feat(declarative): add detailed error handling and logging

Signed-off-by: GLVS Kiriti <[email protected]>

cmd/common.go

@@ -30,12 +30,12 @@ import (
 func parseYamlFile(filepath string) (declarative.Tests, error) {
 	data, err := os.ReadFile(filepath)
 	if err != nil {
-		return declarative.Tests{}, err
+		return declarative.Tests{}, fmt.Errorf("an error occurred while parsing file %s: %w", filepath, err)
 	}
 	var tests declarative.Tests
 	err = yaml.Unmarshal(data, &tests)
 	if err != nil {
-		return declarative.Tests{}, err
+		return declarative.Tests{}, fmt.Errorf("an error occurred while unmarshalling yaml data: %w", err)
 	}
 	return tests, nil
 }

cmd/declarative.go

@@ -52,7 +52,10 @@ func NewDeclarative() *cobra.Command {
 
 		// Print all errors
 		if len(failedTests) > 0 {
-			return fmt.Errorf("some tests failed %v", failedTests)
+			for _, ft := range failedTests {
+				fmt.Println(ft)
+			}
+			return fmt.Errorf("some tests failed, see previous logs")
 		}
 
 		return nil