client/pkg/kn/commands/plugin/plugin_list_test.go

241 lines
7.3 KiB
Go

// Copyright © 2018 The Knative 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 plugin
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"github.com/knative/client/pkg/kn/commands"
"github.com/spf13/cobra"
"gotest.tools/assert"
)
func TestPluginList(t *testing.T) {
var (
rootCmd, pluginCmd, pluginListCmd *cobra.Command
tmpPathDir, pluginsDir, pluginsDirFlag string
err error
)
setup := func(t *testing.T) {
knParams := &commands.KnParams{}
pluginCmd = NewPluginCommand(knParams)
assert.Assert(t, pluginCmd != nil)
rootCmd, _, _ = commands.CreateTestKnCommand(pluginCmd, knParams)
assert.Assert(t, rootCmd != nil)
pluginListCmd = FindSubCommand(t, pluginCmd, "list")
assert.Assert(t, pluginListCmd != nil)
tmpPathDir, err = ioutil.TempDir("", "plugin_list")
assert.Assert(t, err == nil)
pluginsDir = filepath.Join(tmpPathDir, "plugins")
pluginsDirFlag = fmt.Sprintf("--plugins-dir=%s", pluginsDir)
}
cleanup := func(t *testing.T) {
err = os.RemoveAll(tmpPathDir)
assert.Assert(t, err == nil)
}
t.Run("creates a new cobra.Command", func(t *testing.T) {
setup(t)
defer cleanup(t)
assert.Assert(t, pluginListCmd != nil)
assert.Assert(t, pluginListCmd.Use == "list")
assert.Assert(t, pluginListCmd.Short == "List all visible plugin executables")
assert.Assert(t, strings.Contains(pluginListCmd.Long, "List all visible plugin executables"))
assert.Assert(t, pluginListCmd.Flags().Lookup("plugins-dir") != nil)
assert.Assert(t, pluginListCmd.RunE != nil)
})
t.Run("when pluginsDir does not include any plugins", func(t *testing.T) {
t.Run("when --lookup-plugins-in-path is true", func(t *testing.T) {
var pluginPath string
beforeEach := func(t *testing.T) {
err = os.Setenv("PATH", tmpPathDir)
assert.Assert(t, err == nil)
}
t.Run("no plugins installed", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
t.Run("warns user that no plugins found", func(t *testing.T) {
rootCmd.SetArgs([]string{"plugin", "list", "--lookup-plugins-in-path=true", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err != nil)
assert.Assert(t, strings.Contains(err.Error(), "warning: unable to find any kn plugins in your plugin path:"))
})
})
t.Run("plugins installed", func(t *testing.T) {
t.Run("with valid plugin in $PATH", func(t *testing.T) {
beforeEach := func(t *testing.T) {
pluginPath = CreateTestPluginInPath(t, KnTestPluginName, KnTestPluginScript, FileModeExecutable, tmpPathDir)
assert.Assert(t, pluginPath != "")
err = os.Setenv("PATH", tmpPathDir)
assert.Assert(t, err == nil)
}
t.Run("list plugins in $PATH", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
commands.CaptureStdout(t)
rootCmd.SetArgs([]string{"plugin", "list", "--lookup-plugins-in-path=true", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err == nil)
})
})
t.Run("with non-executable plugin", func(t *testing.T) {
beforeEach := func(t *testing.T) {
pluginPath = CreateTestPluginInPath(t, KnTestPluginName, KnTestPluginScript, FileModeReadable, tmpPathDir)
assert.Assert(t, pluginPath != "")
}
t.Run("warns user plugin invalid", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
rootCmd.SetArgs([]string{"plugin", "list", "--lookup-plugins-in-path=true", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err != nil)
assert.Assert(t, strings.Contains(err.Error(), "warning: unable to find any kn plugins in your plugin path:"))
})
})
t.Run("with plugins with same name", func(t *testing.T) {
var tmpPathDir2 string
beforeEach := func(t *testing.T) {
pluginPath = CreateTestPluginInPath(t, KnTestPluginName, KnTestPluginScript, FileModeExecutable, tmpPathDir)
assert.Assert(t, pluginPath != "")
tmpPathDir2, err = ioutil.TempDir("", "plugins_list")
assert.Assert(t, err == nil)
err = os.Setenv("PATH", tmpPathDir+string(os.PathListSeparator)+tmpPathDir2)
assert.Assert(t, err == nil)
pluginPath = CreateTestPluginInPath(t, KnTestPluginName, KnTestPluginScript, FileModeExecutable, tmpPathDir2)
assert.Assert(t, pluginPath != "")
}
afterEach := func(t *testing.T) {
err = os.RemoveAll(tmpPathDir)
assert.Assert(t, err == nil)
err = os.RemoveAll(tmpPathDir2)
assert.Assert(t, err == nil)
}
t.Run("warns user about second (in $PATH) plugin shadowing first", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
defer afterEach(t)
rootCmd.SetArgs([]string{"plugin", "list", "--lookup-plugins-in-path=true", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err != nil)
assert.Assert(t, strings.Contains(err.Error(), "error: one plugin warning was found"))
})
})
t.Run("with plugins with name of existing command", func(t *testing.T) {
var fakeCmd *cobra.Command
beforeEach := func(t *testing.T) {
fakeCmd = &cobra.Command{
Use: "fake",
}
rootCmd.AddCommand(fakeCmd)
pluginPath = CreateTestPluginInPath(t, "kn-fake", KnTestPluginScript, FileModeExecutable, tmpPathDir)
assert.Assert(t, pluginPath != "")
err = os.Setenv("PATH", tmpPathDir)
assert.Assert(t, err == nil)
}
afterEach := func(t *testing.T) {
rootCmd.RemoveCommand(fakeCmd)
}
t.Run("warns user about overwritting exising command", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
defer afterEach(t)
rootCmd.SetArgs([]string{"plugin", "list", "--lookup-plugins-in-path=true", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err != nil)
assert.Assert(t, strings.Contains(err.Error(), "error: one plugin warning was found"))
})
})
})
})
})
t.Run("when pluginsDir has plugins", func(t *testing.T) {
var pluginPath string
beforeEach := func(t *testing.T) {
pluginPath = CreateTestPluginInPath(t, KnTestPluginName, KnTestPluginScript, FileModeExecutable, tmpPathDir)
assert.Assert(t, pluginPath != "")
err = os.Setenv("PATH", "")
assert.Assert(t, err == nil)
pluginsDirFlag = fmt.Sprintf("--plugins-dir=%s", tmpPathDir)
}
t.Run("list plugins in --plugins-dir", func(t *testing.T) {
setup(t)
defer cleanup(t)
beforeEach(t)
rootCmd.SetArgs([]string{"plugin", "list", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err == nil)
})
t.Run("no plugins installed", func(t *testing.T) {
setup(t)
defer cleanup(t)
rootCmd.SetArgs([]string{"plugin", "list", pluginsDirFlag})
err = rootCmd.Execute()
assert.Assert(t, err != nil)
})
})
}