Add more tests for the analyze command

plugin/studio/package_analyze_command.go

@@ -146,6 +146,9 @@ func (c PackageAnalyzeCommand) randomJsonResultFileName() string {
 
 func (c PackageAnalyzeCommand) readAnalyzeResult(path string) ([]packageAnalyzeViolation, error) {
 	file, err := os.Open(path)
+	if err != nil && errors.Is(err, os.ErrNotExist) {
+		return []packageAnalyzeViolation{}, nil
+	}
 	if err != nil {
 		return []packageAnalyzeViolation{}, fmt.Errorf("Error reading %s file: %v", filepath.Base(path), err)
 	}

plugin/studio/studio_plugin_test.go

@@ -202,6 +202,29 @@ func TestAnalyzeSuccessfully(t *testing.T) {
 	}
 }
 
+func TestFailedAnalyzeReturnsFailureStatus(t *testing.T) {
+	exec := utils.NewExecCustomProcess(1, "Analyze output", "There was an error", func(name string, args []string) {})
+	context := test.NewContextBuilder().
+		WithDefinition("studio", studioDefinition).
+		WithCommandPlugin(PackageAnalyzeCommand{exec}).
+		Build()
+
+	source := studioProjectDirectory()
+	result := test.RunCli([]string{"studio", "package", "analyze", "--source", source}, context)
+
+	stdout := map[string]interface{}{}
+	err := json.Unmarshal([]byte(result.StdOut), &stdout)
+	if err != nil {
+		t.Errorf("Failed to deserialize analyze command result: %v", err)
+	}
+	if stdout["status"] != "Failed" {
+		t.Errorf("Expected status to be Failed, but got: %v", result.StdOut)
+	}
+	if stdout["error"] != "There was an error" {
+		t.Errorf("Expected error to be set, but got: %v", result.StdOut)
+	}
+}
+
 func findViolation(violations []interface{}, errorCode string) map[string]interface{} {
 	var violation map[string]interface{}
 	for _, v := range violations {