yq/pkg/yqlib/hcl_test.go
2025-12-16 14:22:50 +11:00

556 lines
16 KiB
Go

//go:build !yq_nohcl
package yqlib
import (
"bufio"
"fmt"
"testing"
"github.com/mikefarah/yq/v4/test"
)
var nestedExample = `service "http" "web_proxy" {
listen_addr = "127.0.0.1:8080"
}`
var nestedExampleYaml = "service:\n http:\n web_proxy:\n listen_addr: \"127.0.0.1:8080\"\n"
var multipleBlockLabelKeys = `service "cat" {
process "main" {
command = ["/usr/local/bin/awesome-app", "server"]
}
process "management" {
command = ["/usr/local/bin/awesome-app", "management"]
}
}
`
var multipleBlockLabelKeysExpected = `service "cat" {
process "main" {
command = ["/usr/local/bin/awesome-app", "server"]
}
process "management" {
command = ["/usr/local/bin/awesome-app", "management"]
}
}
`
var multipleBlockLabelKeysExpectedUpdate = `service "cat" {
process "main" {
command = ["/usr/local/bin/awesome-app", "server", "meow"]
}
process "management" {
command = ["/usr/local/bin/awesome-app", "management"]
}
}
`
var multipleBlockLabelKeysExpectedYaml = `service:
cat:
process:
main:
command:
- "/usr/local/bin/awesome-app"
- "server"
management:
command:
- "/usr/local/bin/awesome-app"
- "management"
`
var simpleSample = `# Arithmetic with literals and application-provided variables
sum = 1 + addend
# String interpolation and templates
message = "Hello, ${name}!"
# Application-provided functions
shouty_message = upper(message)`
var simpleSampleExpected = `# Arithmetic with literals and application-provided variables
sum = 1 + addend
# String interpolation and templates
message = "Hello, ${name}!"
# Application-provided functions
shouty_message = upper(message)
`
var simpleSampleExpectedYaml = `# Arithmetic with literals and application-provided variables
sum: 1 + addend
# String interpolation and templates
message: "Hello, ${name}!"
# Application-provided functions
shouty_message: upper(message)
`
var hclFormatScenarios = []formatScenario{
{
description: "Parse HCL",
input: `io_mode = "async"`,
expected: "io_mode: \"async\"\n",
scenarioType: "decode",
},
{
description: "Simple decode, no quotes",
skipDoc: true,
input: `io_mode = async`,
expected: "io_mode: async\n",
scenarioType: "decode",
},
{
description: "Simple roundtrip, no quotes",
skipDoc: true,
input: `io_mode = async`,
expected: "io_mode = async\n",
scenarioType: "roundtrip",
},
{
description: "Nested decode",
skipDoc: true,
input: nestedExample,
expected: nestedExampleYaml,
scenarioType: "decode",
},
{
description: "Template decode",
skipDoc: true,
input: `message = "Hello, ${name}!"`,
expected: "message: \"Hello, ${name}!\"\n",
scenarioType: "decode",
},
{
description: "Roundtrip: with template",
skipDoc: true,
input: `message = "Hello, ${name}!"`,
expected: "message = \"Hello, ${name}!\"\n",
scenarioType: "roundtrip",
},
{
description: "Roundtrip: with function",
skipDoc: true,
input: `shouty_message = upper(message)`,
expected: "shouty_message = upper(message)\n",
scenarioType: "roundtrip",
},
{
description: "Roundtrip: with arithmetic",
skipDoc: true,
input: `sum = 1 + addend`,
expected: "sum = 1 + addend\n",
scenarioType: "roundtrip",
},
{
description: "Arithmetic decode",
skipDoc: true,
input: `sum = 1 + addend`,
expected: "sum: 1 + addend\n",
scenarioType: "decode",
},
{
description: "number attribute",
skipDoc: true,
input: `port = 8080`,
expected: "port: 8080\n",
scenarioType: "decode",
},
{
description: "float attribute",
skipDoc: true,
input: `pi = 3.14`,
expected: "pi: 3.14\n",
scenarioType: "decode",
},
{
description: "boolean attribute",
skipDoc: true,
input: `enabled = true`,
expected: "enabled: true\n",
scenarioType: "decode",
},
{
description: "object/map attribute",
