mirror of
https://github.com/mikefarah/yq.git
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Merge pull request #30 from kenjones-cisco/task/refactor-add-tests
Task: Increase test coverage, includes refactor
This commit is contained in:
Kenny Jones
GitHub
commit
45e9ad870f
305
commands_test.go
Normal file
305
commands_test.go
Normal file
@ -0,0 +1,305 @@
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package main
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/spf13/cobra"
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)
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func getRootCommand() *cobra.Command {
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return newCommandCLI()
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}
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func TestRootCmd(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !strings.Contains(result.Output, "Usage:") {
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t.Error("Expected usage message to be printed out, but the usage message was not found.")
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}
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}
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func TestRootCmd_VerboseLong(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "--verbose")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !verbose {
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t.Error("Expected verbose to be true")
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}
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}
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func TestRootCmd_VerboseShort(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-v")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !verbose {
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t.Error("Expected verbose to be true")
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}
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}
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func TestRootCmd_TrimLong(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "--trim")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !trimOutput {
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t.Error("Expected trimOutput to be true")
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}
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}
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func TestRootCmd_TrimShort(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-t")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !trimOutput {
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t.Error("Expected trimOutput to be true")
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}
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}
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func TestRootCmd_ToJsonLong(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "--tojson")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !outputToJSON {
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t.Error("Expected outputToJSON to be true")
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}
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}
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func TestRootCmd_ToJsonShort(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-j")
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if result.Error != nil {
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t.Error(result.Error)
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}
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if !outputToJSON {
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t.Error("Expected outputToJSON to be true")
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}
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}
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func TestReadCmd(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "read examples/sample.yaml b.c")
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if result.Error != nil {
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t.Error(result.Error)
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}
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assertResult(t, "2\n", result.Output)
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}
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func TestReadCmd_Error(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "read")
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if result.Error == nil {
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t.Error("Expected command to fail due to missing arg")
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}
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expectedOutput := `Must provide filename`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestReadCmd_ErrorEmptyFilename(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "read ")
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if result.Error == nil {
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t.Error("Expected command to fail due to missing arg")
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}
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expectedOutput := `Must provide filename`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestReadCmd_ErrorUnreadableFile(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "read fake-unknown")
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if result.Error == nil {
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t.Error("Expected command to fail due to unknown file")
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}
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expectedOutput := `open fake-unknown: no such file or directory`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestReadCmd_ErrorBadPath(t *testing.T) {
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content := `b:
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d:
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e:
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- 3
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- 4
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f:
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- 1
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- 2
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`
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filename := writeTempYamlFile(content)
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defer removeTempYamlFile(filename)
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cmd := getRootCommand()
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result := runCmd(cmd, fmt.Sprintf("read %s b.d.*.[x]", filename))
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if result.Error == nil {
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t.Fatal("Expected command to fail due to invalid path")
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}
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expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestReadCmd_Verbose(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-v read examples/sample.yaml b.c")
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if result.Error != nil {
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t.Error(result.Error)
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}
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assertResult(t, "2\n", result.Output)
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}
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func TestReadCmd_NoTrim(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "--trim=false read examples/sample.yaml b.c")
