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Merge pull request #1127 from Allenxuxu/master

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handle Loader.Load  return value error
This commit is contained in:
Asim Aslam 2020-01-29 22:44:29 +00:00 committed by GitHub
commit 9f1a7e1139
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 33 additions and 13 deletions
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4
config/config.go
View File

@ -43,11 +43,11 @@ type Option func(o *Options)
var (
// Default Config Manager
DefaultConfig = NewConfig()
DefaultConfig, _ = NewConfig()
)
// NewConfig returns new config
func NewConfig(opts ...Option) Config {
func NewConfig(opts ...Option) (Config, error) {
return newConfig(opts...)
}

19
config/default.go
View File

@ -30,7 +30,7 @@ type watcher struct {
value reader.Value
}
func newConfig(opts ...Option) Config {
func newConfig(opts ...Option) (Config, error) {
options := Options{
Loader: memory.NewLoader(),
Reader: json.NewReader(),
@ -40,9 +40,18 @@ func newConfig(opts ...Option) Config {
o(&options)
}
options.Loader.Load(options.Source...)
snap, _ := options.Loader.Snapshot()
vals, _ := options.Reader.Values(snap.ChangeSet)
if err := options.Loader.Load(options.Source...); err != nil {
return nil, err
}
snap, err := options.Loader.Snapshot()
if err != nil {
return nil, err
}
vals, err := options.Reader.Values(snap.ChangeSet)
if err != nil {
return nil, err
}
c := &config{
exit: make(chan bool),
@ -53,7 +62,7 @@ func newConfig(opts ...Option) Config {
go c.run()
return c
return c, nil
}
func (c *config) run() {

23
config/default_test.go
View File

@ -55,7 +55,10 @@ func TestConfigLoadWithGoodFile(t *testing.T) {
}()
// Create new config
conf := NewConfig()
conf, err := NewConfig()
if err != nil {
t.Fatalf("Expected no error but got %v", err)
}
// Load file source
if err := conf.Load(file.NewSource(
file.WithPath(path),
@ -73,9 +76,12 @@ func TestConfigLoadWithInvalidFile(t *testing.T) {
}()
// Create new config
conf := NewConfig()
conf, err := NewConfig()
if err != nil {
t.Fatalf("Expected no error but got %v", err)
}
// Load file source
err := conf.Load(file.NewSource(
err = conf.Load(file.NewSource(
file.WithPath(path),
file.WithPath("/i/do/not/exists.json"),
))
@ -105,13 +111,18 @@ func TestConfigMerge(t *testing.T) {
}()
os.Setenv("AMQP_HOST", "rabbit.testing.com")
conf := NewConfig()
conf.Load(
conf, err := NewConfig()
if err != nil {
t.Fatalf("Expected no error but got %v", err)
}
if err := conf.Load(
file.NewSource(
file.WithPath(path),
),
env.NewSource(),
)
); err != nil {
t.Fatalf("Expected no error but got %v", err)
}
actualHost := conf.Get("amqp", "host").String("backup")
if actualHost != "rabbit.testing.com" {