forked from mirror/viper
141 lines
2.3 KiB
Go
141 lines
2.3 KiB
Go
package hcl
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import (
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"reflect"
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"testing"
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)
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// original form of the data
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const original = `# key-value pair
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"key" = "value"
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// list
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"list" = ["item1", "item2", "item3"]
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/* map */
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"map" = {
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"key" = "value"
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}
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/*
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nested map
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*/
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"nested_map" "map" {
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"key" = "value"
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"list" = ["item1", "item2", "item3"]
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}`
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// encoded form of the data
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const encoded = `"key" = "value"
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"list" = ["item1", "item2", "item3"]
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"map" = {
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"key" = "value"
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}
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"nested_map" "map" {
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"key" = "value"
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"list" = ["item1", "item2", "item3"]
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}`
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// decoded form of the data
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//
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// in case of HCL it's slightly different from Viper's internal representation
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// (eg. map is decoded into a list of maps)
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var decoded = map[string]interface{}{
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"key": "value",
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"list": []interface{}{
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"item1",
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"item2",
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"item3",
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},
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"map": []map[string]interface{}{
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{
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"key": "value",
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},
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},
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"nested_map": []map[string]interface{}{
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{
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"map": []map[string]interface{}{
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{
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"key": "value",
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"list": []interface{}{
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"item1",
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"item2",
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"item3",
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},
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},
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},
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},
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},
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}
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// Viper's internal representation
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var data = map[string]interface{}{
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"key": "value",
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"list": []interface{}{
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"item1",
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"item2",
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"item3",
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},
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"map": map[string]interface{}{
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"key": "value",
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},
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"nested_map": map[string]interface{}{
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"map": map[string]interface{}{
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"key": "value",
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"list": []interface{}{
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"item1",
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"item2",
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"item3",
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},
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},
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},
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}
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func TestCodec_Encode(t *testing.T) {
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codec := Codec{}
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b, err := codec.Encode(data)
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if err != nil {
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t.Fatal(err)
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}
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if encoded != string(b) {
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t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", string(b), encoded)
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}
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}
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func TestCodec_Decode(t *testing.T) {
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t.Run("OK", func(t *testing.T) {
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codec := Codec{}
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v := map[string]interface{}{}
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err := codec.Decode([]byte(original), v)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(decoded, v) {
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t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", v, decoded)
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}
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})
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t.Run("InvalidData", func(t *testing.T) {
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codec := Codec{}
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v := map[string]interface{}{}
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err := codec.Decode([]byte(`invalid data`), v)
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if err == nil {
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t.Fatal("expected decoding to fail")
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}
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t.Logf("decoding failed as expected: %s", err)
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})
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}
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