update testcase.

kustomize/commands/edit/add/addreplacement_test.go

@@ -4,6 +4,7 @@
 package add
 
 import (
+	"sigs.k8s.io/kustomize/kustomize/v5/commands/internal/kustfile"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -29,10 +30,19 @@ func TestAddReplacementWithFilePath(t *testing.T) {
 	}
 	cmd.SetArgs(args)
 	assert.NoError(t, cmd.Execute())
-	content, err := testutils_test.ReadTestKustomization(fSys)
+	_, err = testutils_test.ReadTestKustomization(fSys)
 	assert.NoError(t, err)
-	for i := 1; i < len(args); i += 2 {
-		assert.Contains(t, string(content), args[i])
+
+	kf, err := kustfile.NewKustomizationFile(fSys)
+	require.NoError(t, err)
+
+	kustomization, err := kf.Read()
+	require.NoError(t, err)
+
+	expectedPath := []string{replaceFileName, patchFileName}
+
+	for k, replacement := range kustomization.Replacements {
+		require.Equal(t, expectedPath[k], replacement.Path)
 	}
 }