132 lines
4.4 KiB
Go
132 lines
4.4 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package environment
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/spf13/cobra"
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"github.com/stretchr/testify/assert"
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"opendev.org/airship/airshipctl/pkg/config"
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"opendev.org/airship/airshipctl/testutil"
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)
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func TestInitFlags(t *testing.T) {
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// Get the Environment
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settings := &AirshipCTLSettings{}
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testCmd := &cobra.Command{}
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settings.InitFlags(testCmd)
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assert.True(t, testCmd.HasPersistentFlags())
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}
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func TestInitConfig(t *testing.T) {
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t.Run("DefaultToHomeDirectory", func(subTest *testing.T) {
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// Set up a fake $HOME directory
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testDir, cleanup := testutil.TempDir(t, "test-home")
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defer cleanup(t)
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defer setHome(testDir)()
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var testSettings AirshipCTLSettings
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expectedAirshipConfig := filepath.Join(testDir, config.AirshipConfigDir, config.AirshipConfig)
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expectedKubeConfig := filepath.Join(testDir, config.AirshipConfigDir, config.AirshipKubeConfig)
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testSettings.InitConfig()
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assert.Equal(t, expectedAirshipConfig, testSettings.AirshipConfigPath())
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assert.Equal(t, expectedKubeConfig, testSettings.KubeConfigPath())
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})
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t.Run("PreferEnvToDefault", func(subTest *testing.T) {
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// Set up a fake $HOME directory
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testDir, cleanup := testutil.TempDir(t, "test-home")
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defer cleanup(t)
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defer setHome(testDir)()
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var testSettings AirshipCTLSettings
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expectedAirshipConfig := filepath.Join(testDir, "airshipEnv")
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expectedKubeConfig := filepath.Join(testDir, "kubeEnv")
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os.Setenv(config.AirshipConfigEnv, expectedAirshipConfig)
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os.Setenv(config.AirshipKubeConfigEnv, expectedKubeConfig)
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defer os.Unsetenv(config.AirshipConfigEnv)
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defer os.Unsetenv(config.AirshipKubeConfigEnv)
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testSettings.InitConfig()
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assert.Equal(t, expectedAirshipConfig, testSettings.AirshipConfigPath())
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assert.Equal(t, expectedKubeConfig, testSettings.KubeConfigPath())
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})
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t.Run("PreferCmdLineArgToDefault", func(subTest *testing.T) {
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// Set up a fake $HOME directory
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testDir, cleanup := testutil.TempDir(t, "test-home")
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defer cleanup(t)
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defer setHome(testDir)()
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var testSettings AirshipCTLSettings
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expectedAirshipConfig := filepath.Join(testDir, "airshipCmdLine")
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expectedKubeConfig := filepath.Join(testDir, "kubeCmdLine")
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testSettings.SetAirshipConfigPath(expectedAirshipConfig)
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testSettings.SetKubeConfigPath(expectedKubeConfig)
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// InitConfig should not change any values
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testSettings.InitConfig()
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assert.Equal(t, expectedAirshipConfig, testSettings.AirshipConfigPath())
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assert.Equal(t, expectedKubeConfig, testSettings.KubeConfigPath())
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})
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t.Run("PreferCmdLineArgToEnv", func(subTest *testing.T) {
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// Set up a fake $HOME directory
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testDir, cleanup := testutil.TempDir(t, "test-home")
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defer cleanup(t)
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defer setHome(testDir)()
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var testSettings AirshipCTLSettings
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expectedAirshipConfig := filepath.Join(testDir, "airshipCmdLine")
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expectedKubeConfig := filepath.Join(testDir, "kubeCmdLine")
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// set up "decoy" environment variables. These should be
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// ignored, since we're simulating passing in command line
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// arguments
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wrongAirshipConfig := filepath.Join(testDir, "wrongAirshipConfig")
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wrongKubeConfig := filepath.Join(testDir, "wrongKubeConfig")
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os.Setenv(config.AirshipConfigEnv, wrongAirshipConfig)
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os.Setenv(config.AirshipKubeConfigEnv, wrongKubeConfig)
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defer os.Unsetenv(config.AirshipConfigEnv)
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defer os.Unsetenv(config.AirshipKubeConfigEnv)
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testSettings.SetAirshipConfigPath(expectedAirshipConfig)
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testSettings.SetKubeConfigPath(expectedKubeConfig)
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testSettings.InitConfig()
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assert.Equal(t, expectedAirshipConfig, testSettings.AirshipConfigPath())
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assert.Equal(t, expectedKubeConfig, testSettings.KubeConfigPath())
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})
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}
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// setHome sets the HOME environment variable to `path`, and returns a function
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// that can be used to reset HOME to its original value
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func setHome(path string) (resetHome func()) {
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oldHome := os.Getenv("HOME")
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os.Setenv("HOME", path)
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return func() {
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os.Setenv("HOME", oldHome)
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}
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}
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