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if result.Error != nil {
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t.Error(result.Error)
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}
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assertResult(t, "2\n\n", result.Output)
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}
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func TestReadCmd_ToJson(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-j read examples/sample.yaml b.c")
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if result.Error != nil {
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t.Error(result.Error)
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}
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assertResult(t, "2\n", result.Output)
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}
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func TestNewCmd(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "new b.c 3")
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if result.Error != nil {
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t.Error(result.Error)
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}
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expectedOutput := `b:
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c: 3
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`
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assertResult(t, expectedOutput, result.Output)
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}
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func TestNewCmd_Error(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "new b.c")
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if result.Error == nil {
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t.Error("Expected command to fail due to missing arg")
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}
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expectedOutput := `Must provide <path_to_update> <value>`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestNewCmd_Verbose(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-v new b.c 3")
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if result.Error != nil {
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t.Error(result.Error)
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}
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expectedOutput := `b:
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c: 3
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`
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assertResult(t, expectedOutput, result.Output)
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}
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func TestNewCmd_ToJson(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "-j new b.c 3")
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if result.Error != nil {
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t.Error(result.Error)
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}
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expectedOutput := `{"b":{"c":3}}
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`
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assertResult(t, expectedOutput, result.Output)
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}
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func TestWriteCmd(t *testing.T) {
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content := `b:
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c: 3
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`
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filename := writeTempYamlFile(content)
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defer removeTempYamlFile(filename)
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cmd := getRootCommand()
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result := runCmd(cmd, fmt.Sprintf("write %s b.c 7", filename))
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if result.Error != nil {
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t.Error(result.Error)
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}
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expectedOutput := `b:
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c: 7
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`
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assertResult(t, expectedOutput, result.Output)
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}
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func TestWriteCmd_Error(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "write")
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if result.Error == nil {
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t.Error("Expected command to fail due to missing arg")
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}
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expectedOutput := `Must provide <filename> <path_to_update> <value>`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestWriteCmd_ErrorUnreadableFile(t *testing.T) {
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cmd := getRootCommand()
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result := runCmd(cmd, "write fake-unknown a.b 3")
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if result.Error == nil {
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t.Error("Expected command to fail due to unknown file")
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}
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expectedOutput := `open fake-unknown: no such file or directory`
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assertResult(t, expectedOutput, result.Error.Error())
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}
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func TestWriteCmd_Verbose(t *testing.T) {
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content := `b:
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c: 3
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`
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filename := writeTempYamlFile(content)
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defer removeTempYamlFile(filename)
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cmd := getRootCommand()
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result := runCmd(cmd, fmt.Sprintf("-v write %s b.c 7", filename))
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if result.Error != nil {
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t.Error(result.Error)
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}
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expectedOutput := `b:
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c: 7
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`
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assertResult(t, expectedOutput, result.Output)
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}
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func TestWriteCmd_Inplace(t *testing.T) {
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content := `b:
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c: 3
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`
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filename := writeTempYamlFile(content)
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defer removeTempYamlFile(filename)
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cmd := getRootCommand()
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result := runCmd(cmd, fmt.Sprintf("write -i %s b.c 7", filename))
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if result.Error != nil {
