Test ContainsError

pkg/services/health_test.go

@@ -0,0 +1,58 @@
+package services
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestContainsError(t *testing.T) {
+	anError := errors.New("an error")
+	anotherError := errors.New("another error")
+	testCases := []struct {
+		Name           string
+		Report         map[string]error
+		Target         error
+		ExpectedResult bool
+	}{
+		{
+			Name:           "nil map",
+			Report:         nil,
+			Target:         anError,
+			ExpectedResult: false,
+		},
+		{
+			Name:           "report contains service, but it's healthy",
+			Report:         map[string]error{"service": nil},
+			Target:         anError,
+			ExpectedResult: false,
+		},
+		{
+			Name:           "service is not healthy, but it's not caused by target error",
+			Report:         map[string]error{"service": anotherError},
+			Target:         anError,
+			ExpectedResult: false,
+		},
+		{
+			Name:           "service is not healthy and contains wrapper target",
+			Report:         map[string]error{"service": fmt.Errorf("wrapped error: %w", anError)},
+			Target:         anError,
+			ExpectedResult: true,
+		},
+		{
+			Name:           "service is not healthy due to multiple errors including target",
+			Report:         map[string]error{"service": errors.Join(anError, anotherError)},
+			Target:         anError,
+			ExpectedResult: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.Name, func(t *testing.T) {
+			actualResult := ContainsError(tc.Report, tc.Target)
+			assert.Equal(t, tc.ExpectedResult, actualResult)
+		})
+	}
+}