mirror of https://github.com/knative/pkg.git
131 lines
3.0 KiB
Go
131 lines
3.0 KiB
Go
/*
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Copyright 2021 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kmap
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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func TestKeyPriority(t *testing.T) {
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tests := []struct {
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name string
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keys KeyPriority
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in map[string]string
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outKey string
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outValue string
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outOk bool
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}{{
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name: "single key in map",
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keys: KeyPriority{"old", "new"},
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in: map[string]string{"old": "1"},
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outKey: "old",
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outValue: "1",
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outOk: true,
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}, {
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name: "another single key in map",
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keys: KeyPriority{"old", "new"},
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in: map[string]string{"new": "1"},
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outKey: "new",
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outValue: "1",
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outOk: true,
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}, {
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name: "lower ordinal takes priority",
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keys: KeyPriority{"old", "new"},
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in: map[string]string{"new": "1", "old": "2"},
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outKey: "old",
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outValue: "2",
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outOk: true,
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}, {
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name: "missing key in map",
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keys: []string{"old", "new"},
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in: map[string]string{},
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// We still return what key we used to access the values
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// and we first key since it has priority
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outKey: "old",
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outOk: false,
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}}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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k, v, ok := tc.keys.Get(tc.in)
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if tc.outOk != ok {
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t.Error("expected ok to be", tc.outOk)
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}
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if tc.outValue != v {
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t.Errorf("expected value to be %q got: %q", tc.outValue, v)
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}
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if tc.outKey != k {
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t.Errorf("expected key to be %q got: %q", tc.outKey, k)
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}
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if want, got := v, tc.keys.Value(tc.in); got != want {
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t.Errorf("Value() diff %q != %q", want, got)
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}
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})
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}
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}
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func TestUpdateKeys(t *testing.T) {
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tests := []struct {
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name string
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in map[string]string
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out map[string]string
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ols []KeyPriority
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}{{
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name: "identity",
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in: map[string]string{"1": "2"},
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out: map[string]string{"1": "2"},
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}, {
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name: "single replacement",
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in: map[string]string{"1": "2", "4": "5"},
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ols: []KeyPriority{
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{"3", "1"},
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},
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out: map[string]string{"3": "2", "4": "5"},
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}, {
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name: "multiple replacement",
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in: map[string]string{"1": "2", "6": "5", "8": "9"},
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ols: []KeyPriority{
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{"3", "1"},
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{"4", "6"},
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},
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out: map[string]string{"3": "2", "4": "5", "8": "9"},
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}, {
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name: "default not replaced",
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in: map[string]string{"1": "2", "4": "5"},
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ols: []KeyPriority{
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{"1", "3"},
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},
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out: map[string]string{"1": "2", "4": "5"},
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}}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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out := UpdateKeys(tc.in, tc.ols...)
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if diff := cmp.Diff(tc.out, out); diff != "" {
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t.Error("Migrate diff (-want,+got):", diff)
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}
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})
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}
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}
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