From ed787f03db37a9f52cb1ac6123f8feae3db1b1ea Mon Sep 17 00:00:00 2001
From: Herkermer Sherwood <theherk@gmail.com>
Date: Sat, 29 Apr 2017 14:30:24 -0700
Subject: [PATCH] Add a tests and examples for each new method
---
viper_test.go | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/viper_test.go b/viper_test.go
index 774ca11..fdfeea9 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -275,6 +275,85 @@ func TestUnmarshalling(t *testing.T) {
assert.Equal(t, 35, Get("age"))
}
+func ExampleUnmarshalWithMeta() {
+ v := New()
+ type Lib struct {
+ Name string
+ Awesome bool
+ Useful bool
+ }
+ var libsCfg struct {
+ Libs map[string]Lib
+ }
+ v.config = map[string]interface{}{
+ "libs": map[string]interface{}{
+ "viper": map[string]interface{}{
+ "name": "Viper",
+ "awesome": true,
+ "tagline": "Go configuration with fangs!",
+ },
+ },
+ "numbers": []int{4, 8, 15, 16, 23, 42},
+ }
+ meta, _ := v.UnmarshalWithMeta(&libsCfg)
+ // The keys slice is not stable. Sorting them in lexicographical
+ // order allows comparison.
+ sort.Strings(meta.Keys)
+ sort.Strings(meta.Unused)
+ fmt.Printf("%#v\n", meta.Keys)
+ fmt.Printf("%#v", meta.Unused)
+ // Output:
+ // []string{"Libs", "Libs[viper]", "Libs[viper]", "Libs[viper].Awesome", "Libs[viper].Name"}
+ // []string{"Libs[viper].tagline", "numbers"}
+}
+
+func ExampleUnmarshalKeyWithMeta() {
+ v := New()
+ var lib struct {
+ Name string
+ Awesome bool
+ Useful bool
+ }
+ v.config = map[string]interface{}{
+ "libs": map[string]interface{}{
+ "viper": map[string]interface{}{
+ "name": "Viper",
+ "awesome": true,
+ "tagline": "Go configuration with fangs!",
+ },
+ },
+ }
+ meta, _ := v.UnmarshalKeyWithMeta("libs.viper", &lib)
+ fmt.Println(meta.Keys)
+ fmt.Println(meta.Unused)
+ // Output:
+ // [Name Awesome]
+ // [tagline]
+}
+
+func TestUnmarshalKeyWithMeta(t *testing.T) {
+ v := New()
+ v.SetConfigType("yaml")
+ err := v.ReadConfig(bytes.NewBuffer(yamlExample))
+ if err != nil {
+ t.Fatal(err)
+ }
+ var clothes struct {
+ Jacket string
+ Pants interface{}
+ }
+ meta, err := v.UnmarshalKeyWithMeta("clothing", &clothes)
+ if err != nil {
+ t.Fatal(err)
+ }
+ keys := []string{"Jacket", "Pants"}
+ unused := []string{"trousers"}
+ sort.Strings(meta.Keys)
+ sort.Strings(meta.Unused)
+ assert.Equal(t, keys, meta.Keys, "keys decoded")
+ assert.Equal(t, unused, meta.Unused, "keys in config not in struct")
+}
+
func TestUnmarshalExact(t *testing.T) {
vip := New()
target := &testUnmarshalExtra{}