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t.Error(result.Error)
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}
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gotOutput := readTempYamlFile(filename)
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expectedOutput := `b:
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c: 7`
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assertResult(t, expectedOutput, gotOutput)
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}
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@ -1,9 +1,10 @@
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package main
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import (
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"fmt"
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"strconv"
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yaml "gopkg.in/yaml.v2"
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"gopkg.in/yaml.v2"
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)
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func entryInSlice(context yaml.MapSlice, key interface{}) *yaml.MapItem {
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@ -79,10 +80,12 @@ func writeArray(context interface{}, paths []string, value interface{}) []interf
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log.Debugf("\tarray %v\n", array)
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rawIndex := paths[0]
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index, err := strconv.ParseInt(rawIndex, 10, 64)
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if err != nil {
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die("Error accessing array: %v", err)
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}
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index, _ := strconv.ParseInt(rawIndex, 10, 64)
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// writeArray is only called by updatedChildValue which handles parsing the
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// index, as such this renders this dead code.
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// if err != nil {
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// return array, fmt.Errorf("Error accessing array: %v", err)
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// }
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for index >= int64(len(array)) {
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array = append(array, nil)
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}
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@ -96,7 +99,7 @@ func writeArray(context interface{}, paths []string, value interface{}) []interf
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return array
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}
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func readMap(context yaml.MapSlice, head string, tail []string) interface{} {
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func readMap(context yaml.MapSlice, head string, tail []string) (interface{}, error) {
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if head == "*" {
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return readMapSplat(context, tail)
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}
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@ -109,21 +112,25 @@ func readMap(context yaml.MapSlice, head string, tail []string) interface{} {
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return calculateValue(value, tail)
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}
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func readMapSplat(context yaml.MapSlice, tail []string) interface{} {
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func readMapSplat(context yaml.MapSlice, tail []string) (interface{}, error) {
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var newArray = make([]interface{}, len(context))
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var i = 0
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for _, entry := range context {
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if len(tail) > 0 {
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newArray[i] = recurse(entry.Value, tail[0], tail[1:])
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val, err := recurse(entry.Value, tail[0], tail[1:])
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if err != nil {
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return nil, err
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}
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newArray[i] = val
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} else {
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newArray[i] = entry.Value
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}
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i++
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}
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return newArray
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return newArray, nil
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}
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|
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func recurse(value interface{}, head string, tail []string) interface{} {
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func recurse(value interface{}, head string, tail []string) (interface{}, error) {
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switch value.(type) {
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case []interface{}:
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if head == "*" {
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@ -131,37 +138,40 @@ func recurse(value interface{}, head string, tail []string) interface{} {
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}
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index, err := strconv.ParseInt(head, 10, 64)
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if err != nil {
|
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die("Error accessing array: %v", err)
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return nil, fmt.Errorf("Error accessing array: %v", err)
|
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}
|
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return readArray(value.([]interface{}), index, tail)
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case yaml.MapSlice:
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return readMap(value.(yaml.MapSlice), head, tail)
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default:
|
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return nil
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return nil, nil
|
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}
|
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}
|
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|
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func readArray(array []interface{}, head int64, tail []string) interface{} {
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func readArray(array []interface{}, head int64, tail []string) (interface{}, error) {
|
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if head >= int64(len(array)) {
|
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return nil
|
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return nil, nil
|
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}
|
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|
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value := array[head]
|
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|
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return calculateValue(value, tail)
|
