test(getters): added unit tests for utilities

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>

core/cautils/getter/getpoliciesutils.go

@@ -6,7 +6,6 @@ import (
 	"io"
 	"net/http"
 	"os"
-	"path"
 	"path/filepath"
 	"strings"
 )
@@ -23,7 +22,7 @@ func SaveInFile(policy interface{}, pathStr string) error {
 	err = os.WriteFile(pathStr, encodedData, 0644) //nolint:gosec
 	if err != nil {
 		if os.IsNotExist(err) {
-			pathDir := path.Dir(pathStr)
+			pathDir := filepath.Dir(pathStr)
 			// pathDir could contain subdirectories
 			if erm := os.MkdirAll(pathDir, 0755); erm != nil {
 				return erm

core/cautils/getter/getpoliciesutils_test.go

@@ -0,0 +1,68 @@
+package getter
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetDefaultPath(t *testing.T) {
+	t.Parallel()
+
+	const name = "mine"
+
+	pth := GetDefaultPath(name)
+	require.Equal(t, name, filepath.Base(pth))
+	require.Equal(t, ".kubescape", filepath.Base(filepath.Dir(pth)))
+}
+
+func TestSaveInFile(t *testing.T) {
+	t.Parallel()
+
+	dir, err := os.MkdirTemp(".", "test")
+	require.NoError(t, err)
+	defer func() {
+		_ = os.RemoveAll(dir)
+	}()
+
+	policy := map[string]interface{}{
+		"key":    "value",
+		"number": 1.00,
+	}
+
+	t.Run("should save data as JSON (target folder exists)", func(t *testing.T) {
+		target := filepath.Join(dir, "target.json")
+		require.NoError(t, SaveInFile(policy, target))
+
+		buf, err := os.ReadFile(target)
+		require.NoError(t, err)
+		var retrieved interface{}
+		require.NoError(t, json.Unmarshal(buf, &retrieved))
+
+		require.EqualValues(t, policy, retrieved)
+	})
+
+	t.Run("should save data as JSON (new target folder)", func(t *testing.T) {
+		target := filepath.Join(dir, "subdir", "target.json")
+		require.NoError(t, SaveInFile(policy, target))
+
+		buf, err := os.ReadFile(target)
+		require.NoError(t, err)
+		var retrieved interface{}
+		require.NoError(t, json.Unmarshal(buf, &retrieved))
+
+		require.EqualValues(t, policy, retrieved)
+	})
+
+	t.Run("should error", func(t *testing.T) {
+		badPolicy := map[string]interface{}{
+			"key":    "value",
+			"number": 1.00,
+			"err":    func() {},
+		}
+		target := filepath.Join(dir, "error.json")
+		require.Error(t, SaveInFile(badPolicy, target))
+	})
+}