micro/config/default_test.go

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package config_test
import (
"context"
"fmt"
"testing"
"go.unistack.org/micro/v3/config"
)
type cfg struct {
StringValue string `default:"string_value"`
IgnoreValue string `json:"-"`
StructValue *cfgStructValue
IntValue int `default:"99"`
}
type cfgStructValue struct {
StringValue string `default:"string_value"`
}
func (c *cfg) Validate() error {
if c.IntValue != 10 {
return fmt.Errorf("invalid IntValue %d != %d", 10, c.IntValue)
}
return nil
}
func (c *cfgStructValue) Validate() error {
if c.StringValue != "string_value" {
return fmt.Errorf("invalid StringValue %s != %s", "string_value", c.StringValue)
}
return nil
}
func TestDefault(t *testing.T) {
ctx := context.Background()
conf := &cfg{IntValue: 10}
blfn := func(_ context.Context, c config.Config) error {
nconf, ok := c.Options().Struct.(*cfg)
if !ok {
return fmt.Errorf("failed to get Struct from options: %v", c.Options())
}
nconf.StringValue = "before_load"
return nil
}
alfn := func(_ context.Context, c config.Config) error {
nconf, ok := c.Options().Struct.(*cfg)
if !ok {
return fmt.Errorf("failed to get Struct from options: %v", c.Options())
}
nconf.StringValue = "after_load"
return nil
}
cfg := config.NewConfig(config.Struct(conf), config.BeforeLoad(blfn), config.AfterLoad(alfn))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if err := cfg.Load(ctx); err != nil {
t.Fatal(err)
}
if conf.StringValue != "after_load" {
t.Fatal("AfterLoad option not working")
}
_ = conf
// t.Logf("%#+v\n", conf)
}
func TestValidate(t *testing.T) {
ctx := context.Background()
conf := &cfg{IntValue: 10}
cfg := config.NewConfig(config.Struct(conf))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if err := cfg.Load(ctx); err != nil {
t.Fatal(err)
}
if err := config.Validate(ctx, conf); err != nil {
t.Fatal(err)
}
}