mirror of
https://github.com/rclone/rclone.git
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365 lines
9.0 KiB
Go
365 lines
9.0 KiB
Go
package configfile
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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"github.com/rclone/rclone/fs/config"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var configData = `[one]
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type = number1
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fruit = potato
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[two]
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type = number2
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fruit = apple
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topping = nuts
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[three]
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type = number3
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fruit = banana
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`
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// Fill up a temporary config file with the testdata filename passed in
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func setConfigFile(t *testing.T, data string) func() {
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out, err := os.CreateTemp("", "rclone-configfile-test")
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require.NoError(t, err)
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filePath := out.Name()
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_, err = out.Write([]byte(data))
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require.NoError(t, err)
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require.NoError(t, out.Close())
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old := config.GetConfigPath()
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assert.NoError(t, config.SetConfigPath(filePath))
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return func() {
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assert.NoError(t, config.SetConfigPath(old))
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_ = os.Remove(filePath)
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}
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}
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// toUnix converts \r\n to \n in buf
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func toUnix(buf string) string {
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if runtime.GOOS == "windows" {
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return strings.ReplaceAll(buf, "\r\n", "\n")
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}
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return buf
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}
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func TestConfigFile(t *testing.T) {
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defer setConfigFile(t, configData)()
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data := &Storage{}
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require.NoError(t, data.Load())
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t.Run("Read", func(t *testing.T) {
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t.Run("Serialize", func(t *testing.T) {
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buf, err := data.Serialize()
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require.NoError(t, err)
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assert.Equal(t, configData, toUnix(buf))
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})
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t.Run("HasSection", func(t *testing.T) {
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assert.True(t, data.HasSection("one"))
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assert.False(t, data.HasSection("missing"))
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})
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t.Run("GetSectionList", func(t *testing.T) {
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assert.Equal(t, []string{
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"one",
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"two",
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"three",
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}, data.GetSectionList())
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})
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t.Run("GetKeyList", func(t *testing.T) {
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assert.Equal(t, []string{
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"type",
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"fruit",
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"topping",
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}, data.GetKeyList("two"))
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assert.Equal(t, []string(nil), data.GetKeyList("unicorn"))
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})
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t.Run("GetValue", func(t *testing.T) {
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value, ok := data.GetValue("one", "type")
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assert.True(t, ok)
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assert.Equal(t, "number1", value)
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value, ok = data.GetValue("three", "fruit")
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assert.True(t, ok)
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assert.Equal(t, "banana", value)
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value, ok = data.GetValue("one", "typeX")
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assert.False(t, ok)
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assert.Equal(t, "", value)
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value, ok = data.GetValue("threeX", "fruit")
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assert.False(t, ok)
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assert.Equal(t, "", value)
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})
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})
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//defer setConfigFile(configData)()
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t.Run("Write", func(t *testing.T) {
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t.Run("SetValue", func(t *testing.T) {
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data.SetValue("one", "extra", "42")
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data.SetValue("two", "fruit", "acorn")
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buf, err := data.Serialize()
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require.NoError(t, err)
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assert.Equal(t, `[one]
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type = number1
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fruit = potato
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extra = 42
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[two]
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type = number2
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fruit = acorn
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topping = nuts
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[three]
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type = number3
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fruit = banana
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`, toUnix(buf))
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t.Run("DeleteKey", func(t *testing.T) {
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data.DeleteKey("one", "type")
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data.DeleteKey("two", "missing")
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data.DeleteKey("three", "fruit")
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buf, err := data.Serialize()
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require.NoError(t, err)
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assert.Equal(t, `[one]
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fruit = potato
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extra = 42
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[two]
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type = number2
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fruit = acorn
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topping = nuts
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[three]
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type = number3
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`, toUnix(buf))
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t.Run("DeleteSection", func(t *testing.T) {
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data.DeleteSection("two")
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data.DeleteSection("missing")
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buf, err := data.Serialize()
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require.NoError(t, err)
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assert.Equal(t, `[one]
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fruit = potato
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extra = 42
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[three]
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type = number3
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`, toUnix(buf))
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t.Run("Save", func(t *testing.T) {
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require.NoError(t, data.Save())
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buf, err := os.ReadFile(config.GetConfigPath())
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require.NoError(t, err)
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assert.Equal(t, `[one]
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fruit = potato
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extra = 42
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[three]
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type = number3
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`, toUnix(string(buf)))
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})
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})
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})
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})
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})
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}
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func TestConfigFileReload(t *testing.T) {
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defer setConfigFile(t, configData)()
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data := &Storage{}
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require.NoError(t, data.Load())
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value, ok := data.GetValue("three", "appended")
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assert.False(t, ok)
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assert.Equal(t, "", value)
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// Now write a new value on the end
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out, err := os.OpenFile(config.GetConfigPath(), os.O_APPEND|os.O_WRONLY, 0777)
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require.NoError(t, err)
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_, err = fmt.Fprintln(out, "appended = what magic")
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require.NoError(t, err)
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require.NoError(t, out.Close())
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// And check we magically reloaded it
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value, ok = data.GetValue("three", "appended")
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assert.True(t, ok)
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assert.Equal(t, "what magic", value)