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}
|
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|
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func readArraySplat(array []interface{}, tail []string) interface{} {
|
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func readArraySplat(array []interface{}, tail []string) (interface{}, error) {
|
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var newArray = make([]interface{}, len(array))
|
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for index, value := range array {
|
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newArray[index] = calculateValue(value, tail)
|
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val, err := calculateValue(value, tail)
|
||||
if err != nil {
|
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return nil, err
|
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}
|
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return newArray
|
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newArray[index] = val
|
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}
|
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return newArray, nil
|
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}
|
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|
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func calculateValue(value interface{}, tail []string) interface{} {
|
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func calculateValue(value interface{}, tail []string) (interface{}, error) {
|
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if len(tail) > 0 {
|
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return recurse(value, tail[0], tail[1:])
|
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}
|
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return value
|
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return value, nil
|
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}
|
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|
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@ -2,27 +2,20 @@ package main
|
||||
|
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import (
|
||||
"fmt"
|
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"os"
|
||||
"sort"
|
||||
"testing"
|
||||
|
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logging "github.com/op/go-logging"
|
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yaml "gopkg.in/yaml.v2"
|
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)
|
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|
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func TestMain(m *testing.M) {
|
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backend.SetLevel(logging.ERROR, "")
|
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logging.SetBackend(backend)
|
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os.Exit(m.Run())
|
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}
|
||||
|
||||
func TestReadMap_simple(t *testing.T) {
|
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var data = parseData(`
|
||||
---
|
||||
b:
|
||||
c: 2
|
||||
`)
|
||||
assertResult(t, 2, readMap(data, "b", []string{"c"}))
|
||||
got, _ := readMap(data, "b", []string{"c"})
|
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assertResult(t, 2, got)
|
||||
}
|
||||
|
||||
func TestReadMap_splat(t *testing.T) {
|
||||
@ -32,7 +25,8 @@ mapSplat:
|
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item1: things
|
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item2: whatever
|
||||
`)
|
||||
var result = readMap(data, "mapSplat", []string{"*"}).([]interface{})
|
||||
res, _ := readMap(data, "mapSplat", []string{"*"})
|
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result := res.([]interface{})
|
||||
var actual = []string{result[0].(string), result[1].(string)}
|
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sort.Strings(actual)
|
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assertResult(t, "[things whatever]", fmt.Sprintf("%v", actual))
|
||||
@ -48,7 +42,8 @@ mapSplatDeep:
|
||||
cats: apples
|
||||
`)
|
||||
|
||||
var result = readMap(data, "mapSplatDeep", []string{"*", "cats"}).([]interface{})
|
||||
res, _ := readMap(data, "mapSplatDeep", []string{"*", "cats"})
|
||||
result := res.([]interface{})
|
||||
var actual = []string{result[0].(string), result[1].(string)}
|
||||
sort.Strings(actual)
|
||||
assertResult(t, "[apples bananas]", fmt.Sprintf("%v", actual))
|
||||
@ -60,7 +55,8 @@ func TestReadMap_key_doesnt_exist(t *testing.T) {
|
||||
b:
|
||||
c: 2
|
||||
`)
|
||||
assertResult(t, nil, readMap(data, "b.x.f", []string{"c"}))
|
||||
got, _ := readMap(data, "b.x.f", []string{"c"})
|
||||
assertResult(t, nil, got)
|
||||
}
|
||||
|
||||
func TestReadMap_recurse_against_string(t *testing.T) {
|
||||
@ -68,7 +64,8 @@ func TestReadMap_recurse_against_string(t *testing.T) {
|
||||
---
|
||||
a: cat
|
||||
`)
|
||||
assertResult(t, nil, readMap(data, "a", []string{"b"}))
|
||||
got, _ := readMap(data, "a", []string{"b"})
|
||||
assertResult(t, nil, got)
|
||||
}
|
||||
|
||||
func TestReadMap_with_array(t *testing.T) {
|
||||
@ -79,7 +76,64 @@ b:
|
||||
- 3
|
||||
- 4
|
||||
`)
|
||||
assertResult(t, 4, readMap(data, "b", []string{"d", "1"}))
|
||||
got, _ := readMap(data, "b", []string{"d", "1"})
|
||||
assertResult(t, 4, got)
|
||||
}
|
||||
|
||||
func TestReadMap_with_array_and_bad_index(t *testing.T) {
|
||||
var data = parseData(`
|
||||
---
|
||||
b:
|
||||
d:
|
||||
- 3
|
||||
- 4
|
||||
`)
|
||||
_, err := readMap(data, "b", []string{"d", "x"})
|
||||
if err == nil {
|
||||
t.Fatal("Expected error due to invalid path")
|
||||
}
|
||||
expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
|
||||
assertResult(t, expectedOutput, err.Error())
|
||||
}
|
||||
|
||||
func TestReadMap_with_mapsplat_array_and_bad_index(t *testing.T) {
|
||||
var data = parseData(`
|
||||
---
|
||||
b:
|
||||
d:
|
||||
e:
|
||||
- 3
|
||||
- 4
|
||||
f:
|
||||
- 1
|
||||
- 2
|
||||
`)
|
||||
_, err := readMap(data, "b", []string{"d", "*", "x"})
|
||||
if err == nil {
|
||||
t.Fatal("Expected error due to invalid path")
|
||||
}
|
||||
expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
|
||||
assertResult(t, expectedOutput, err.Error())
|
||||
}
|
||||
|
||||
func TestReadMap_with_arraysplat_map_array_and_bad_index(t *testing.T) {
|
||||
var data = parseData(`
|
||||
---
|
||||
b:
|
||||
d:
|
||||
- names:
|
||||
- fred
|
||||
- smith
|
||||
- names:
|
||||
- sam
|
||||
- bo
|
||||
`)
|
||||
_, err := readMap(data, "b", []string{"d", "*", "names", "x"})
|
||||
if err == nil {
|
||||
t.Fatal("Expected error due to invalid path")
|
||||
}
|
||||
expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
|
||||
assertResult(t, expectedOutput, err.Error())
|
||||
}
|
||||
|
||||
func TestReadMap_with_array_out_of_bounds(t *testing.T) {
|
||||
@ -90,7 +144,8 @@ b:
|
||||
- 3
|
||||
- 4
|
||||
`)
|
||||
assertResult(t, nil, readMap(data, "b", []string{"d", "3"}))
|
||||
got, _ := readMap(data, "b", []string{"d", "3"})
|
||||
assertResult(t, nil, got)
|
||||
}
|
||||
|
||||
func TestReadMap_with_array_out_of_bounds_by_1(t *testing.T) {
|
||||
@ -101,7 +156,8 @@ b:
|
||||
- 3
|
||||
- 4
|
||||
`)
|
||||
assertResult(t, nil, readMap(data, "b", []string{"d", "2"}))
|
||||
got, _ := readMap(data, "b", []string{"d", "2"})
|
||||
assertResult(t, nil, got)
|
||||
}
|
||||
|
||||
func TestReadMap_with_array_splat(t *testing.T) {
|
||||
@ -114,7 +170,8 @@ e:
|
||||
name: Sam
|
||||
thing: dog
|
||||
`)
|
||||
assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", readMap(data, "e", []string{"*", "name"})))
|
||||
got, _ := readMap(data, "e", []string{"*", "name"})
|
||||
assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", got))
|
||||
}
|
||||
|
||||
