mirror of https://github.com/k3s-io/k3s
69 lines
2.9 KiB
Go
69 lines
2.9 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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 merge
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import (
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"testing"
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)
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func TestMergeJSON(t *testing.T) {
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tests := []struct {
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target string
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patch string
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expected string
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}{
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{target: `{}`, patch: `{}`, expected: `{}`},
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{target: `{"a":"b","c":{"d":"e","f":"g"}}`, patch: `{}`, expected: `{"a":"b","c":{"d":"e","f":"g"}}`},
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//update
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{target: `{"a":"b","c":"d"}`, patch: `{"a":"z"}`, expected: `{"a":"z","c":"d"}`},
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//remove key
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{target: `{"f":"g"}`, patch: `{"f":null}`, expected: `{}`},
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//inner update
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{target: `{"c":{"d":"e","f":"g"}}`, patch: `{"c":{"f":"z"}}`, expected: `{"c":{"d":"e","f":"z"}}`},
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//inner remove
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{target: `{"c":{"d":"e","f":"g"}}`, patch: `{"c":{"f":null}}`, expected: `{"c":{"d":"e"}}`},
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//complex update and remove
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{target: `{"a":"b","c":{"d":"e","f":"g"}}`, patch: `{"a":"z","c":{"f":null}}`, expected: `{"a":"z","c":{"d":"e"}}`},
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// test cases from https://tools.ietf.org/html/rfc7386#appendix-A slightly adapted to correspond to go's
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// encoding/json conventions
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{target: `{"a":"b"}`, patch: `{"a":"c"}`, expected: `{"a":"c"}`},
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{target: `{"a":"b"}`, patch: `{"b":"c"}`, expected: `{"a":"b","b":"c"}`},
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{target: `{"a":"b"}`, patch: `{"a":null}`, expected: `{}`},
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{target: `{"a":"b","b":"c"}`, patch: `{"a":null}`, expected: `{"b":"c"}`},
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{target: `{"a":["b"]}`, patch: `{"a":"c"}`, expected: `{"a":"c"}`},
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{target: `{"a":"c"}`, patch: `{"a":["b"]}`, expected: `{"a":["b"]}`},
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{target: `{"a":{"b": "c"}}`, patch: `{"a": {"b": "d","c": null}}`, expected: `{"a":{"b":"d","c":null}}`},
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{target: `{"a":[{"b":"c"}]}`, patch: `{"a":[1]}`, expected: `{"a":[1]}`},
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{target: `["a","b"]`, patch: `["c","d"]`, expected: `["c","d"]`},
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{target: `{"a":"b"}`, patch: `["c"]`, expected: `["c"]`},
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{target: `{"a":"foo"}`, patch: `null`, expected: `null`},
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{target: `{"a":"foo"}`, patch: `"bar"`, expected: `"bar"`},
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{target: `{"e":null}`, patch: `{"a":1}`, expected: `{"a":1,"e":null}`},
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{target: `[1,2]`, patch: `{"a":"b","c":null}`, expected: `{"a":"b","c":null}`},
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{target: `{}`, patch: `{"a":{"bb":{"ccc":null}}}`, expected: `{"a":{"bb":{"ccc":null}}}`},
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}
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for i, test := range tests {
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out, err := MergeJSON([]byte(test.target), []byte(test.patch))
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if err != nil {
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t.Errorf("case %v, unexpected error: %v", i, err)
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}
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if string(out) != test.expected {
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t.Errorf("case %v, expected:\n%v\nsaw:\n%v\n", i, test.expected, string(out))
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}
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}
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}
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