Function TestFormatYAMLError

pkg/parser/yaml_error_test.go:15–97

TestFormatYAMLError tests the new FormatYAMLError function that uses yaml.FormatError()

(t *testing.T)

// TestFormatYAMLError tests the new FormatYAMLError function that uses yaml.FormatError()
func TestFormatYAMLError(t *testing.T) {
	tests := []struct {
		name                  string
		yamlContent           string
		frontmatterLineOffset int
		expectedLineCol       string // Expected [line:col] format in output
		expectSourceContext   bool   // Should contain source code lines with | markers
		expectVisualPointer   bool   // Should contain visual ^ pointer
	}{
		{
			name:                  "invalid mapping with offset 1",
			yamlContent:           "invalid: yaml: syntax",
			frontmatterLineOffset: 1,
			expectedLineCol:       "[1:10]",
			expectSourceContext:   true,
			expectVisualPointer:   true,
		},
		{
			name:                  "invalid mapping with offset 5",
			yamlContent:           "invalid: yaml: syntax",
			frontmatterLineOffset: 5,
			expectedLineCol:       "[5:10]",
			expectSourceContext:   true,
			expectVisualPointer:   true,
		},
		{
			name:                  "indentation error",
			yamlContent:           "name: test\n  invalid_indentation: here",
			frontmatterLineOffset: 3,
			expectedLineCol:       "[3:",
			expectSourceContext:   true,
			expectVisualPointer:   true,
		},
		{
			name:                  "duplicate key",
			yamlContent:           "name: test\nname: duplicate",
			frontmatterLineOffset: 2,
			expectedLineCol:       "[3:1]",
			expectSourceContext:   true,
			expectVisualPointer:   true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Generate an actual goccy/go-yaml error
			var result map[string]any
			err := yaml.Unmarshal([]byte(tt.yamlContent), &result)

			if err == nil {
				t.Errorf("Expected YAML parsing to fail for content: %q", tt.yamlContent)
				return
			}

			// Format the error with the new function
			formatted := FormatYAMLError(err, tt.frontmatterLineOffset, tt.yamlContent)

			// Check for expected [line:col] format