test: add chart validator tests

pkg/lint/chart_validator_test.go

@@ -0,0 +1,132 @@
+package lint
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestValidateChartYAML_Missing(t *testing.T) {
+	tmpDir := t.TempDir()
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateChartYAML()
+
+	if result.Passed {
+		t.Error("Expected validation to fail for missing Chart.yaml")
+	}
+}
+
+func TestValidateChartYAML_Present(t *testing.T) {
+	tmpDir := t.TempDir()
+	chartYAML := piVersion: v2
+name: test-chart
+version: 0.1.0
+description: A test chart
+
+	os.WriteFile(filepath.Join(tmpDir, "Chart.yaml"), []byte(chartYAML), 0644)
+
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateChartYAML()
+
+	if !result.Passed {
+		t.Errorf("Expected validation to pass, got: %s", result.Message)
+	}
+}
+
+func TestValidateTemplates_Missing(t *testing.T) {
+	tmpDir := t.TempDir()
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateTemplates()
+
+	if result.Passed {
+		t.Error("Expected validation to fail for missing templates directory")
+	}
+}
+
+func TestValidateTemplates_Empty(t *testing.T) {
+	tmpDir := t.TempDir()
+	os.MkdirAll(filepath.Join(tmpDir, "templates"), 0755)
+
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateTemplates()
+
+	if result.Passed {
+		t.Error("Expected validation to fail for empty templates directory")
+	}
+}
+
+func TestValidateTemplates_HasFiles(t *testing.T) {
+	tmpDir := t.TempDir()
+	templatesDir := filepath.Join(tmpDir, "templates")
+	os.MkdirAll(templatesDir, 0755)
+	os.WriteFile(filepath.Join(templatesDir, "deployment.yaml"), []byte("apiVersion: apps/v1"), 0644)
+
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateTemplates()
+
+	if !result.Passed {
+		t.Errorf("Expected validation to pass, got: %s", result.Message)
+	}
+}
+
+func TestValidateValues_Missing(t *testing.T) {
+	tmpDir := t.TempDir()
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateValues()
+
+	if result.Passed {
+		t.Error("Expected validation to fail for missing values.yaml")
+	}
+}
+
+func TestValidateValues_Present(t *testing.T) {
+	tmpDir := t.TempDir()
+	os.WriteFile(filepath.Join(tmpDir, "values.yaml"), []byte("replicaCount: 1"), 0644)
+
+	validator := NewChartValidator(tmpDir)
+	result := validator.ValidateValues()
+
+	if !result.Passed {
+		t.Errorf("Expected validation to pass, got: %s", result.Message)
+	}
+}
+
+func TestValidateChart_Full(t *testing.T) {
+	tmpDir := t.TempDir()
+
+	chartYAML := piVersion: v2
+name: test-chart
+version: 0.1.0
+description: A test chart
+
+	os.WriteFile(filepath.Join(tmpDir, "Chart.yaml"), []byte(chartYAML), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "values.yaml"), []byte("replicaCount: 1"), 0644)
+	os.MkdirAll(filepath.Join(tmpDir, "templates"), 0755)
+	os.WriteFile(filepath.Join(tmpDir, "templates", "deployment.yaml"), []byte("apiVersion: apps/v1"), 0644)
+
+	validator := NewChartValidator(tmpDir)
+	results := validator.ValidateChart()
+
+	passed := 0
+	for _, r := range results {
+		if r.Passed {
+			passed++
+		}
+	}
+
+	if passed < 4 {
+		t.Errorf("Expected at least 4 passed validations, got %d", passed)
+	}
+}
+
+func TestPrintReport(t *testing.T) {
+	results := []ValidationResult{
+		{Passed: true, Message: "Test passed"},
+		{Passed: false, Message: "Test failed", Details: "Something went wrong"},
+	}
+
+	report := PrintReport(results)
+	if report == "" {
+		t.Error("Expected non-empty report")
+	}
+}