package configuration import ( "os" "reflect" "gopkg.in/check.v1" ) type localConfiguration struct { Version Version `yaml:"version"` Log *Log `yaml:"log"` } type Log struct { Formatter string `yaml:"formatter,omitempty"` } var expectedConfig = localConfiguration{ Version: "0.1", Log: &Log{ Formatter: "json", }, } type ParserSuite struct{} var _ = check.Suite(new(ParserSuite)) func (suite *ParserSuite) TestParserOverwriteIninitializedPoiner(c *check.C) { config := localConfiguration{} os.Setenv("REGISTRY_LOG_FORMATTER", "json") defer os.Unsetenv("REGISTRY_LOG_FORMATTER") p := NewParser("registry", []VersionedParseInfo{ { Version: "0.1", ParseAs: reflect.TypeOf(config), ConversionFunc: func(c interface{}) (interface{}, error) { return c, nil }, }, }) err := p.Parse([]byte(`{version: "0.1", log: {formatter: "text"}}`), &config) c.Assert(err, check.IsNil) c.Assert(config, check.DeepEquals, expectedConfig) } func (suite *ParserSuite) TestParseOverwriteUnininitializedPoiner(c *check.C) { config := localConfiguration{} os.Setenv("REGISTRY_LOG_FORMATTER", "json") defer os.Unsetenv("REGISTRY_LOG_FORMATTER") p := NewParser("registry", []VersionedParseInfo{ { Version: "0.1", ParseAs: reflect.TypeOf(config), ConversionFunc: func(c interface{}) (interface{}, error) { return c, nil }, }, }) err := p.Parse([]byte(`{version: "0.1"}`), &config) c.Assert(err, check.IsNil) c.Assert(config, check.DeepEquals, expectedConfig) }