mirror of
https://github.com/mikefarah/yq.git
synced 2026-07-08 14:55:42 +00:00
443 lines
13 KiB
Go
443 lines
13 KiB
Go
package yqlib
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/mikefarah/yq/v4/test"
|
|
)
|
|
|
|
var testYamlDocs = []string{
|
|
`---
|
|
name: John
|
|
age: 30
|
|
address:
|
|
street: 123 Main St
|
|
city: Anytown
|
|
state: ST
|
|
zip: 12345
|
|
hobbies:
|
|
- reading
|
|
- swimming
|
|
- cooking
|
|
`,
|
|
`---
|
|
# This is a comment
|
|
version: "1.0"
|
|
database:
|
|
host: localhost
|
|
port: 5432
|
|
name: myapp
|
|
credentials:
|
|
username: admin
|
|
password: secret123
|
|
servers:
|
|
- name: web1
|
|
ip: 192.168.1.10
|
|
- name: web2
|
|
ip: 192.168.1.11
|
|
`,
|
|
`---
|
|
# Complex YAML with various types
|
|
config:
|
|
enabled: true
|
|
timeout: 30
|
|
ratio: 3.14159
|
|
options:
|
|
debug: false
|
|
verbose: true
|
|
items: []
|
|
metadata: null
|
|
multiline: |
|
|
This is a multiline
|
|
string with line breaks
|
|
and proper formatting
|
|
`,
|
|
`---
|
|
# Anchors and Aliases
|
|
defaults: &defaults
|
|
adapter: postgres
|
|
host: localhost
|
|
|
|
development:
|
|
<<: *defaults
|
|
database: myapp_dev
|
|
|
|
test:
|
|
<<: *defaults
|
|
database: myapp_test
|
|
`,
|
|
`---
|
|
# Multiple documents
|
|
doc: 1
|
|
key: value1
|
|
---
|
|
doc: 2
|
|
key: value2
|
|
`,
|
|
`---
|
|
# Flow style and tags
|
|
flow_map: {item1: val1, item2: val2}
|
|
flow_seq: [alpha, bravo, charlie]
|
|
custom_tag: !myTag data
|
|
`,
|
|
}
|
|
|
|
func TestYamlParsersStructuralEquivalence(t *testing.T) {
|
|
// Save original preferences
|
|
originalPrefs := ConfiguredYamlPreferences.Copy()
|
|
defer func() {
|
|
ConfiguredYamlPreferences = originalPrefs
|
|
}()
|
|
|
|
for i, yamlDoc := range testYamlDocs {
|
|
t.Run(fmt.Sprintf("Document_%d", i), func(t *testing.T) {
|
|
// Test with yaml.v3 parser
|
|
ConfiguredYamlPreferences.UseGoccyParser = false
|
|
v3Nodes := parseYamlDocument(t, yamlDoc)
|
|
|
|
// Test with goccy parser
|
|
ConfiguredYamlPreferences.UseGoccyParser = true
|
|
goccyNodes := parseYamlDocument(t, yamlDoc)
|
|
|
|
if len(v3Nodes) != len(goccyNodes) {
|
|
t.Errorf("Number of parsed documents differ between yaml.v3 (%d) and goccy (%d) for document %d", len(v3Nodes), len(goccyNodes), i)
|
|
// Log nodes for debugging if lengths differ significantly or one is empty
|
|
if len(v3Nodes) < 5 && len(goccyNodes) < 5 { // Avoid excessive logging for large diffs
|
|
for idx, node := range v3Nodes {
|
|
t.Logf("yaml.v3 result[%d]: %s", idx, NodeToString(node))
|
|
}
|
|
for idx, node := range goccyNodes {
|
|
t.Logf("goccy result[%d]: %s", idx, NodeToString(node))
|
|
}
|
|
}
|
|
return // No point comparing nodes if doc counts differ
|
|
}
|
|
|
|
// Compare the parsed structures (not text output)
|
|
for j := range v3Nodes {
|
|
v3Node := v3Nodes[j]
|
|
goccyNode := goccyNodes[j]
|
|
if !recursiveNodeEqual(v3Node, goccyNode) {
|
|
t.Errorf("Parsed structures differ between yaml.v3 and goccy for document %d, sub-document %d", i, j)
|
|
t.Logf("yaml.v3 result: %s", NodeToString(v3Node))
|
|
t.Logf("goccy result: %s", NodeToString(goccyNode))
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func parseYamlDocument(t *testing.T, yamlDoc string) []*CandidateNode {
|
|
decoder := YamlFormat.DecoderFactory()
|
|
|
|
inputs, err := readDocuments(strings.NewReader(yamlDoc), "test.yml", 0, decoder)
|
|
if err != nil {
|
|
t.Fatalf("Failed to decode YAML: %v", err)
|
|
}
|
|
|
|
if inputs.Len() == 0 {
|
|
t.Fatal("No documents found")
