introduce unit-tests for del, propose, proposedelete and push commands

Signed-off-by: Kushal Harish Naidu <kushal.harish.naidu@ericsson.com>

pkg/cli/commands/rpkg/del/command_test.go

@@ -0,0 +1,113 @@
+// Copyright 2022 The kpt and Nephio Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package del
+
+import (
+	"context"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	porchapi "github.com/nephio-project/porch/api/porch/v1alpha1"
+	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+)
+
+func createScheme() (*runtime.Scheme, error) {
+	scheme := runtime.NewScheme()
+
+	for _, api := range (runtime.SchemeBuilder{
+		porchapi.AddToScheme,
+	}) {
+		if err := api(scheme); err != nil {
+			return nil, err
+		}
+	}
+	return scheme, nil
+}
+
+func TestCmd(t *testing.T) {
+	pkgRevName := "test-fjdos9u2nfe2f32"
+	var scheme, err = createScheme()
+	if err != nil {
+		t.Fatalf("error creating scheme: %v", err)
+	}
+	testCases := map[string]struct {
+		output  string
+		wantErr bool
+		ns      string
+	}{
+		"Package not found in ns": {
+			output:  pkgRevName + " failed (packagerevisions.porch.kpt.dev \"" + pkgRevName + "\" not found)\n",
+			ns:      "doesnotexist",
+			wantErr: true,
+		},
+		"delete package": {
+			output: pkgRevName + " deleted\n",
+			ns:     "ns",
+		},
+	}
+
+	for tn := range testCases {
+		tc := testCases[tn]
+		t.Run(tn, func(t *testing.T) {
+			c := fake.NewClientBuilder().
+				WithScheme(scheme).
+				WithObjects(&porchapi.PackageRevision{
+					TypeMeta: metav1.TypeMeta{
+						Kind:       "PackageRevision",
+						APIVersion: porchapi.SchemeGroupVersion.Identifier(),
+					},
+					ObjectMeta: metav1.ObjectMeta{
+						Namespace: "ns",
+						Name:      pkgRevName,
+					}}).Build()
+
+			cmd := &cobra.Command{}
+			o := os.Stdout
+			e := os.Stderr
+			read, write, _ := os.Pipe()
+			os.Stdout = write
+			os.Stderr = write
+
+			r := &runner{
+				ctx: context.Background(),
+				cfg: &genericclioptions.ConfigFlags{
+					Namespace: &tc.ns,
+				},
+				client:  c,
+				Command: cmd,
+			}
+			go func() {
+				defer write.Close()
+				err := r.runE(cmd, []string{pkgRevName})
+				if err != nil && !tc.wantErr {
+					t.Errorf("unexpected error: %v", err)
+				}
+			}()
+			out, _ := io.ReadAll(read)
+			os.Stdout = o
+			os.Stderr = e
+
+			if diff := cmp.Diff(string(tc.output), string(out)); diff != "" {
+				t.Errorf("Unexpected result (-want, +got): %s", diff)
+			}
+		})
+	}
+}

pkg/cli/commands/rpkg/propose/command_test.go

@@ -0,0 +1,122 @@
+// Copyright 2022 The kpt and Nephio Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package propose
+
+import (
+	"context"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	porchapi "github.com/nephio-project/porch/api/porch/v1alpha1"
+	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+)
+
+func createScheme() (*runtime.Scheme, error) {
+	scheme := runtime.NewScheme()
+
+	for _, api := range (runtime.SchemeBuilder{
+		porchapi.AddToScheme,
+	}) {
+		if err := api(scheme); err != nil {
+			return nil, err
+		}
+	}
+	return scheme, nil
+}
+
+func TestCmd(t *testing.T) {
+	pkgRevName := "test-fjdos9u2nfe2f32"
+	ns := "ns"
+	var scheme, err = createScheme()
+	if err != nil {
+		t.Fatalf("error creating scheme: %v", err)
+	}
+	testCases := map[string]struct {
+		lc      porchapi.PackageRevisionLifecycle
+		output  string
+		wantErr bool
+	}{
+		"Package already proposed": {
+			output: pkgRevName + " is already proposed\n",
+			lc:     porchapi.PackageRevisionLifecycleProposed,
+		},
+		"Propose package": {
+			output: pkgRevName + " proposed\n",
+			lc:     porchapi.PackageRevisionLifecycleDraft,
+		},
+		"Cannot propose package": {
+			output:  "cannot propose Published package\n",
+			lc:      porchapi.PackageRevisionLifecyclePublished,
+			wantErr: true,
+		},
+	}
+
+	for tn := range testCases {
+		tc := testCases[tn]
+		t.Run(tn, func(t *testing.T) {
+			c := fake.NewClientBuilder().
+				WithScheme(scheme).
+				WithObjects(&porchapi.PackageRevision{
+					TypeMeta: metav1.TypeMeta{
+						Kind:       "PackageRevision",
+						APIVersion: porchapi.SchemeGroupVersion.Identifier(),
+					},
+					Spec: porchapi.PackageRevisionSpec{
+						Lifecycle: tc.lc,
+					},
+					ObjectMeta: metav1.ObjectMeta{
+						Namespace: ns,
+						Name:      pkgRevName,
+					},
+				}).Build()
+
+			cmd := &cobra.Command{}
+			o := os.Stdout
+			e := os.Stderr
+			read, write, _ := os.Pipe()
+			os.Stdout = write
+			os.Stderr = write
+
+			r := &runner{
+				ctx: context.Background(),
+				cfg: &genericclioptions.ConfigFlags{
+					Namespace: &ns,
+				},
+				client:  c,
+				Command: cmd,
+			}
+			go func() {
+				defer write.Close()
+				err := r.runE(cmd, []string{pkgRevName})
+				if err != nil && !tc.wantErr {
+					t.Errorf("unexpected error: %v", err)
+				}
+			}()
+			out, _ := io.ReadAll(read)
+			os.Stdout = o
+			os.Stderr = e
+
+			if diff := cmp.Diff(string(tc.output), string(out)); diff != "" {
+				t.Errorf("Unexpected result (-want, +got): %s", diff)
+			}
+		})
+	}
+}

