Builder tests rewrite

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

cmd/nerdctl/builder/builder_build_oci_layout_test.go

@@ -0,0 +1,107 @@
+/*
+ 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 builder
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "strings"
+ "testing"
+
+ "gotest.tools/v3/assert"
+
+ "github.com/containerd/nerdctl/v2/pkg/testutil"
+ "github.com/containerd/nerdctl/v2/pkg/testutil/nerdtest"
+ "github.com/containerd/nerdctl/v2/pkg/testutil/test"
+)
+
+func TestBuildContextWithOCILayout(t *testing.T) {
+ nerdtest.Setup()
+
+ var dockerBuilderArgs []string
+
+ testCase := &test.Case{
+ Require: test.Require(
+ nerdtest.Build,
+ test.Not(test.Windows),
+ ),
+ Cleanup: func(data test.Data, helpers test.Helpers) {
+ if nerdtest.IsDocker() {
+ helpers.Anyhow("buildx", "stop", data.Identifier("-container"))
+ helpers.Anyhow("buildx", "rm", "--force", data.Identifier("-container"))
+ }
+ helpers.Anyhow("rmi", "-f", data.Identifier("-parent"))
+ helpers.Anyhow("rmi", "-f", data.Identifier("-child"))
+ },
+ Setup: func(data test.Data, helpers test.Helpers) {
+ // Default docker driver does not support OCI exporter.
+ // Reference: https://docs.docker.com/build/exporters/oci-docker/
+ if nerdtest.IsDocker() {
+ name := data.Identifier("-container")
+ helpers.Ensure("buildx", "create", "--name", name, "--driver=docker-container")
+ dockerBuilderArgs = []string{"buildx", "--builder", name}
+ }
+
+ dockerfile := fmt.Sprintf(`FROM %s
+LABEL layer=oci-layout-parent
+CMD ["echo", "test-nerdctl-build-context-oci-layout-parent"]`, testutil.CommonImage)
+
+ buildCtx := data.TempDir()
+ err := os.WriteFile(filepath.Join(buildCtx, "Dockerfile"), []byte(dockerfile), 0o600)
+ assert.NilError(helpers.T(), err)
+
+ tarPath := filepath.Join(buildCtx, "parent.tar")
+ dest := filepath.Join(buildCtx, "parent")
+ assert.NilError(helpers.T(), os.MkdirAll(dest, 0o700))
+ helpers.Ensure("build", buildCtx, "--tag", data.Identifier("-parent"))
+ helpers.Ensure("image", "save", "--output", tarPath, data.Identifier("-parent"))
+ helpers.Custom("tar", "Cxf", dest, tarPath).Run(&test.Expected{})
+ },
+
+ Command: func(data test.Data, helpers test.Helpers) test.TestableCommand {
+ dockerfile := `FROM parent
+CMD ["echo", "test-nerdctl-build-context-oci-layout"]`
+
+ buildCtx := data.TempDir()
+ err := os.WriteFile(filepath.Join(buildCtx, "Dockerfile"), []byte(dockerfile), 0o600)
+ assert.NilError(helpers.T(), err)
+
+ var cmd test.TestableCommand
+ if nerdtest.IsDocker() {
+ cmd = helpers.Command(dockerBuilderArgs...)
+ } else {
+ cmd = helpers.Command()
+ }
+ cmd.WithArgs("build", buildCtx, fmt.Sprintf("--build-context=parent=oci-layout://%s", filepath.Join(buildCtx, "parent")), "--tag", data.Identifier("-child"))
+ if nerdtest.IsDocker() {
+ // Need to load the container image from the builder to be able to run it.
+ cmd.WithArgs("--load")
+ }
+ return cmd
+ },
+ Expected: func(data test.Data, helpers test.Helpers) *test.Expected {
+ return &test.Expected{
+ Output: func(stdout string, info string, t *testing.T) {
+ assert.Assert(t, strings.Contains(helpers.Capture("run", "--rm", data.Identifier("-child")), "test-nerdctl-build-context-oci-layout"), info)
+ },
+ }
+ },
+ }
+
+ testCase.Run(t)
+}