func TestWrite_really_simple(t *testing.T) {
|
||||
@ -158,7 +215,8 @@ b:
|
||||
`)
|
||||
|
||||
updated := writeMap(data, []string{"b", "d", "f"}, "4")
|
||||
assertResult(t, "4", readMap(updated, "b", []string{"d", "f"}))
|
||||
got, _ := readMap(updated, "b", []string{"d", "f"})
|
||||
assertResult(t, "4", got)
|
||||
}
|
||||
|
||||
func TestWrite_array(t *testing.T) {
|
||||
@ -180,7 +238,8 @@ b:
|
||||
`)
|
||||
|
||||
updated := writeMap(data, []string{"b", "0"}, "4")
|
||||
assertResult(t, "4", readMap(updated, "b", []string{"0"}))
|
||||
got, _ := readMap(updated, "b", []string{"0"})
|
||||
assertResult(t, "4", got)
|
||||
}
|
||||
|
||||
func TestWrite_new_array_deep(t *testing.T) {
|
||||
@ -193,7 +252,8 @@ b:
|
||||
- c: "4"`
|
||||
|
||||
updated := writeMap(data, []string{"b", "0", "c"}, "4")
|
||||
assertResult(t, expected, yamlToString(updated))
|
||||
got, _ := yamlToString(updated)
|
||||
assertResult(t, expected, got)
|
||||
}
|
||||
|
||||
func TestWrite_new_map_array_deep(t *testing.T) {
|
||||
@ -203,7 +263,8 @@ b:
|
||||
`)
|
||||
|
||||
updated := writeMap(data, []string{"b", "d", "0"}, "4")
|
||||
assertResult(t, "4", readMap(updated, "b", []string{"d", "0"}))
|
||||
got, _ := readMap(updated, "b", []string{"d", "0"})
|
||||
assertResult(t, "4", got)
|
||||
}
|
||||
|
||||
func TestWrite_add_to_array(t *testing.T) {
|
||||
@ -217,8 +278,8 @@ b:
|
||||
- bb`
|
||||
|
||||
updated := writeMap(data, []string{"b", "1"}, "bb")
|
||||
|
||||
assertResult(t, expected, yamlToString(updated))
|
||||
got, _ := yamlToString(updated)
|
||||
assertResult(t, expected, got)
|
||||
}
|
||||
|
||||
func TestWrite_with_no_tail(t *testing.T) {
|
||||
|
||||
@ -2,17 +2,18 @@ package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"strconv"
|
||||
|
||||
yaml "gopkg.in/yaml.v2"
|
||||
)
|
||||
|
||||
func jsonToString(context interface{}) string {
|
||||
func jsonToString(context interface{}) (string, error) {
|
||||
out, err := json.Marshal(toJSON(context))
|
||||
if err != nil {
|
||||
die("error printing yaml as json: ", err)
|
||||
return "", fmt.Errorf("error printing yaml as json: %v", err)
|
||||
}
|
||||
return string(out)
|
||||
return string(out), nil
|
||||
}
|
||||
|
||||
func toJSON(context interface{}) interface{} {
|
||||
|
||||
@ -10,7 +10,8 @@ func TestJsonToString(t *testing.T) {
|
||||
b:
|
||||
c: 2
|
||||
`)
|
||||
assertResult(t, "{\"b\":{\"c\":2}}", jsonToString(data))
|
||||
got, _ := jsonToString(data)
|
||||
assertResult(t, "{\"b\":{\"c\":2}}", got)
|
||||
}
|
||||
|
||||
func TestJsonToString_withIntKey(t *testing.T) {
|
||||
@ -19,7 +20,8 @@ func TestJsonToString_withIntKey(t *testing.T) {
|
||||
b:
|
||||
2: c
|
||||
`)
|
||||
assertResult(t, `{"b":{"2":"c"}}`, jsonToString(data))
|
||||
got, _ := jsonToString(data)
|
||||
assertResult(t, `{"b":{"2":"c"}}`, got)
|
||||
}
|
||||
|
||||
func TestJsonToString_withBoolKey(t *testing.T) {
|
||||
@ -28,7 +30,8 @@ func TestJsonToString_withBoolKey(t *testing.T) {
|
||||
b:
|
||||
false: c
|
||||
`)
|
||||
assertResult(t, `{"b":{"false":"c"}}`, jsonToString(data))
|
||||
got, _ := jsonToString(data)
|
||||
assertResult(t, `{"b":{"false":"c"}}`, got)
|
||||
}
|
||||
|
||||
func TestJsonToString_withArray(t *testing.T) {
|
||||
@ -38,5 +41,6 @@ b:
|
||||
- item: one
|
||||
- item: two
|
||||
`)
|
||||
assertResult(t, "{\"b\":[{\"item\":\"one\"},{\"item\":\"two\"}]}", jsonToString(data))
|
||||
got, _ := jsonToString(data)
|
||||
assertResult(t, "{\"b\":[{\"item\":\"one\"},{\"item\":\"two\"}]}", got)
|
||||
}
|
||||
|
||||
@ -1,14 +1,35 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"reflect"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
yaml "gopkg.in/yaml.v2"
|
||||
)
|
||||
|
||||
type resulter struct {
|
||||
Error error
|
||||
Output string
|
||||
Command *cobra.Command
|
||||
}
|
||||
|
||||
func runCmd(c *cobra.Command, input string) resulter {
|
||||
buf := new(bytes.Buffer)
|
||||
c.SetOutput(buf)
|
||||
c.SetArgs(strings.Split(input, " "))
|
||||
|
||||
err := c.Execute()
|
||||
output := buf.String()
|
||||
|
||||
return resulter{err, output, c}
|
||||
}
|
||||
|
||||
func parseData(rawData string) yaml.MapSlice {
|
||||
var parsedData yaml.MapSlice
|
||||
err := yaml.Unmarshal([]byte(rawData), &parsedData)
|
||||
@ -38,3 +59,22 @@ func assertResultWithContext(t *testing.T, expectedValue interface{}, actualValu
|
||||
t.Error(": expected <", expectedValue, "> but got <", actualValue, ">")
|
||||
}
|
||||
}
|
||||
|
||||
func writeTempYamlFile(content string) string {
|
||||
tmpfile, _ := ioutil.TempFile("", "testyaml")
|
||||
defer func() {
|
||||
_ = tmpfile.Close()
|
||||
}()
|
||||
|
||||
_, _ = tmpfile.Write([]byte(content))
|
||||
return tmpfile.Name()
|
||||
}
|
||||
|
||||
func readTempYamlFile(name string) string {
|
||||
content, _ := ioutil.ReadFile(name)
|
||||
return string(content)
|
||||
}
|
||||
|
||||
func removeTempYamlFile(name string) {
|
||||
_ = os.Remove(name)
|
||||
}
|
||||
|
||||
210
yaml.go
210
yaml.go
@ -1,6 +1,7 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
@ -15,30 +16,45 @@ import (
|
||||
var trimOutput = true
|
||||
var writeInplace = false
|
||||
var writeScript = ""
|
||||
var inputJSON = false
|
||||
var outputToJSON = false
|
||||
var verbose = false
|
||||
var log = logging.MustGetLogger("yaml")
|
||||
var format = logging.MustStringFormatter(
|
||||
`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
|
||||
)
|
||||
var backend = logging.AddModuleLevel(
|
||||
logging.NewBackendFormatter(logging.NewLogBackend(os.Stderr, "", 0), format))
|
||||
|
||||
func main() {
|
||||
cmd := newCommandCLI()
|
||||
if err := cmd.Execute(); err != nil {
|
||||
fmt.Println(err.Error())
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func newCommandCLI() *cobra.Command {
|
||||
var rootCmd = &cobra.Command{
|
||||
Use: "yaml",
|
||||
PersistentPreRun: func(cmd *cobra.Command, args []string) {
|
||||
var format = logging.MustStringFormatter(
|
||||
`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
|
||||
)
|
||||
var backend = logging.AddModuleLevel(
|
||||
logging.NewBackendFormatter(logging.NewLogBackend(os.Stderr, "", 0), format))
|
||||
|
||||
if verbose {
|
||||
backend.SetLevel(logging.DEBUG, "")
|
||||
} else {
|
||||
backend.SetLevel(logging.ERROR, "")
|
||||
}
|
||||
|
||||
logging.SetBackend(backend)
|
||||
},
|
||||
}
|
||||
|
||||
var cmdRead = createReadCmd()
|
||||
var cmdWrite = createWriteCmd()
|
||||
var cmdNew = createNewCmd()
|
||||
|
||||
var rootCmd = &cobra.Command{Use: "yaml"}
|
||||
rootCmd.PersistentFlags().BoolVarP(&trimOutput, "trim", "t", true, "trim yaml output")
|
||||
rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "output as json")
|
||||
rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose mode")
|
||||
rootCmd.AddCommand(cmdRead, cmdWrite, cmdNew)
|
||||
_ = rootCmd.Execute()
|
||||
|
||||
rootCmd.AddCommand(createReadCmd(), createWriteCmd(), createNewCmd())
|
||||
|
||||
return rootCmd
|
||||
}
|
||||
|
||||
func createReadCmd() *cobra.Command {
|
||||
@ -54,7 +70,7 @@ yaml r things.yaml a.array[0].blah
|
||||
yaml r things.yaml a.array[*].blah
|
||||
`,
|
||||
Long: "Outputs the value of the given path in the yaml file to STDOUT",
|
||||
Run: readProperty,
|
||||
RunE: readProperty,
|
||||
}
|
||||
}
|
||||
|
||||
@ -81,7 +97,7 @@ a.b.c: true,
|
||||
a.b.e:
|
||||
- name: bob
|
||||
`,
|
||||
Run: writeProperty,
|
||||
RunE: writeProperty,
|
||||
}
|
||||
cmdWrite.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
|
||||
cmdWrite.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for updating yaml")
|
||||
@ -104,37 +120,47 @@ Outputs to STDOUT
|
||||
Create Scripts:
|
||||
Note that you can give a create script to perform more sophisticated yaml. This follows the same format as the update script.
