Function TestBuildWithBuilder

cmd/docker/builder_test.go:24–122

(t *testing.T)

var pluginFilename = "docker-buildx"

func TestBuildWithBuilder(t *testing.T) {
	ctx := t.Context()

	testcases := []struct {
		name         string
		context      string
		builder      string
		alias        bool
		expectedEnvs []string
	}{
		{
			name:         "default",
			context:      "default",
			alias:        false,
			expectedEnvs: []string{"BUILDX_BUILDER=default"},
		},
		{
			name:         "custom context",
			context:      "foo",
			alias:        false,
			expectedEnvs: []string{"BUILDX_BUILDER=foo"},
		},
		{
			name:         "custom builder name",
			builder:      "mybuilder",
			alias:        false,
			expectedEnvs: nil,
		},
		{
			name:         "buildx install",
			alias:        true,
			expectedEnvs: nil,
		},
	}

	dir := fs.NewDir(t, t.Name(),
		fs.WithFile(pluginFilename, `#!/bin/sh
echo '{"SchemaVersion":"0.1.0","Vendor":"Docker Inc.","Version":"v0.6.3","ShortDescription":"Build with BuildKit"}'`, fs.WithMode(0o777)),
	)
	defer dir.Remove()

	for _, tc := range testcases {
		t.Run(tc.name, func(t *testing.T) {
			ctx2, cancel2 := context.WithCancel(ctx)
			defer cancel2()

			if tc.builder != "" {
				t.Setenv("BUILDX_BUILDER", tc.builder)
			}

			var b bytes.Buffer
			dockerCli, err := command.NewDockerCli(
				command.WithBaseContext(ctx2),
				command.WithAPIClient(&fakeClient{}),
				command.WithInputStream(discard),
				command.WithCombinedStreams(&b),
			)
			assert.NilError(t, err)