Function TestFormatYAMLErrorAdjustment

pkg/parser/yaml_error_test.go:100–159

TestFormatYAMLErrorAdjustment specifically tests line number adjustment

(t *testing.T)

// TestFormatYAMLErrorAdjustment specifically tests line number adjustment
func TestFormatYAMLErrorAdjustment(t *testing.T) {
	yamlContent := "name: test\nname: duplicate"

	tests := []struct {
		offset             int
		expectedFirstLine  string
		expectedSecondLine string
		expectedDefinedAt  string
	}{
		{
			offset:             1,
			expectedFirstLine:  "   1 |",
			expectedSecondLine: ">  2 |",
			expectedDefinedAt:  "already defined at [1:1]",
		},
		{
			offset:             5,
			expectedFirstLine:  "   5 |",
			expectedSecondLine: ">  6 |",
			expectedDefinedAt:  "already defined at [5:1]",
		},
		{
			offset:             10,
			expectedFirstLine:  "  10 |",
			expectedSecondLine: "> 11 |",
			expectedDefinedAt:  "already defined at [10:1]",
		},
	}

	for _, tt := range tests {
		t.Run(fmt.Sprintf("offset_%d", tt.offset), func(t *testing.T) {
			var result map[string]any
			err := yaml.Unmarshal([]byte(yamlContent), &result)

			if err == nil {
				t.Errorf("Expected YAML parsing to fail")
				return
			}

			formatted := FormatYAMLError(err, tt.offset, yamlContent)

			// Check first line number
			if !strings.Contains(formatted, tt.expectedFirstLine) {
				t.Errorf("Expected first line number format '%s', got:\n%s", tt.expectedFirstLine, formatted)
			}

			// Check second line number
			if !strings.Contains(formatted, tt.expectedSecondLine) {
				t.Errorf("Expected second line number format '%s', got:\n%s", tt.expectedSecondLine, formatted)
			}

			// Check "already defined at" reference
			if !strings.Contains(formatted, tt.expectedDefinedAt) {
				t.Errorf("Expected 'already defined at' reference '%s', got:\n%s", tt.expectedDefinedAt, formatted)
			}

			t.Logf("Formatted error (offset %d):\n%s", tt.offset, formatted)
		})