mirror of https://github.com/spf13/viper.git
Add support to save file with no extension (#813)
* Add support to save file with no extension The support introduced for files with no file extension is only partial as trying to save the config file would fail with `<file name> requires valid extension` This adds support to saving such files
This commit is contained in:
Gustavo Bazan
GitHub
parent
b31a49291e
commit
97ee7adfef
13
viper.go
13
viper.go
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@ -1413,11 +1413,18 @@ func (v *Viper) SafeWriteConfigAs(filename string) error {
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func (v *Viper) writeConfig(filename string, force bool) error {
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jww.INFO.Println("Attempting to write configuration to file.")
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var configType string
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ext := filepath.Ext(filename)
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if len(ext) <= 1 {
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return fmt.Errorf("filename: %s requires valid extension", filename)
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if ext != "" {
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configType = ext[1:]
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} else {
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configType = v.configType
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}
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configType := ext[1:]
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if configType == "" {
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return fmt.Errorf("config type could not be determined for %s", filename)
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}
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if !stringInSlice(configType, SupportedExts) {
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return UnsupportedConfigError(configType)
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}
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370
viper_test.go
370
viper_test.go
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@ -1279,26 +1279,6 @@ var hclWriteExpected = []byte(`"foos" = {
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"type" = "donut"`)
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func TestWriteConfigHCL(t *testing.T) {
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v := New()
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fs := afero.NewMemMapFs()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("hcl")
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err := v.ReadConfig(bytes.NewBuffer(hclExample))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs("c.hcl"); err != nil {
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t.Fatal(err)
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}
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read, err := afero.ReadFile(fs, "c.hcl")
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, hclWriteExpected, read)
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}
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var jsonWriteExpected = []byte(`{
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"batters": {
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"batter": [
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@ -1322,26 +1302,6 @@ var jsonWriteExpected = []byte(`{
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"type": "donut"
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}`)
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func TestWriteConfigJson(t *testing.T) {
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v := New()
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fs := afero.NewMemMapFs()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("json")
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err := v.ReadConfig(bytes.NewBuffer(jsonExample))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs("c.json"); err != nil {
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t.Fatal(err)
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}
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read, err := afero.ReadFile(fs, "c.json")
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, jsonWriteExpected, read)
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}
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var propertiesWriteExpected = []byte(`p_id = 0001
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p_type = donut
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p_name = Cake
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@ -1349,95 +1309,6 @@ p_ppu = 0.55
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p_batters.batter.type = Regular
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`)
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func TestWriteConfigProperties(t *testing.T) {
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v := New()
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fs := afero.NewMemMapFs()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("properties")
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err := v.ReadConfig(bytes.NewBuffer(propertiesExample))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs("c.properties"); err != nil {
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t.Fatal(err)
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}
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read, err := afero.ReadFile(fs, "c.properties")
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, propertiesWriteExpected, read)
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}
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func TestWriteConfigTOML(t *testing.T) {
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fs := afero.NewMemMapFs()
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v := New()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("toml")
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err := v.ReadConfig(bytes.NewBuffer(tomlExample))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs("c.toml"); err != nil {
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t.Fatal(err)
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}
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// The TOML String method does not order the contents.
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// Therefore, we must read the generated file and compare the data.
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v2 := New()
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v2.SetFs(fs)
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v2.SetConfigName("c")
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v2.SetConfigType("toml")
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v2.SetConfigFile("c.toml")
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err = v2.ReadInConfig()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, v.GetString("title"), v2.GetString("title"))
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assert.Equal(t, v.GetString("owner.bio"), v2.GetString("owner.bio"))
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assert.Equal(t, v.GetString("owner.dob"), v2.GetString("owner.dob"))
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assert.Equal(t, v.GetString("owner.organization"), v2.GetString("owner.organization"))
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}
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var dotenvWriteExpected = []byte(`
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TITLE="DotEnv Write Example"
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NAME=Oreo
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KIND=Biscuit
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`)
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func TestWriteConfigDotEnv(t *testing.T) {
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fs := afero.NewMemMapFs()
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v := New()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("env")
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err := v.ReadConfig(bytes.NewBuffer(dotenvWriteExpected))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs("c.env"); err != nil {
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t.Fatal(err)
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}
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// The TOML String method does not order the contents.
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// Therefore, we must read the generated file and compare the data.
