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