|
|
}
|
|
|
|
var nodes []*CandidateNode
|
|
for el := inputs.Front(); el != nil; el = el.Next() {
|
|
nodes = append(nodes, el.Value.(*CandidateNode))
|
|
}
|
|
return nodes
|
|
}
|
|
|
|
func TestYamlParsersEquivalence(t *testing.T) {
|
|
// Save original preferences
|
|
originalPrefs := ConfiguredYamlPreferences.Copy()
|
|
defer func() {
|
|
ConfiguredYamlPreferences = originalPrefs
|
|
}()
|
|
|
|
// Note: This test documents the differences in output formatting between parsers
|
|
// These differences are acceptable as they don't affect semantic meaning
|
|
t.Log("Note: yaml.v3 and goccy may produce different key ordering, which is semantically equivalent")
|
|
|
|
for i, yamlDoc := range testYamlDocs {
|
|
t.Run(fmt.Sprintf("Document_%d", i), func(t *testing.T) {
|
|
// Test with yaml.v3 parser
|
|
ConfiguredYamlPreferences.UseGoccyParser = false
|
|
v3Result := processYamlDocument(t, yamlDoc)
|
|
|
|
// Test with goccy parser
|
|
ConfiguredYamlPreferences.UseGoccyParser = true
|
|
goccyResult := processYamlDocument(t, yamlDoc)
|
|
|
|
// Log the differences for documentation purposes
|
|
if v3Result != goccyResult {
|
|
t.Logf("Output format differs (this is expected):")
|
|
t.Logf("yaml.v3 output:\n%s", v3Result)
|
|
t.Logf("goccy output:\n%s", goccyResult)
|
|
|
|
// But both should be valid YAML that parses to the same structure
|
|
v3ReparsedNodes := parseYamlDocument(t, v3Result)
|
|
goccyReparsedNodes := parseYamlDocument(t, goccyResult)
|
|
|
|
if len(v3ReparsedNodes) != len(goccyReparsedNodes) {
|
|
t.Errorf("Number of reparsed documents differ between yaml.v3 (%d) and goccy (%d) for document %d", len(v3ReparsedNodes), len(goccyReparsedNodes), i)
|
|
// Log nodes for debugging if lengths differ significantly
|
|
if len(v3ReparsedNodes) < 5 && len(goccyReparsedNodes) < 5 { // Avoid excessive logging
|
|
for idx, node := range v3ReparsedNodes {
|
|
t.Logf("yaml.v3 reparsed result[%d]: %s", idx, NodeToString(node))
|
|
}
|
|
for idx, node := range goccyReparsedNodes {
|
|
t.Logf("goccy reparsed result[%d]: %s", idx, NodeToString(node))
|
|
}
|
|
}
|
|
} else {
|
|
for j := range v3ReparsedNodes {
|
|
v3ReparseNode := v3ReparsedNodes[j]
|
|
goccyReparseNode := goccyReparsedNodes[j]
|
|
if !recursiveNodeEqualWithMergeHandling(v3ReparseNode, goccyReparseNode) {
|
|
t.Errorf("Reparsed structures differ for document %d, sub-document %d - this indicates a semantic issue", i, j)
|
|
// Force logging of nodes involved in the direct failing comparison
|
|
t.Logf("Failed comparison details:")
|
|
t.Logf("--- yaml.v3 reparsed node ---\n%s\nNode Structure:\n%s", NodeToString(v3ReparseNode), GetNodeStructure(v3ReparseNode, 0))
|
|
t.Logf("--- goccy reparsed node ---\n%s\nNode Structure:\n%s", NodeToString(goccyReparseNode), GetNodeStructure(goccyReparseNode, 0))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func processYamlDocument(t *testing.T, yamlDoc string) string {
|
|
decoder := YamlFormat.DecoderFactory()
|
|
encoder := YamlFormat.EncoderFactory()
|
|
|
|
inputs, err := readDocuments(strings.NewReader(yamlDoc), "test.yml", 0, decoder)
|
|
if err != nil {
|
|
t.Fatalf("Failed to decode YAML: %v", err)
|
|
}
|
|
|
|
if inputs.Len() == 0 {
|
|
t.Fatal("No documents found")
|
|
}
|
|
|
|
var allDocsOutput strings.Builder
|
|
for i, el := 0, inputs.Front(); el != nil; i, el = i+1, el.Next() {
|
|
node := el.Value.(*CandidateNode)
|
|
var singleDocOutput bytes.Buffer
|
|
err = encoder.Encode(&singleDocOutput, node)
|
|
if err != nil {
|
|