skipDoc: true,
input: `obj = { a = 1, b = "two" }`,
expected: "obj: {a: 1, b: \"two\"}\n",
scenarioType: "decode",
},
{
description: "nested block",
skipDoc: true,
input: `server { port = 8080 }`,
expected: "server:\n port: 8080\n",
scenarioType: "decode",
},
{
description: "multiple attributes",
skipDoc: true,
input: "name = \"app\"\nversion = 1\nenabled = true",
expected: "name: \"app\"\nversion: 1\nenabled: true\n",
scenarioType: "decode",
},
{
description: "binary expression",
skipDoc: true,
input: `count = 0 - 42`,
expected: "count: -42\n",
scenarioType: "decode",
},
{
description: "negative number",
skipDoc: true,
input: `count = -42`,
expected: "count: -42\n",
scenarioType: "decode",
},
{
description: "scientific notation",
skipDoc: true,
input: `value = 1e-3`,
expected: "value: 0.001\n",
scenarioType: "decode",
},
{
description: "nested object",
skipDoc: true,
input: `config = { db = { host = "localhost", port = 5432 } }`,
expected: "config: {db: {host: \"localhost\", port: 5432}}\n",
scenarioType: "decode",
},
{
description: "mixed list",
skipDoc: true,
input: `values = [1, "two", true]`,
expected: "values:\n - 1\n - \"two\"\n - true\n",
scenarioType: "decode",
},
{
description: "Roundtrip: Sample Doc",
input: multipleBlockLabelKeys,
expected: multipleBlockLabelKeysExpected,
scenarioType: "roundtrip",
},
{
description: "Roundtrip: With an update",
input: multipleBlockLabelKeys,
expression: `.service.cat.process.main.command += "meow"`,
expected: multipleBlockLabelKeysExpectedUpdate,
scenarioType: "roundtrip",
},
{
description: "Parse HCL: Sample Doc",
input: multipleBlockLabelKeys,
expected: multipleBlockLabelKeysExpectedYaml,
scenarioType: "decode",
},
{
description: "block with labels",
skipDoc: true,
input: `resource "aws_instance" "example" { ami = "ami-12345" }`,
expected: "resource:\n aws_instance:\n example:\n ami: \"ami-12345\"\n",
scenarioType: "decode",
},
{
description: "block with labels roundtrip",
skipDoc: true,
input: `resource "aws_instance" "example" { ami = "ami-12345" }`,
expected: "resource \"aws_instance\" \"example\" {\n ami = \"ami-12345\"\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip simple attribute",
skipDoc: true,
input: `io_mode = "async"`,
expected: `io_mode = "async"` + "\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip number attribute",
skipDoc: true,
input: `port = 8080`,
expected: "port = 8080\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip float attribute",
skipDoc: true,
input: `pi = 3.14`,
expected: "pi = 3.14\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip boolean attribute",
skipDoc: true,
input: `enabled = true`,
expected: "enabled = true\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip list of strings",
skipDoc: true,
input: `tags = ["a", "b"]`,
expected: "tags = [\"a\", \"b\"]\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip object/map attribute",
skipDoc: true,
input: `obj = { a = 1, b = "two" }`,
expected: "obj = {\n a = 1\n b = \"two\"\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip nested block",
skipDoc: true,
input: `server { port = 8080 }`,
expected: "server {\n port = 8080\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip multiple attributes",
skipDoc: true,
input: "name = \"app\"\nversion = 1\nenabled = true",
expected: "name = \"app\"\nversion = 1\nenabled = true\n",
scenarioType: "roundtrip",
},
{
description: "Parse HCL: with comments",
input: "# Configuration\nport = 8080 # server port",
expected: "# Configuration\nport: 8080 # server port\n",
scenarioType: "decode",
},
{
description: "Roundtrip: with comments",
input: "# Configuration\nport = 8080",
expected: "# Configuration\nport = 8080\n",