|
||||
`,
|
||||
Run: newProperty,
|
||||
RunE: newProperty,
|
||||
}
|
||||
cmdNew.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for updating yaml")
|
||||
return cmdNew
|
||||
}
|
||||
|
||||
func readProperty(cmd *cobra.Command, args []string) {
|
||||
if verbose {
|
||||
backend.SetLevel(logging.DEBUG, "")
|
||||
func readProperty(cmd *cobra.Command, args []string) error {
|
||||
data, err := read(args)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
print(read(args))
|
||||
dataStr, err := toString(data)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
cmd.Println(dataStr)
|
||||
return nil
|
||||
}
|
||||
|
||||
func read(args []string) interface{} {
|
||||
|
||||
func read(args []string) (interface{}, error) {
|
||||
var parsedData yaml.MapSlice
|
||||
var path = ""
|
||||
if len(args) > 1 {
|
||||
|
||||
if len(args) < 1 {
|
||||
return nil, errors.New("Must provide filename")
|
||||
} else if len(args) > 1 {
|
||||
path = args[1]
|
||||
}
|
||||
err := readData(args[0], &parsedData, inputJSON)
|
||||
if err != nil {
|
||||
|
||||
if err := readData(args[0], &parsedData); err != nil {
|
||||
var generalData interface{}
|
||||
readDataOrDie(args[0], &generalData, inputJSON)
|
||||
if err = readData(args[0], &generalData); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
item := yaml.MapItem{Key: "thing", Value: generalData}
|
||||
parsedData = yaml.MapSlice{item}
|
||||
path = "thing." + path
|
||||
}
|
||||
|
||||
if path == "" {
|
||||
return parsedData
|
||||
return parsedData, nil
|
||||
}
|
||||
|
||||
var paths = parsePath(path)
|
||||
@ -142,20 +168,27 @@ func read(args []string) interface{} {
|
||||
return readMap(parsedData, paths[0], paths[1:])
|
||||
}
|
||||
|
||||
func newProperty(cmd *cobra.Command, args []string) {
|
||||
if verbose {
|
||||
backend.SetLevel(logging.DEBUG, "")
|
||||
func newProperty(cmd *cobra.Command, args []string) error {
|
||||
updatedData, err := newYaml(args)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
updatedData := newYaml(args)
|
||||
print(updatedData)
|
||||
dataStr, err := toString(updatedData)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
cmd.Println(dataStr)
|
||||
return nil
|
||||
}
|
||||
|
||||
func newYaml(args []string) interface{} {
|
||||
func newYaml(args []string) (interface{}, error) {
|
||||
var writeCommands yaml.MapSlice
|
||||
if writeScript != "" {
|
||||
readDataOrDie(writeScript, &writeCommands, false)
|
||||
if err := readData(writeScript, &writeCommands); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else if len(args) < 2 {
|
||||
die("Must provide <path_to_update> <value>")
|
||||
return nil, errors.New("Must provide <path_to_update> <value>")
|
||||
} else {
|
||||
writeCommands = make(yaml.MapSlice, 1)
|
||||
writeCommands[0] = yaml.MapItem{Key: args[0], Value: parseValue(args[1])}
|
||||
@ -175,19 +208,31 @@ func newYaml(args []string) interface{} {
|
||||
return updateParsedData(parsedData, writeCommands, prependCommand)
|
||||
}
|
||||
|
||||
func writeProperty(cmd *cobra.Command, args []string) {
|
||||
if verbose {
|
||||
backend.SetLevel(logging.DEBUG, "")
|
||||
}
|
||||
updatedData := updateYaml(args)
|
||||
if writeInplace {
|
||||
_ = ioutil.WriteFile(args[0], []byte(yamlToString(updatedData)), 0644)
|
||||
} else {
|
||||
print(updatedData)
|
||||
func writeProperty(cmd *cobra.Command, args []string) error {
|
||||
updatedData, err := updateYaml(args)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return write(cmd, args[0], updatedData)
|
||||
}
|
||||
|
||||
func updateParsedData(parsedData yaml.MapSlice, writeCommands yaml.MapSlice, prependCommand string) interface{} {
|
||||
func write(cmd *cobra.Command, filename string, updatedData interface{}) error {
|
||||
if writeInplace {
|
||||
dataStr, err := yamlToString(updatedData)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return ioutil.WriteFile(filename, []byte(dataStr), 0644)
|
||||
}
|
||||
dataStr, err := toString(updatedData)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
cmd.Println(dataStr)
|
||||
return nil
|
||||
}
|
||||
|
||||
func updateParsedData(parsedData yaml.MapSlice, writeCommands yaml.MapSlice, prependCommand string) (interface{}, error) {
|
||||
var prefix = ""
|
||||
if prependCommand != "" {
|
||||
prefix = prependCommand + "."
