61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package diff_test
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import (
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"fmt"
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"reflect"
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"testing"
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"code.ivysaur.me/yatwiki3/diff"
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)
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func TestDiff(t *testing.T) {
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type testCase struct {
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o, n []string
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expect []diff.Instruction
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}
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testCases := []testCase{
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{
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[]string{},
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[]string{},
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[]diff.Instruction{},
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},
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{
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[]string{"a"},
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[]string{"b"},
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[]diff.Instruction{
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{diff.OP_REMOVED, []string{"a"}},
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{diff.OP_INSERTED, []string{"b"}},
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},
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},
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{
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[]string{"a", "b", "c"},
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[]string{"a", "b", "c", "d"},
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[]diff.Instruction{
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{diff.OP_UNCHANGED, []string{"a", "b", "c"}},
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{diff.OP_INSERTED, []string{"d"}},
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},
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},
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{
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[]string{"a", "b", "c", "d"},
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[]string{"a", "b", "X", "Y", "Z", "d"},
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[]diff.Instruction{
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{diff.OP_UNCHANGED, []string{"a", "b"}},
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{diff.OP_REMOVED, []string{"c"}},
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{diff.OP_INSERTED, []string{"X", "Y", "Z"}},
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{diff.OP_UNCHANGED, []string{"d"}},
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},
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},
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}
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for _, testCase := range testCases {
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output := diff.Diff(testCase.o, testCase.n)
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if !reflect.DeepEqual(output, testCase.expect) {
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t.Fail()
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fmt.Printf("==EXPECTED==\n%#v\n==GOT==\n%#v\n", testCase.expect, output)
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}
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}
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}
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