DockerCLI/cli/command/plugin/create_test.go

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package plugin
import (
"fmt"
"io"
"io/ioutil"
"runtime"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/fs"
)
func TestCreateErrors(t *testing.T) {
noSuchFile := "no such file or directory"
if runtime.GOOS == "windows" {
noSuchFile = "The system cannot find the file specified."
}
testCases := []struct {
args []string
expectedError string
}{
{
args: []string{},
expectedError: "requires at least 2 arguments",
},
{
args: []string{"INVALID_TAG", "context-dir"},
expectedError: "invalid",
},
{
args: []string{"plugin-foo", "nonexistent_context_dir"},
expectedError: noSuchFile,
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{})
cmd := newCreateCommand(cli)
cmd.SetArgs(tc.args)
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestCreateErrorOnFileAsContextDir(t *testing.T) {
tmpFile := fs.NewFile(t, "file-as-context-dir")
defer tmpFile.Remove()
cli := test.NewFakeCli(&fakeClient{})
cmd := newCreateCommand(cli)
cmd.SetArgs([]string{"plugin-foo", tmpFile.Path()})
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), "context must be a directory")
}
func TestCreateErrorOnContextDirWithoutConfig(t *testing.T) {
tmpDir := fs.NewDir(t, "plugin-create-test")
defer tmpDir.Remove()
cli := test.NewFakeCli(&fakeClient{})
cmd := newCreateCommand(cli)
cmd.SetArgs([]string{"plugin-foo", tmpDir.Path()})
cmd.SetOutput(ioutil.Discard)
expectedErr := "config.json: no such file or directory"
if runtime.GOOS == "windows" {
expectedErr = "config.json: The system cannot find the file specified."
}
assert.ErrorContains(t, cmd.Execute(), expectedErr)
}
func TestCreateErrorOnInvalidConfig(t *testing.T) {
tmpDir := fs.NewDir(t, "plugin-create-test",
fs.WithDir("rootfs"),
fs.WithFile("config.json", "invalid-config-contents"))
defer tmpDir.Remove()
cli := test.NewFakeCli(&fakeClient{})
cmd := newCreateCommand(cli)
cmd.SetArgs([]string{"plugin-foo", tmpDir.Path()})
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), "invalid")
}
func TestCreateErrorFromDaemon(t *testing.T) {
tmpDir := fs.NewDir(t, "plugin-create-test",
fs.WithDir("rootfs"),
fs.WithFile("config.json", `{ "Name": "plugin-foo" }`))
defer tmpDir.Remove()
cli := test.NewFakeCli(&fakeClient{
pluginCreateFunc: func(createContext io.Reader, createOptions types.PluginCreateOptions) error {
return fmt.Errorf("Error creating plugin")
},
})
cmd := newCreateCommand(cli)
cmd.SetArgs([]string{"plugin-foo", tmpDir.Path()})
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), "Error creating plugin")
}
func TestCreatePlugin(t *testing.T) {
tmpDir := fs.NewDir(t, "plugin-create-test",
fs.WithDir("rootfs"),
fs.WithFile("config.json", `{ "Name": "plugin-foo" }`))
defer tmpDir.Remove()
cli := test.NewFakeCli(&fakeClient{
pluginCreateFunc: func(createContext io.Reader, createOptions types.PluginCreateOptions) error {
return nil
},
})
cmd := newCreateCommand(cli)
cmd.SetArgs([]string{"plugin-foo", tmpDir.Path()})
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("plugin-foo\n", cli.OutBuffer().String()))
}