|
||||
@ -201,26 +246,29 @@ func updateParsedData(parsedData yaml.MapSlice, writeCommands yaml.MapSlice, pre
|
||||
if prependCommand != "" {
|
||||
return readMap(parsedData, prependCommand, make([]string, 0))
|
||||
}
|
||||
return parsedData
|
||||
return parsedData, nil
|
||||
}
|
||||
|
||||
func updateYaml(args []string) interface{} {
|
||||
func updateYaml(args []string) (interface{}, error) {
|
||||
var writeCommands yaml.MapSlice
|
||||
var prependCommand = ""
|
||||
if writeScript != "" {
|
||||
readDataOrDie(writeScript, &writeCommands, false)
|
||||
if err := readData(writeScript, &writeCommands); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else if len(args) < 3 {
|
||||
die("Must provide <filename> <path_to_update> <value>")
|
||||
return nil, errors.New("Must provide <filename> <path_to_update> <value>")
|
||||
} else {
|
||||
writeCommands = make(yaml.MapSlice, 1)
|
||||
writeCommands[0] = yaml.MapItem{Key: args[1], Value: parseValue(args[2])}
|
||||
}
|
||||
|
||||
var parsedData yaml.MapSlice
|
||||
err := readData(args[0], &parsedData, inputJSON)
|
||||
if err != nil {
|
||||
if err := readData(args[0], &parsedData); err != nil {
|
||||
var generalData interface{}
|
||||
readDataOrDie(args[0], &generalData, inputJSON)
|
||||
if err = readData(args[0], &generalData); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
item := yaml.MapItem{Key: "thing", Value: generalData}
|
||||
parsedData = yaml.MapSlice{item}
|
||||
prependCommand = "thing"
|
||||
@ -246,69 +294,43 @@ func parseValue(argument string) interface{} {
|
||||
return argument[1 : len(argument)-1]
|
||||
}
|
||||
|
||||
func print(context interface{}) {
|
||||
var out string
|
||||
func toString(context interface{}) (string, error) {
|
||||
if outputToJSON {
|
||||
out = jsonToString(context)
|
||||
} else {
|
||||
out = yamlToString(context)
|
||||
return jsonToString(context)
|
||||
}
|
||||
fmt.Println(out)
|
||||
return yamlToString(context)
|
||||
}
|
||||
|
||||
func yamlToString(context interface{}) string {
|
||||
func yamlToString(context interface{}) (string, error) {
|
||||
out, err := yaml.Marshal(context)
|
||||
if err != nil {
|
||||
die("error printing yaml: %v", err)
|
||||
return "", fmt.Errorf("error printing yaml: %v", err)
|
||||
}
|
||||
outStr := string(out)
|
||||
// trim the trailing new line as it's easier for a script to add
|
||||
// it in if required than to remove it
|
||||
if trimOutput {
|
||||
return strings.Trim(outStr, "\n ")
|
||||
return strings.Trim(outStr, "\n "), nil
|
||||
}
|
||||
return outStr
|
||||
return outStr, nil
|
||||
}
|
||||
|
||||
func readDataOrDie(filename string, parsedData interface{}, readAsJSON bool) {
|
||||
err := readData(filename, parsedData, readAsJSON)
|
||||
if err != nil {
|
||||
die("error parsing data: ", err)
|
||||
}
|
||||
}
|
||||
|
||||
func readData(filename string, parsedData interface{}, readAsJSON bool) error {
|
||||
func readData(filename string, parsedData interface{}) error {
|
||||
if filename == "" {
|
||||
die("Must provide filename")
|
||||
return errors.New("Must provide filename")
|
||||
}
|
||||
|
||||
var rawData []byte
|
||||
var err error
|
||||
if filename == "-" {
|
||||
rawData = readStdin()
|
||||
rawData, err = ioutil.ReadAll(os.Stdin)
|
||||
} else {
|
||||
rawData = readFile(filename)
|
||||
rawData, err = ioutil.ReadFile(filename)
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return yaml.Unmarshal(rawData, parsedData)
|
||||
}
|
||||
|
||||
func readStdin() []byte {
|
||||
bytes, err := ioutil.ReadAll(os.Stdin)
|
||||
if err != nil {
|
||||
die("error reading stdin", err)
|
||||
}
|
||||
return bytes
|
||||
}
|
||||
|
||||
func readFile(filename string) []byte {
|
||||
var rawData, readError = ioutil.ReadFile(filename)
|
||||
if readError != nil {
|
||||
die("error: %v", readError)
|
||||
}
|
||||
return rawData
|
||||
}
|
||||
|
||||
func die(message ...interface{}) {
|
||||
fmt.Println(message)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
44
yaml_test.go
44