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}
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func TestConfigFileDoesNotExist(t *testing.T) {
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defer setConfigFile(t, configData)()
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data := &Storage{}
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require.NoError(t, os.Remove(config.GetConfigPath()))
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err := data.Load()
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require.Equal(t, config.ErrorConfigFileNotFound, err)
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// check that using data doesn't crash
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value, ok := data.GetValue("three", "appended")
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assert.False(t, ok)
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assert.Equal(t, "", value)
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}
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func testConfigFileNoConfig(t *testing.T, configPath string) {
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assert.NoError(t, config.SetConfigPath(configPath))
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data := &Storage{}
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err := data.Load()
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require.Equal(t, config.ErrorConfigFileNotFound, err)
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data.SetValue("one", "extra", "42")
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value, ok := data.GetValue("one", "extra")
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assert.True(t, ok)
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assert.Equal(t, "42", value)
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err = data.Save()
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require.Error(t, err)
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}
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func TestConfigFileNoConfig(t *testing.T) {
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old := config.GetConfigPath()
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defer func() {
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assert.NoError(t, config.SetConfigPath(old))
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}()
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t.Run("Empty", func(t *testing.T) {
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testConfigFileNoConfig(t, "")
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})
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t.Run("NotFound", func(t *testing.T) {
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testConfigFileNoConfig(t, "/notfound")
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})
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}
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func TestConfigFileSave(t *testing.T) {
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testDir := t.TempDir()
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configPath := filepath.Join(testDir, "a", "b", "c", "configfile")
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assert.NoError(t, config.SetConfigPath(configPath))
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data := &Storage{}
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require.Error(t, data.Load(), config.ErrorConfigFileNotFound)
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t.Run("CreatesDirsAndFile", func(t *testing.T) {
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err := data.Save()
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require.NoError(t, err)
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info, err := os.Stat(configPath)
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require.NoError(t, err)
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assert.False(t, info.IsDir())
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})
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t.Run("KeepsFileMode", func(t *testing.T) {
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if runtime.GOOS != "linux" {
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t.Skip("this is a Linux only test")
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}
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assert.NoError(t, os.Chmod(configPath, 0400)) // -r--------
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defer func() {
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_ = os.Chmod(configPath, 0644) // -rw-r--r--
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}()
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err := data.Save()
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require.NoError(t, err)
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info, err := os.Stat(configPath)
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require.NoError(t, err)
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assert.Equal(t, os.FileMode(0400), info.Mode().Perm())
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})
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t.Run("SucceedsEvenIfReadOnlyFile", func(t *testing.T) {
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// Save succeeds even if file is read-only since it does not write directly to the file.
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assert.NoError(t, os.Chmod(configPath, 0400)) // -r--------
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defer func() {
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_ = os.Chmod(configPath, 0644) // -rw-r--r--
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}()
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err := data.Save()
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assert.NoError(t, err)
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})
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t.Run("FailsIfNotAccessToDir", func(t *testing.T) {
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// Save fails if no access to the directory.
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if runtime.GOOS != "linux" {
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// On Windows the os.Chmod only affects the read-only attribute of files)
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t.Skip("this is a Linux only test")
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}
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configDir := filepath.Dir(configPath)
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assert.NoError(t, os.Chmod(configDir, 0400)) // -r--------
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defer func() {
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_ = os.Chmod(configDir, 0755) // -rwxr-xr-x
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}()
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err := data.Save()
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require.Error(t, err)
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assert.True(t, strings.HasPrefix(err.Error(), "failed to resolve config file path"))
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})
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t.Run("FailsIfNotAllowedToCreateNewFiles", func(t *testing.T) {
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// Save fails if read-only access to the directory, since it needs to create temporary files in there.
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if runtime.GOOS != "linux" {
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// On Windows the os.Chmod only affects the read-only attribute of files)
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t.Skip("this is a Linux only test")
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}
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configDir := filepath.Dir(configPath)
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assert.NoError(t, os.Chmod(configDir, 0544)) // -r-xr--r--
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defer func() {
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_ = os.Chmod(configDir, 0755) // -rwxr-xr-x
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}()
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err := data.Save()
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require.Error(t, err)
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assert.True(t, strings.HasPrefix(err.Error(), "failed to create temp file for new config"))
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})
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}
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func TestConfigFileSaveSymlinkAbsolute(t *testing.T) {
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if runtime.GOOS != "linux" {
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// Symlinks may require admin privileges on Windows and os.Symlink will then
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// fail with "A required privilege is not held by the client."
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t.Skip("this is a Linux only test")
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}
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testDir := t.TempDir()
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linkDir := filepath.Join(testDir, "a")
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err := os.Mkdir(linkDir, os.ModePerm)
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require.NoError(t, err)
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testSymlink := func(t *testing.T, link string, target string, resolvedTarget string) {
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err = os.Symlink(target, link)
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require.NoError(t, err)
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defer func() {
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_ = os.Remove(link)
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}()
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assert.NoError(t, config.SetConfigPath(link))
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data := &Storage{}
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require.Error(t, data.Load(), config.ErrorConfigFileNotFound)
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err = data.Save()
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require.NoError(t, err)
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info, err := os.Lstat(link)
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require.NoError(t, err)
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assert.True(t, info.Mode()&os.ModeSymlink != 0)
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assert.False(t, info.IsDir())
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info, err = os.Lstat(resolvedTarget)
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require.NoError(t, err)
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assert.False(t, info.IsDir())
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}
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t.Run("Absolute", func(t *testing.T) {
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link := filepath.Join(linkDir, "configfilelink")
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target := filepath.Join(testDir, "b", "configfiletarget")
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testSymlink(t, link, target, target)
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})
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t.Run("Relative", func(t *testing.T) {
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link := filepath.Join(linkDir, "configfilelink")
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target := filepath.Join("b", "c", "configfiletarget")
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resolvedTarget := filepath.Join(filepath.Dir(link), target)
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testSymlink(t, link, target, resolvedTarget)
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})
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}
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