distribution/configuration/parser_test.go

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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)
}