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v2 := New()
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v2.SetFs(fs)
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v2.SetConfigName("c")
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v2.SetConfigType("env")
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v2.SetConfigFile("c.env")
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err = v2.ReadInConfig()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, v.GetString("title"), v2.GetString("title"))
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assert.Equal(t, v.GetString("type"), v2.GetString("type"))
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assert.Equal(t, v.GetString("kind"), v2.GetString("kind"))
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}
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var yamlWriteExpected = []byte(`age: 35
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beard: true
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clothing:
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@ -1454,24 +1325,237 @@ hobbies:
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name: steve
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`)
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func TestWriteConfigYAML(t *testing.T) {
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v := New()
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func TestWriteConfig(t *testing.T) {
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fs := afero.NewMemMapFs()
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v.SetFs(fs)
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v.SetConfigName("c")
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v.SetConfigType("yaml")
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err := v.ReadConfig(bytes.NewBuffer(yamlExample))
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if err != nil {
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t.Fatal(err)
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testCases := map[string]struct {
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configName string
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inConfigType string
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outConfigType string
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fileName string
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input []byte
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expectedContent []byte
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}{
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"hcl with file extension": {
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configName: "c",
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inConfigType: "hcl",
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outConfigType: "hcl",
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fileName: "c.hcl",
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input: hclExample,
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expectedContent: hclWriteExpected,
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},
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"hcl without file extension": {
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configName: "c",
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inConfigType: "hcl",
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outConfigType: "hcl",
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fileName: "c",
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input: hclExample,
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expectedContent: hclWriteExpected,
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},
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"hcl with file extension and mismatch type": {
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configName: "c",
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inConfigType: "hcl",
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outConfigType: "json",
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fileName: "c.hcl",
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input: hclExample,
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expectedContent: hclWriteExpected,
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},
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"json with file extension": {
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configName: "c",
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inConfigType: "json",
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outConfigType: "json",
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fileName: "c.json",
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input: jsonExample,
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expectedContent: jsonWriteExpected,
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},
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"json without file extension": {
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configName: "c",
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inConfigType: "json",
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outConfigType: "json",
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fileName: "c",
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input: jsonExample,
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expectedContent: jsonWriteExpected,
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},
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"json with file extension and mismatch type": {
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configName: "c",
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inConfigType: "json",
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outConfigType: "hcl",
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fileName: "c.json",
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input: jsonExample,
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expectedContent: jsonWriteExpected,
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},
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"properties with file extension": {
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configName: "c",
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inConfigType: "properties",
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outConfigType: "properties",
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fileName: "c.properties",
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input: propertiesExample,
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expectedContent: propertiesWriteExpected,
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},
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"properties without file extension": {
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configName: "c",
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inConfigType: "properties",
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outConfigType: "properties",
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fileName: "c",
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input: propertiesExample,
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expectedContent: propertiesWriteExpected,
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},
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"yaml with file extension": {
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configName: "c",
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inConfigType: "yaml",
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outConfigType: "yaml",
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fileName: "c.yaml",
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input: yamlExample,
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expectedContent: yamlWriteExpected,
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},
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"yaml without file extension": {
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configName: "c",
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inConfigType: "yaml",
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outConfigType: "yaml",
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fileName: "c",
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input: yamlExample,
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expectedContent: yamlWriteExpected,
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},
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"yaml with file extension and mismatch type": {
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configName: "c",
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inConfigType: "yaml",
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outConfigType: "json",
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fileName: "c.yaml",
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input: yamlExample,
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expectedContent: yamlWriteExpected,
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},
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}
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if err := v.WriteConfigAs("c.yaml"); err != nil {
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t.Fatal(err)
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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v := New()
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v.SetFs(fs)
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v.SetConfigName(tc.fileName)
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v.SetConfigType(tc.inConfigType)
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err := v.ReadConfig(bytes.NewBuffer(tc.input))
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if err != nil {
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t.Fatal(err)
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}
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v.SetConfigType(tc.outConfigType)
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if err := v.WriteConfigAs(tc.fileName); err != nil {
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t.Fatal(err)
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}
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read, err := afero.ReadFile(fs, tc.fileName)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, tc.expectedContent, read)
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})
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}
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read, err := afero.ReadFile(fs, "c.yaml")
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if err != nil {
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t.Fatal(err)
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}
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func TestWriteConfigTOML(t *testing.T) {
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fs := afero.NewMemMapFs()
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testCases := map[string]struct {
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configName string
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configType string
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fileName string
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input []byte
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}{
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"with file extension": {
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configName: "c",
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configType: "toml",
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fileName: "c.toml",
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input: tomlExample,
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},
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"without file extension": {
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configName: "c",
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configType: "toml",
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fileName: "c",
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input: tomlExample,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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v := New()
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v.SetFs(fs)
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v.SetConfigName(tc.configName)
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v.SetConfigType(tc.configType)
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err := v.ReadConfig(bytes.NewBuffer(tc.input))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs(tc.fileName); err != nil {
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t.Fatal(err)
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}
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// The TOML String method does not order the contents.
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// Therefore, we must read the generated file and compare the data.
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v2 := New()
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v2.SetFs(fs)
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v2.SetConfigName(tc.configName)
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v2.SetConfigType(tc.configType)
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v2.SetConfigFile(tc.fileName)
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err = v2.ReadInConfig()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, v.GetString("title"), v2.GetString("title"))
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assert.Equal(t, v.GetString("owner.bio"), v2.GetString("owner.bio"))
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assert.Equal(t, v.GetString("owner.dob"), v2.GetString("owner.dob"))
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assert.Equal(t, v.GetString("owner.organization"), v2.GetString("owner.organization"))
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})
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}
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}
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func TestWriteConfigDotEnv(t *testing.T) {
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fs := afero.NewMemMapFs()
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testCases := map[string]struct {
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configName string
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configType string
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fileName string
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input []byte
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}{
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"with file extension": {
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configName: "c",
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configType: "env",
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fileName: "c.env",
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input: dotenvExample,
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},
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"without file extension": {
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configName: "c",
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configType: "env",
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fileName: "c",
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input: dotenvExample,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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v := New()
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v.SetFs(fs)
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v.SetConfigName(tc.configName)
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v.SetConfigType(tc.configType)
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err := v.ReadConfig(bytes.NewBuffer(tc.input))
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if err != nil {
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t.Fatal(err)
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}
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if err := v.WriteConfigAs(tc.fileName); err != nil {
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t.Fatal(err)
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}
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// The TOML String method does not order the contents.
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// Therefore, we must read the generated file and compare the data.
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v2 := New()
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v2.SetFs(fs)
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v2.SetConfigName(tc.configName)
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v2.SetConfigType(tc.configType)
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v2.SetConfigFile(tc.fileName)
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err = v2.ReadInConfig()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, v.GetString("title_dotenv"), v2.GetString("title_dotenv"))
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assert.Equal(t, v.GetString("type_dotenv"), v2.GetString("type_dotenv"))
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assert.Equal(t, v.GetString("kind_dotenv"), v2.GetString("kind_dotenv"))
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})
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}
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assert.Equal(t, yamlWriteExpected, read)
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}
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func TestSafeWriteConfig(t *testing.T) {
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