scenarioType: "roundtrip",
},
{
description: "Roundtrip: extraction",
skipDoc: true,
input: simpleSample,
expression: ".shouty_message",
expected: "upper(message)\n",
scenarioType: "roundtrip",
},
{
description: "Roundtrip: With templates, functions and arithmetic",
input: simpleSample,
expected: simpleSampleExpected,
scenarioType: "roundtrip",
},
{
description: "roundtrip example",
skipDoc: true,
input: simpleSample,
expected: simpleSampleExpectedYaml,
scenarioType: "decode",
},
{
description: "Parse HCL: List of strings",
skipDoc: true,
input: `tags = ["a", "b"]`,
expected: "tags:\n - \"a\"\n - \"b\"\n",
scenarioType: "decode",
},
{
description: "roundtrip list of objects",
skipDoc: true,
input: `items = [{ name = "a", value = 1 }, { name = "b", value = 2 }]`,
expected: "items = [{\n name = \"a\"\n value = 1\n }, {\n name = \"b\"\n value = 2\n}]\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip nested blocks with same name",
skipDoc: true,
input: "database \"primary\" {\n host = \"localhost\"\n port = 5432\n}\ndatabase \"replica\" {\n host = \"replica.local\"\n port = 5433\n}",
expected: "database \"primary\" {\n host = \"localhost\"\n port = 5432\n}\ndatabase \"replica\" {\n host = \"replica.local\"\n port = 5433\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip mixed nested structure",
skipDoc: true,
input: "servers \"web\" {\n addresses = [\"10.0.1.1\", \"10.0.1.2\"]\n port = 8080\n}",
expected: "servers \"web\" {\n addresses = [\"10.0.1.1\", \"10.0.1.2\"]\n port = 8080\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip null value",
skipDoc: true,
input: `value = null`,
expected: "value = null\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip empty list",
skipDoc: true,
input: `items = []`,
expected: "items = []\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip empty object",
skipDoc: true,
input: `config = {}`,
expected: "config = {}\n",
scenarioType: "roundtrip",
},
{
description: "Roundtrip: Separate blocks with same name.",
input: "resource \"aws_instance\" \"web\" {\n ami = \"ami-12345\"\n}\nresource \"aws_instance\" \"db\" {\n ami = \"ami-67890\"\n}",
expected: "resource \"aws_instance\" \"web\" {\n ami = \"ami-12345\"\n}\nresource \"aws_instance\" \"db\" {\n ami = \"ami-67890\"\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip deeply nested structure",
skipDoc: true,
input: "app \"database\" \"primary\" \"connection\" {\n host = \"db.local\"\n port = 5432\n}",
expected: "app \"database\" \"primary\" \"connection\" {\n host = \"db.local\"\n port = 5432\n}\n",
scenarioType: "roundtrip",
},
{
description: "roundtrip with leading comments",
skipDoc: true,
input: "# Main config\nenabled = true\nport = 8080",
expected: "# Main config\nenabled = true\nport = 8080\n",
scenarioType: "roundtrip",
},
{
description: "Multiple attributes with comments (comment safety with safe path separator)",
skipDoc: true,
input: "# Database config\ndb_host = \"localhost\"\n# Connection pool\ndb_pool = 10",
expected: "# Database config\ndb_host = \"localhost\"\n# Connection pool\ndb_pool = 10\n",
scenarioType: "roundtrip",
},
{
description: "Nested blocks with head comments",
skipDoc: true,
input: "service \"api\" {\n # Listen address\n listen = \"0.0.0.0:8080\"\n # TLS enabled\n tls = true\n}",
expected: "service \"api\" {\n # Listen address\n listen = \"0.0.0.0:8080\"\n # TLS enabled\n tls = true\n}\n",
scenarioType: "roundtrip",
},
{
description: "Multiple blocks with EncodeSeparate preservation",
skipDoc: true,
input: "resource \"aws_s3_bucket\" \"bucket1\" {\n bucket = \"my-bucket-1\"\n}\nresource \"aws_s3_bucket\" \"bucket2\" {\n bucket = \"my-bucket-2\"\n}",
