yq/pkg/yqlib/front_matter_test.go

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package yqlib
import (
"io/ioutil"
"testing"
"github.com/mikefarah/yq/v4/test"
)
func createTestFile(content string) string {
tempFile, err := createTempFile()
if err != nil {
panic(err)
}
_, err = tempFile.Write([]byte(content))
if err != nil {
panic(err)
}
safelyCloseFile(tempFile)
return tempFile.Name()
}
func readFile(filename string) string {
bytes, err := ioutil.ReadFile(filename)
if err != nil {
panic(err)
}
return string(bytes)
}
func TestFrontMatterSplitWithLeadingSep(t *testing.T) {
file := createTestFile(`---
a: apple
b: banana
---
not a
yaml: doc
`)
expectedYamlFm := `---
a: apple
b: banana
`
expectedContent := `---
not a
yaml: doc
`
fmHandler := NewFrontMatterHandler(file)
err := fmHandler.Split()
if err != nil {
panic(err)
}
yamlFm := readFile(fmHandler.GetYamlFrontMatterFilename())
test.AssertResult(t, expectedYamlFm, yamlFm)
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contentBytes, err := ioutil.ReadAll(fmHandler.GetContentReader())
if err != nil {
panic(err)
}
test.AssertResult(t, expectedContent, string(contentBytes))
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tryRemoveTempFile(file)
fmHandler.CleanUp()
}
func TestFrontMatterSplitWithNoLeadingSep(t *testing.T) {
file := createTestFile(`a: apple
b: banana
---
not a
yaml: doc
`)
expectedYamlFm := `a: apple
b: banana
`
expectedContent := `---
not a
yaml: doc
`
fmHandler := NewFrontMatterHandler(file)
err := fmHandler.Split()
if err != nil {
panic(err)
}
yamlFm := readFile(fmHandler.GetYamlFrontMatterFilename())
test.AssertResult(t, expectedYamlFm, yamlFm)
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contentBytes, err := ioutil.ReadAll(fmHandler.GetContentReader())
if err != nil {
panic(err)
}
test.AssertResult(t, expectedContent, string(contentBytes))
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tryRemoveTempFile(file)
fmHandler.CleanUp()
}
func TestFrontMatterSplitWithArray(t *testing.T) {
file := createTestFile(`[1,2,3]
---
not a
yaml: doc
`)
expectedYamlFm := "[1,2,3]\n"
expectedContent := `---
not a
yaml: doc
`
fmHandler := NewFrontMatterHandler(file)
err := fmHandler.Split()
if err != nil {
panic(err)
}
yamlFm := readFile(fmHandler.GetYamlFrontMatterFilename())
test.AssertResult(t, expectedYamlFm, yamlFm)
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contentBytes, err := ioutil.ReadAll(fmHandler.GetContentReader())
if err != nil {
panic(err)
}
test.AssertResult(t, expectedContent, string(contentBytes))
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tryRemoveTempFile(file)
fmHandler.CleanUp()
}