pkg/cli/commands/rpkg/proposedelete/command_test.go

@@ -0,0 +1,127 @@
+// Copyright 2022 The kpt and Nephio Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package proposedelete
+
+import (
+	"context"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	porchapi "github.com/nephio-project/porch/api/porch/v1alpha1"
+	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+)
+
+func createScheme() (*runtime.Scheme, error) {
+	scheme := runtime.NewScheme()
+
+	for _, api := range (runtime.SchemeBuilder{
+		porchapi.AddToScheme,
+	}) {
+		if err := api(scheme); err != nil {
+			return nil, err
+		}
+	}
+	return scheme, nil
+}
+
+func TestCmd(t *testing.T) {
+	pkgRevName := "test-fjdos9u2nfe2f32"
+	var scheme, err = createScheme()
+	if err != nil {
+		t.Fatalf("error creating scheme: %v", err)
+	}
+	testCases := map[string]struct {
+		lc      porchapi.PackageRevisionLifecycle
+		output  string
+		wantErr bool
+		ns      string
+	}{
+		"Package not found in ns": {
+			ns:      "doesnotexist",
+			wantErr: true,
+		},
+		"Package not published": {
+			output:  "can only propose published packages for deletion; package " + pkgRevName + " is not published\n",
+			ns:      "ns",
+			wantErr: true,
+		},
+		"Already propose for deletion": {
+			lc:     porchapi.PackageRevisionLifecycleDeletionProposed,
+			output: pkgRevName + " is already proposed for deletion\n",
+			ns:     "ns",
+		},
+		"Propose delete package": {
+			lc:     porchapi.PackageRevisionLifecyclePublished,
+			output: pkgRevName + " proposed for deletion\n",
+			ns:     "ns",
+		},
+	}
+
+	for tn := range testCases {
+		tc := testCases[tn]
+		t.Run(tn, func(t *testing.T) {
+			c := fake.NewClientBuilder().
+				WithScheme(scheme).
+				WithObjects(&porchapi.PackageRevision{
+					TypeMeta: metav1.TypeMeta{
+						Kind:       "PackageRevision",
+						APIVersion: porchapi.SchemeGroupVersion.Identifier(),
+					},
+					Spec: porchapi.PackageRevisionSpec{
+						Lifecycle: tc.lc,
+					},
+					ObjectMeta: metav1.ObjectMeta{
+						Namespace: "ns",
+						Name:      pkgRevName,
+					}}).Build()
+
+			cmd := &cobra.Command{}
+			o := os.Stdout
+			e := os.Stderr
+			read, write, _ := os.Pipe()
+			os.Stdout = write
+			os.Stderr = write
+
+			r := &runner{
+				ctx: context.Background(),
+				cfg: &genericclioptions.ConfigFlags{
+					Namespace: &tc.ns,
+				},
+				client:  c,
+				Command: cmd,
+			}
+			go func() {
+				defer write.Close()
+				err := r.runE(cmd, []string{pkgRevName})
+				if err != nil && !tc.wantErr {
+					t.Errorf("unexpected error: %v", err)
+				}
+			}()
+			out, _ := io.ReadAll(read)
+			os.Stdout = o
+			os.Stderr = e
+
+			if diff := cmp.Diff(string(tc.output), string(out)); diff != "" {
+				t.Errorf("Unexpected result (-want, +got): %s", diff)
+			}
+		})
+	}
+}