expected: "resource \"aws_s3_bucket\" \"bucket1\" {\n bucket = \"my-bucket-1\"\n}\nresource \"aws_s3_bucket\" \"bucket2\" {\n bucket = \"my-bucket-2\"\n}\n",
scenarioType: "roundtrip",
},
{
description: "Blocks with same name handled separately",
skipDoc: true,
input: "server \"primary\" { port = 8080 }\nserver \"backup\" { port = 8081 }",
expected: "server \"primary\" {\n port = 8080\n}\nserver \"backup\" {\n port = 8081\n}\n",
scenarioType: "roundtrip",
},
{
description: "Block label with dot roundtrip (commentPathSep)",
skipDoc: true,
input: "service \"api.service\" {\n port = 8080\n}",
expected: "service \"api.service\" {\n port = 8080\n}\n",
scenarioType: "roundtrip",
},
{
description: "Nested template expression",
skipDoc: true,
input: `message = "User: ${username}, Role: ${user_role}"`,
expected: "message = \"User: ${username}, Role: ${user_role}\"\n",
scenarioType: "roundtrip",
},
{
description: "Empty object roundtrip",
skipDoc: true,
input: `obj = {}`,
expected: "obj = {}\n",
scenarioType: "roundtrip",
},
{
description: "Null value in block",
skipDoc: true,
input: `service { optional_field = null }`,
expected: "service {\n optional_field = null\n}\n",
scenarioType: "roundtrip",
},
}
func testHclScenario(t *testing.T, s formatScenario) {
switch s.scenarioType {
case "decode":
result := mustProcessFormatScenario(s, NewHclDecoder(), NewYamlEncoder(ConfiguredYamlPreferences))
test.AssertResultWithContext(t, s.expected, result, s.description)
case "roundtrip":
test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewHclDecoder(), NewHclEncoder(ConfiguredHclPreferences)), s.description)
}
}
func documentHclScenario(_ *testing.T, w *bufio.Writer, i interface{}) {
s := i.(formatScenario)
if s.skipDoc {
return
}
switch s.scenarioType {
case "", "decode":
documentHclDecodeScenario(w, s)
case "roundtrip":
documentHclRoundTripScenario(w, s)
default:
panic(fmt.Sprintf("unhandled scenario type %q", s.scenarioType))
}
}
func documentHclDecodeScenario(w *bufio.Writer, s formatScenario) {
writeOrPanic(w, fmt.Sprintf("## %v\n", s.description))
if s.subdescription != "" {
writeOrPanic(w, s.subdescription)
writeOrPanic(w, "\n\n")
}
writeOrPanic(w, "Given a sample.hcl file of:\n")
writeOrPanic(w, fmt.Sprintf("```hcl\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
expression := s.expression
if s.expression != "" {
expression = fmt.Sprintf(" '%v'", s.expression)
}
writeOrPanic(w, fmt.Sprintf("```bash\nyq -oy%v sample.hcl\n```\n", expression))
writeOrPanic(w, "will output\n")
writeOrPanic(w, fmt.Sprintf("```yaml\n%v```\n\n", mustProcessFormatScenario(s, NewHclDecoder(), NewYamlEncoder(ConfiguredYamlPreferences))))
}
func documentHclRoundTripScenario(w *bufio.Writer, s formatScenario) {
writeOrPanic(w, fmt.Sprintf("## %v\n", s.description))
if s.subdescription != "" {
writeOrPanic(w, s.subdescription)
writeOrPanic(w, "\n\n")
}
writeOrPanic(w, "Given a sample.hcl file of:\n")
writeOrPanic(w, fmt.Sprintf("```hcl\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
expression := s.expression
if s.expression != "" {
expression = fmt.Sprintf(" '%v'", s.expression)
}
writeOrPanic(w, fmt.Sprintf("```bash\nyq%v sample.hcl\n```\n", expression))
writeOrPanic(w, "will output\n")
writeOrPanic(w, fmt.Sprintf("```hcl\n%v```\n\n", mustProcessFormatScenario(s, NewHclDecoder(), NewHclEncoder(ConfiguredHclPreferences))))
}
func TestHclFormatScenarios(t *testing.T) {
for _, tt := range hclFormatScenarios {
testHclScenario(t, tt)
}
genericScenarios := make([]interface{}, len(hclFormatScenarios))
for i, s := range hclFormatScenarios {
genericScenarios[i] = s
}
documentScenarios(t, "usage", "hcl", genericScenarios, documentHclScenario)
}