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Merge pull request #18 from friendsofgo/config_file
Allow to run mock server via config file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package killgrave | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "os" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "gopkg.in/yaml.v2" | ||
| ) | ||
|
|
||
| // Config representation of config file yaml | ||
| type Config struct { | ||
| ImpostersPath string `yaml:"imposters_path"` | ||
| Port int `yaml:"port"` | ||
| Host string `yaml:"host"` | ||
| CORS ConfigCORS `yaml:"cors"` | ||
| } | ||
|
|
||
| // ConfigCORS representation of section CORS of the yaml | ||
| type ConfigCORS struct { | ||
| Methods []string `yaml:"methods"` | ||
| Headers []string `yaml:"headers"` | ||
| Origins []string `yaml:"origins"` | ||
| ExposedHeaders []string `yaml:"exposed_headers"` | ||
| AllowCredentials bool `yaml:"allow_credentials"` | ||
| } | ||
|
|
||
| // ReadConfigFile unmarshal content of config file to Config struct | ||
| func ReadConfigFile(path string, config *Config) error { | ||
| configFile, err := os.Open(path) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "error trying to read config file: %s", path) | ||
| } | ||
| defer configFile.Close() | ||
|
|
||
| bytes, _ := ioutil.ReadAll(configFile) | ||
| if err := yaml.Unmarshal(bytes, config); err != nil { | ||
| return errors.Wrapf(err, "error while unmarshall configFile file %s", path) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package killgrave | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "testing" | ||
|
|
||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
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| func TestReadConfigFile(t *testing.T) { | ||
| tests := map[string]struct { | ||
| input string | ||
| expected Config | ||
| err error | ||
| }{ | ||
| "valid config file": {"test/testdata/config.yml", validConfig(), nil}, | ||
| "file not found": {"test/testdata/file.yml", Config{}, errors.New("error")}, | ||
| "wrong yaml file": {"test/testdata/wrong_config.yml", Config{}, errors.New("error")}, | ||
| } | ||
|
|
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| for name, tc := range tests { | ||
| t.Run(name, func(t *testing.T) { | ||
| var got Config | ||
| err := ReadConfigFile(tc.input, &got) | ||
|
|
||
| if err != nil && tc.err == nil { | ||
| t.Fatalf("not expected any erros and got %v", err) | ||
| } | ||
|
|
||
| if err == nil && tc.err != nil { | ||
| t.Fatalf("expected an error and got nil") | ||
| } | ||
|
|
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| if !reflect.DeepEqual(tc.expected, got) { | ||
| t.Fatalf("expected: %v, got: %v", tc.expected, got) | ||
| } | ||
|
|
||
| }) | ||
| } | ||
| } | ||
|
|
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| func validConfig() Config { | ||
| return Config{ | ||
| ImpostersPath: "imposters", | ||
| Port: 3000, | ||
| Host: "localhost", | ||
| CORS: ConfigCORS{ | ||
| Methods: []string{"GET"}, | ||
| Origins: []string{"*"}, | ||
| Headers: []string{"Content-Type"}, | ||
| ExposedHeaders: []string{"Cache-Control"}, | ||
| AllowCredentials: true, | ||
| }, | ||
| } | ||
| } |
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