t.Fatalf("Failed to encode YAML document %d: %v", i, err)
|
|
}
|
|
if i > 0 {
|
|
allDocsOutput.WriteString("\n---\n") // Add separator for subsequent documents
|
|
}
|
|
allDocsOutput.Write(singleDocOutput.Bytes())
|
|
}
|
|
|
|
return allDocsOutput.String()
|
|
}
|
|
|
|
func TestGoccyParserBasicFunctionality(t *testing.T) {
|
|
// Save original preferences
|
|
originalPrefs := ConfiguredYamlPreferences.Copy()
|
|
defer func() {
|
|
ConfiguredYamlPreferences = originalPrefs
|
|
}()
|
|
|
|
// Enable goccy parser
|
|
ConfiguredYamlPreferences.UseGoccyParser = true
|
|
|
|
yamlDoc := `---
|
|
test:
|
|
field1: value1
|
|
field2: 42
|
|
field3: true
|
|
`
|
|
|
|
decoder := YamlFormat.DecoderFactory()
|
|
encoder := YamlFormat.EncoderFactory()
|
|
|
|
inputs, err := readDocuments(strings.NewReader(yamlDoc), "test.yml", 0, decoder)
|
|
test.AssertResult(t, nil, err)
|
|
test.AssertResult(t, 1, inputs.Len())
|
|
|
|
node := inputs.Front().Value.(*CandidateNode)
|
|
|
|
var output bytes.Buffer
|
|
err = encoder.Encode(&output, node)
|
|
test.AssertResult(t, nil, err)
|
|
|
|
result := output.String()
|
|
|
|
// Basic checks - the exact format might differ but structure should be preserved
|
|
if !strings.Contains(result, "test:") {
|
|
t.Error("Expected 'test:' in output")
|
|
}
|
|
if !strings.Contains(result, "field1: value1") {
|
|
t.Error("Expected 'field1: value1' in output")
|
|
}
|
|
if !strings.Contains(result, "field2: 42") {
|
|
t.Error("Expected 'field2: 42' in output")
|
|
}
|
|
if !strings.Contains(result, "field3: true") {
|
|
t.Error("Expected 'field3: true' in output")
|
|
}
|
|
}
|
|
|
|
// Add a helper function to get detailed node structure for logging
|
|
func GetNodeStructure(node *CandidateNode, depth int) string {
|
|
if node == nil {
|
|
return strings.Repeat(" ", depth) + "<nil>\n"
|
|
}
|
|
indent := strings.Repeat(" ", depth)
|
|
var sb strings.Builder
|
|
sb.WriteString(fmt.Sprintf("%sKind: %s, Tag: '%s', Value: '%s', Path: %s\n", indent, KindString(node.Kind), node.Tag, node.Value, node.GetNicePath()))
|
|
if node.Alias != nil {
|
|
sb.WriteString(fmt.Sprintf("%s AliasToTag: '%s', AliasToValue: '%s'\n", indent, node.Alias.Tag, node.Alias.Value))
|
|
if node.Alias.Alias != nil {
|
|
sb.WriteString(fmt.Sprintf("%s PointsToTag: '%s', PointsToValue: '%s'\n", indent, node.Alias.Alias.Tag, node.Alias.Alias.Value))
|
|
}
|
|
}
|
|
if len(node.Content) > 0 {
|
|
sb.WriteString(fmt.Sprintf("%s Content (%d items):\n", indent, len(node.Content)))
|
|
for i, child := range node.Content {
|
|
sb.WriteString(fmt.Sprintf("%s [%d]:\n", indent, i))
|
|
sb.WriteString(GetNodeStructure(child, depth+2))
|
|
}
|
|
}
|
|
return sb.String()
|
|
}
|
|
|
|
// recursiveNodeEqualWithMergeHandling compares two nodes but handles the case where
|
|
// one parser uses alias nodes for merge tags while the other expands them directly
|
|
func recursiveNodeEqualWithMergeHandling(lhs *CandidateNode, rhs *CandidateNode) bool {
|
|
return recursiveNodeEqualWithMergeHandlingHelper(lhs, rhs, lhs, rhs)
|
|
}
|
|
|
|
// recursiveNodeEqualWithMergeHandlingHelper includes root nodes for alias resolution
|
|
func recursiveNodeEqualWithMergeHandlingHelper(lhs *CandidateNode, rhs *CandidateNode, lhsRoot *CandidateNode, rhsRoot *CandidateNode) bool {
|
|
if recursiveNodeEqual(lhs, rhs) {
|
|
return true
|
|
}
|
|
|
|
// Special handling for merge tag differences between parsers
|
|
if lhs != nil && rhs != nil && lhs.Kind == MappingNode && rhs.Kind == MappingNode {
|
|
