95 lines
1.9 KiB
Go
95 lines
1.9 KiB
Go
package metadata
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import (
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"context"
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"reflect"
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"testing"
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)
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func TestMetadataSet(t *testing.T) {
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ctx := Set(context.TODO(), "Key", "val")
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val, ok := Get(ctx, "Key")
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if !ok {
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t.Fatal("key Key not found")
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}
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if val != "val" {
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t.Errorf("key Key with value val != %v", val)
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}
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}
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func TestMetadataCopy(t *testing.T) {
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md := Metadata{
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"Foo": "bar",
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"bar": "baz",
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}
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cp := Copy(md)
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for k, v := range md {
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if cv := cp[k]; cv != v {
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t.Fatalf("Got %s:%s for %s:%s", k, cv, k, v)
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}
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}
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}
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func TestMetadataContext(t *testing.T) {
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md := Metadata{
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"Foo": "bar",
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}
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ctx := NewContext(context.TODO(), md)
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emd, ok := FromContext(ctx)
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if !ok {
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t.Errorf("Unexpected error retrieving metadata, got %t", ok)
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}
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if emd["Foo"] != md["Foo"] {
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t.Errorf("Expected key: %s val: %s, got key: %s val: %s", "Foo", md["Foo"], "Foo", emd["Foo"])
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}
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if i := len(emd); i != 1 {
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t.Errorf("Expected metadata length 1 got %d", i)
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}
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}
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func TestMergeContext(t *testing.T) {
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type args struct {
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existing Metadata
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append Metadata
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overwrite bool
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}
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tests := []struct {
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name string
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args args
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want Metadata
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}{
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{
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name: "matching key, overwrite false",
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args: args{
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existing: Metadata{"Foo": "bar", "Sumo": "demo"},
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append: Metadata{"Sumo": "demo2"},
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overwrite: false,
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},
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want: Metadata{"Foo": "bar", "Sumo": "demo"},
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},
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{
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name: "matching key, overwrite true",
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args: args{
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existing: Metadata{"Foo": "bar", "Sumo": "demo"},
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append: Metadata{"Sumo": "demo2"},
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overwrite: true,
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},
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want: Metadata{"Foo": "bar", "Sumo": "demo2"},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got, _ := FromContext(MergeContext(NewContext(context.TODO(), tt.args.existing), tt.args.append, tt.args.overwrite)); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("MergeContext() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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