init_test.go 2.73 KB
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// Copyright 2018 The kubecfg 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.

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package cmd

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import (
	"os"
	"path/filepath"
	"testing"

	"github.com/spf13/afero"
	"github.com/spf13/cobra"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func withCmd(t *testing.T, cmd *cobra.Command, id initName, override interface{}, fn func()) {
	ogAction := actionMap[id]
	actionMap[id] = override

	envConfig := os.Getenv("KUBECONFIG")

	defer func() {
		actionMap[id] = ogAction
		os.Setenv("KUBECONFIG", envConfig)
	}()

	fn()
}

func Test_initCmd(t *testing.T) {
	override := func(fs afero.Fs, name, root, specFlag, server, namespace string) error {
		wd, err := os.Getwd()
		require.NoError(t, err)

		appRoot := filepath.Join(wd, "app")

		assert.Equal(t, "new-namespace", namespace)
		assert.Equal(t, appRoot, root)
		assert.Equal(t, "app", name)
		return nil
	}

	withCmd(t, initCmd, actionInit, override, func() {
		args := []string{"init", "app", "--namespace", "new-namespace", "--server", "http://127.0.0.1"}
		RootCmd.SetArgs(args)

		err := RootCmd.Execute()
		require.NoError(t, err)
	})
}
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func Test_genKsRoot(t *testing.T) {
	cases := []struct {
		name     string
		appName  string
		ksDir    string
		wd       string
		expected string
		isErr    bool
	}{
		{name: "no wd", appName: "app", ksDir: "/root", expected: "/root/app"},
		{name: "with abs wd", appName: "app", ksDir: "/root", wd: "/custom", expected: "/custom"},
		{name: "with rel wd #1", appName: "app", ksDir: "/root", wd: "./custom", expected: "/root/custom"},
		{name: "with rel wd #2", appName: "app", ksDir: "/root", wd: "custom", expected: "/root/custom"},
		{name: "with rel wd #2", appName: "app", ksDir: "/root", wd: "../custom", expected: "/custom"},
		{name: "missing ksDir", appName: "app", wd: "./custom", isErr: true},
		{name: "missing appName and wd", ksDir: "/root", isErr: true},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			got, err := genKsRoot(tc.appName, tc.ksDir, tc.wd)
			if tc.isErr {
				if err == nil {
					t.Errorf("genKsRoot expected error, but none was received")
				}
			} else {
				if got != tc.expected {
					t.Errorf("genKsRoot got %q; expected %q", got, tc.expected)
				}
			}
		})
	}
}