add test caes

Signed-off-by: nitishfy <[email protected]>

internal/directives/file_deleter.go

@@ -64,8 +64,14 @@ func (f *fileDeleter) runPromotionStep(
 
 	symlink, err := f.isSymlink(absPath)
 
+	/* TODO
+	if err != nil {
+
+	}
+	*/
+
 	if symlink {
-		err := os.Remove(absPath)
+		err = os.Remove(absPath)
 		if err != nil {
 			return PromotionStepResult{}, err
 		}

internal/directives/file_deleter_test.go

@@ -103,6 +103,34 @@ func Test_fileDeleter_runPromotionStep(t *testing.T) {
 				assert.True(t, os.IsNotExist(statErr))
 			},
 		},
+		{
+			name: "removes a file within a symlink",
+			setupFiles: func(t *testing.T) string {
+				tmpDir := t.TempDir()
+
+				inDir := filepath.Join(tmpDir, "bar")
+				require.NoError(t, os.Mkdir(inDir, 0o755))
+
+				filePath := filepath.Join(inDir, "file.txt")
+				require.NoError(t, os.WriteFile(filePath, []byte("test content"), 0o600))
+
+				symlinkPath := filepath.Join(tmpDir, "foo")
+				require.NoError(t, os.Symlink(inDir, symlinkPath))
+
+				return tmpDir
+			},
+			cfg: DeleteConfig{
+				Path: "foo",
+			},
+			assertions: func(t *testing.T, workDir string, result PromotionStepResult, err error) {
+				assert.NoError(t, err)
+				require.Equal(t, PromotionStepResult{Status: kargoapi.PromotionPhaseSucceeded}, result)
+
+				_, statErr := os.Stat(filepath.Join(workDir, "foo", "file.txt"))
+				assert.Error(t, statErr)
+				assert.True(t, os.IsNotExist(statErr))
+			},
+		},
 	}
 	runner := &fileDeleter{}