return compareMappingNodesWithMergeHandling(lhs, rhs, lhsRoot, rhsRoot)
|
|
}
|
|
|
|
// Handle sequence nodes
|
|
if lhs != nil && rhs != nil && lhs.Kind == SequenceNode && rhs.Kind == SequenceNode {
|
|
if len(lhs.Content) != len(rhs.Content) {
|
|
return false
|
|
}
|
|
for i := range lhs.Content {
|
|
if !recursiveNodeEqualWithMergeHandlingHelper(lhs.Content[i], rhs.Content[i], lhsRoot, rhsRoot) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// compareMappingNodesWithMergeHandling compares mapping nodes and handles merge tag differences
|
|
func compareMappingNodesWithMergeHandling(lhs *CandidateNode, rhs *CandidateNode, lhsRoot *CandidateNode, rhsRoot *CandidateNode) bool {
|
|
// Create maps of key-value pairs for comparison
|
|
lhsMap := make(map[string]*CandidateNode)
|
|
rhsMap := make(map[string]*CandidateNode)
|
|
|
|
// Helper function to find alias target in the root mapping
|
|
findAliasTarget := func(rootNode *CandidateNode, aliasName string) *CandidateNode {
|
|
for i := 0; i < len(rootNode.Content); i += 2 {
|
|
if rootNode.Content[i].Value == aliasName && rootNode.Content[i+1].Kind == MappingNode {
|
|
return rootNode.Content[i+1]
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Parse lhs content
|
|
for i := 0; i < len(lhs.Content); i += 2 {
|
|
key := lhs.Content[i].Value
|
|
value := lhs.Content[i+1]
|
|
|
|
if key == "<<" && value.Kind == AliasNode {
|
|
// This is a merge tag with alias - find the target node
|
|
aliasNode := findAliasTarget(lhsRoot, value.Value)
|
|
if aliasNode != nil {
|
|
// Add each key-value pair from the alias
|
|
for k := 0; k < len(aliasNode.Content); k += 2 {
|
|
aliasKey := aliasNode.Content[k].Value
|
|
aliasValue := aliasNode.Content[k+1]
|
|
if _, exists := lhsMap[aliasKey]; !exists {
|
|
lhsMap[aliasKey] = aliasValue
|
|
}
|
|
}
|
|
}
|
|
} else if key == "<<" && value.Kind == MappingNode {
|
|
// This is a merge tag with expanded content
|
|
for j := 0; j < len(value.Content); j += 2 {
|
|
mergeKey := value.Content[j].Value
|
|
mergeValue := value.Content[j+1]
|
|
if _, exists := lhsMap[mergeKey]; !exists {
|
|
lhsMap[mergeKey] = mergeValue
|
|
}
|
|
}
|
|
} else {
|
|
lhsMap[key] = value
|
|
}
|
|
}
|
|
|
|
// Parse rhs content
|
|
for i := 0; i < len(rhs.Content); i += 2 {
|
|
key := rhs.Content[i].Value
|
|
value := rhs.Content[i+1]
|
|
|
|
if key == "<<" && value.Kind == AliasNode {
|
|
// This is a merge tag with alias - find the target node
|
|
aliasNode := findAliasTarget(rhsRoot, value.Value)
|
|
if aliasNode != nil {
|
|
// Add each key-value pair from the alias
|
|
for k := 0; k < len(aliasNode.Content); k += 2 {
|
|
aliasKey := aliasNode.Content[k].Value
|
|
aliasValue := aliasNode.Content[k+1]
|
|
if _, exists := rhsMap[aliasKey]; !exists {
|
|
rhsMap[aliasKey] = aliasValue
|
|
}
|
|
}
|
|
}
|
|
} else if key == "<<" && value.Kind == MappingNode {
|
|
// This is a merge tag with expanded content
|
|
for j := 0; j < len(value.Content); j += 2 {
|
|
mergeKey := value.Content[j].Value
|
|
mergeValue := value.Content[j+1]
|
|
if _, exists := rhsMap[mergeKey]; !exists {
|
|
rhsMap[mergeKey] = mergeValue
|
|
}
|
|
}
|
|
} else {
|
|
rhsMap[key] = value
|
|
}
|
|
}
|
|
|
|
// Compare the flattened maps
|
|
if len(lhsMap) != len(rhsMap) {
|
|
return false
|
|
}
|
|
|
|
for key, lhsValue := range lhsMap {
|
|
rhsValue, exists := rhsMap[key]
|
|
if !exists {
|
|
return false
|
|
}
|
|
if !recursiveNodeEqualWithMergeHandlingHelper(lhsValue, rhsValue, lhsRoot, rhsRoot) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|