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| 1 | +// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"). You may |
| 4 | +// not use this file except in compliance with the License. A copy of the |
| 5 | +// License is located at |
| 6 | +// |
| 7 | +// http://aws.amazon.com/apache2.0/ |
| 8 | +// |
| 9 | +// or in the "license" file accompanying this file. This file is distributed |
| 10 | +// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| 11 | +// express or implied. See the License for the specific language governing |
| 12 | +// permissions and limitations under the License. |
| 13 | + |
| 14 | +package compare_test |
| 15 | + |
| 16 | +import ( |
| 17 | + "testing" |
| 18 | + |
| 19 | + "github.com/stretchr/testify/require" |
| 20 | + |
| 21 | + "github.com/aws-controllers-k8s/runtime/pkg/compare" |
| 22 | + acktags "github.com/aws-controllers-k8s/runtime/pkg/tags" |
| 23 | +) |
| 24 | + |
| 25 | +func TestTagsDifference(t *testing.T) { |
| 26 | + require := require.New(t) |
| 27 | + |
| 28 | + a := acktags.NewTags() |
| 29 | + b := acktags.NewTags() |
| 30 | + |
| 31 | + a["tag1"] = "value1" |
| 32 | + |
| 33 | + a["tag2"] = "value2" |
| 34 | + b["tag2"] = "value2" |
| 35 | + |
| 36 | + b["tag3"] = "value3" |
| 37 | + b["tag4"] = "value4" |
| 38 | + |
| 39 | + added, unchanged, removed := compare.GetTagsDifference(a, b) |
| 40 | + |
| 41 | + require.Len(added, 2) |
| 42 | + require.Len(unchanged, 1) |
| 43 | + require.Len(removed, 1) |
| 44 | + |
| 45 | + require.Contains(added, "tag3") |
| 46 | + require.Contains(added, "tag4") |
| 47 | + require.Contains(unchanged, "tag2") |
| 48 | + require.Contains(removed, "tag1") |
| 49 | + |
| 50 | + // add test for updating the value of an existing tag |
| 51 | + a["tag2"] = "oldvalue" |
| 52 | + b["tag2"] = "newvalue" |
| 53 | + |
| 54 | + added, unchanged, removed = compare.GetTagsDifference(a, b) |
| 55 | + |
| 56 | + require.Len(added, 3) |
| 57 | + require.Len(unchanged, 0) |
| 58 | + require.Len(removed, 2) |
| 59 | + |
| 60 | + require.Contains(added, "tag2") |
| 61 | + require.Equal(added["tag2"], "newvalue") |
| 62 | +} |
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