manifest: add unit tests for nerdctl manifest create

add unit tests for `nerdctl manifest create`

Signed-off-by: ChengyuZhu6 <[email protected]>

Author: ChengyuZhu6

cmd/nerdctl/manifest/manifest_create_linux_test.go

@@ -0,0 +1,135 @@
+/*
+   Copyright The containerd 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 manifest
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/containerd/nerdctl/mod/tigron/expect"
+	"github.com/containerd/nerdctl/mod/tigron/test"
+
+	"github.com/containerd/nerdctl/v2/pkg/testutil"
+	"github.com/containerd/nerdctl/v2/pkg/testutil/nerdtest"
+)
+
+func TestManifestCreateErrors(t *testing.T) {
+	testCase := nerdtest.Setup()
+	manifestListName := "test-list:v1"
+	manifestName := "example.com/alpine:latest"
+	invalidName := "invalid/name/with/special@chars"
+	testCase.SubTests = []*test.Case{
+		{
+			Description: "too-few-arguments",
+			Command:     test.Command("manifest", "create", manifestListName),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 1,
+					Errors:   []error{errors.New(data.Labels().Get("error"))},
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"error": "requires at least 2 arg",
+			}),
+		},
+		{
+			Description: "invalid-list-name",
+			Command:     test.Command("manifest", "create", invalidName, manifestName),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 1,
+					Errors:   []error{errors.New(data.Labels().Get("error"))},
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"error": "invalid reference format",
+			}),
+		},
+		{
+			Description: "invalid-manifest-reference",
+			Command:     test.Command("manifest", "create", manifestListName, invalidName),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 1,
+					Errors:   []error{errors.New(data.Labels().Get("error"))},
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"error": "invalid reference format",
+			}),
+		},
+	}
+
+	testCase.Run(t)
+}
+
+func TestManifestCreate(t *testing.T) {
+	testCase := nerdtest.Setup()
+	manifestListName := "test-list-create:v1"
+	manifestRef := testutil.GetTestImageWithoutTag("alpine") + "@" + testutil.GetTestImageManifestDigest("alpine", "linux/amd64")
+	testCase.SubTests = []*test.Case{
+		{
+			Description: "create-manifest-list",
+			Command:     test.Command("manifest", "create", manifestListName, manifestRef),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 0,
+					Output:   expect.Contains(data.Labels().Get("output")),
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"output": "Created manifest list ",
+			}),
+		},
+		{
+			Description: "create-existed-manifest-list-without-amend-flag",
+			Setup: func(data test.Data, helpers test.Helpers) {
+				cmd := helpers.Command("manifest", "create", manifestListName+"-without-amend-flag", manifestRef)
+				cmd.Run(&test.Expected{ExitCode: 0})
+			},
+			Command: test.Command("manifest", "create", manifestListName+"-without-amend-flag", manifestRef),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 1,
+					Errors:   []error{errors.New(data.Labels().Get("error"))},
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"error": "refusing to amend an existing manifest list with no --amend flag",
+			}),
+		},
+		{
+			Description: "create-manifest-list-with-amend-flag",
+			Setup: func(data test.Data, helpers test.Helpers) {
+				cmd := helpers.Command("manifest", "create", manifestListName+"-with-amend-flag", manifestRef)
+				cmd.Run(&test.Expected{ExitCode: 0})
+			},
+			Command: test.Command("manifest", "create", "--amend", manifestListName+"-with-amend-flag", manifestRef),
+			Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+				return &test.Expected{
+					ExitCode: 0,
+					Output:   expect.Contains(data.Labels().Get("output")),
+				}
+			},
+			Data: test.WithLabels(map[string]string{
+				"output": "Created manifest list",
+			}),
+		},
+	}
+
+	testCase.Run(t)
+}