yaml_test.go
@ -24,23 +24,23 @@ func TestParseValue(t *testing.T) {
|
||||
}
|
||||
|
||||
func TestRead(t *testing.T) {
|
||||
result := read([]string{"examples/sample.yaml", "b.c"})
|
||||
result, _ := read([]string{"examples/sample.yaml", "b.c"})
|
||||
assertResult(t, 2, result)
|
||||
}
|
||||
|
||||
func TestReadArray(t *testing.T) {
|
||||
result := read([]string{"examples/sample_array.yaml", "[1]"})
|
||||
result, _ := read([]string{"examples/sample_array.yaml", "[1]"})
|
||||
assertResult(t, 2, result)
|
||||
}
|
||||
|
||||
func TestReadString(t *testing.T) {
|
||||
result := read([]string{"examples/sample_text.yaml"})
|
||||
result, _ := read([]string{"examples/sample_text.yaml"})
|
||||
assertResult(t, "hi", result)
|
||||
}
|
||||
|
||||
func TestOrder(t *testing.T) {
|
||||
result := read([]string{"examples/order.yaml"})
|
||||
formattedResult := yamlToString(result)
|
||||
result, _ := read([]string{"examples/order.yaml"})
|
||||
formattedResult, _ := yamlToString(result)
|
||||
assertResult(t,
|
||||
`version: 3
|
||||
application: MyApp`,
|
||||
@ -48,7 +48,7 @@ application: MyApp`,
|
||||
}
|
||||
|
||||
func TestNewYaml(t *testing.T) {
|
||||
result := newYaml([]string{"b.c", "3"})
|
||||
result, _ := newYaml([]string{"b.c", "3"})
|
||||
formattedResult := fmt.Sprintf("%v", result)
|
||||
assertResult(t,
|
||||
"[{b [{c 3}]}]",
|
||||
@ -56,7 +56,7 @@ func TestNewYaml(t *testing.T) {
|
||||
}
|
||||
|
||||
func TestNewYamlArray(t *testing.T) {
|
||||
result := newYaml([]string{"[0].cat", "meow"})
|
||||
result, _ := newYaml([]string{"[0].cat", "meow"})
|
||||
formattedResult := fmt.Sprintf("%v", result)
|
||||
assertResult(t,
|
||||
"[[{cat meow}]]",
|
||||
@ -64,7 +64,7 @@ func TestNewYamlArray(t *testing.T) {
|
||||
}
|
||||
|
||||
func TestUpdateYaml(t *testing.T) {
|
||||
result := updateYaml([]string{"examples/sample.yaml", "b.c", "3"})
|
||||
result, _ := updateYaml([]string{"examples/sample.yaml", "b.c", "3"})
|
||||
formattedResult := fmt.Sprintf("%v", result)
|
||||
assertResult(t,
|
||||
"[{a Easy! as one two three} {b [{c 3} {d [3 4]} {e [[{name fred} {value 3}] [{name sam} {value 4}]]}]}]",
|
||||
@ -72,7 +72,7 @@ func TestUpdateYaml(t *testing.T) {
|
||||
}
|
||||
|
||||
func TestUpdateYamlArray(t *testing.T) {
|
||||
result := updateYaml([]string{"examples/sample_array.yaml", "[0]", "3"})
|
||||
result, _ := updateYaml([]string{"examples/sample_array.yaml", "[0]", "3"})
|
||||
formattedResult := fmt.Sprintf("%v", result)
|
||||
assertResult(t,
|
||||
"[3 2 3]",
|
||||
@ -81,7 +81,17 @@ func TestUpdateYamlArray(t *testing.T) {
|
||||
|
||||
func TestUpdateYaml_WithScript(t *testing.T) {
|
||||
writeScript = "examples/instruction_sample.yaml"
|
||||
updateYaml([]string{"examples/sample.yaml"})
|
||||
_, _ = updateYaml([]string{"examples/sample.yaml"})
|
||||
}
|
||||
|
||||
func TestUpdateYaml_WithUnknownScript(t *testing.T) {
|
||||
writeScript = "fake-unknown"
|
||||
_, err := updateYaml([]string{"examples/sample.yaml"})
|
||||
if err == nil {
|
||||
t.Error("Expected error due to unknown file")
|
||||
}
|
||||
expectedOutput := `open fake-unknown: no such file or directory`
|
||||
assertResult(t, expectedOutput, err.Error())
|
||||
}
|
||||
|
||||
func TestNewYaml_WithScript(t *testing.T) {
|
||||
@ -90,7 +100,17 @@ func TestNewYaml_WithScript(t *testing.T) {
|
||||
c: cat
|
||||
e:
|
||||
- name: Mike Farah`
|
||||
result := newYaml([]string{""})
|
||||
actualResult := yamlToString(result)
|
||||
result, _ := newYaml([]string{""})
|
||||
actualResult, _ := yamlToString(result)
|
||||
assertResult(t, expectedResult, actualResult)
|
||||
}
|
||||
|
||||
func TestNewYaml_WithUnknownScript(t *testing.T) {
|
||||
writeScript = "fake-unknown"
|
||||
_, err := newYaml([]string{""})
|
||||
if err == nil {
|
||||
t.Error("Expected error due to unknown file")
|
||||
}
|
||||
expectedOutput := `open fake-unknown: no such file or directory`
|
||||
assertResult(t, expectedOutput, err.Error())
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user