| 9 | ) |
| 10 | |
| 11 | func TestDiff(t *testing.T) { |
| 12 | astr := []string{"foo", "bar", "baz"} |
| 13 | bstr := []string{"foo", "bar1", "asdf", "baz"} |
| 14 | |
| 15 | dfs := DiffLines(astr, bstr) |
| 16 | // fmt.Printf("diffs: %v", dfs) |
| 17 | if len(dfs) != 3 { |
| 18 | t.Errorf("diffs != 3") |
| 19 | } |
| 20 | |
| 21 | pt := dfs.ToPatch(bstr) |
| 22 | nb := pt.Apply(astr) |
| 23 | |
| 24 | bln := pt.NumBlines() |
| 25 | // fmt.Printf("num blines: %d\n", bln) |
| 26 | if bln != 2 { |
| 27 | t.Errorf("num blines != 2\n") |
| 28 | } |
| 29 | |
| 30 | // for _, pr := range pt { |
| 31 | // fmt.Printf("%v blines: %v\n", pr.Op, pr.Blines) |
| 32 | // } |
| 33 | |
| 34 | // fmt.Printf("nb: %v\n", nb) |
| 35 | for i := range nb { |
| 36 | if nb[i] != bstr[i] { |
| 37 | t.Errorf("Line: %d\t orig: %s != %s", i, bstr[i], nb[i]) |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | rd := dfs.Reverse() |
| 42 | |
| 43 | // fmt.Printf("rev diffs: %v\n", rd) |
| 44 | |
| 45 | ptr := rd.ToPatch(astr) |
| 46 | na := ptr.Apply(bstr) |
| 47 | |
| 48 | // fmt.Printf("na: %v\n", na) |
| 49 | for i := range na { |
| 50 | if na[i] != astr[i] { |
| 51 | t.Errorf("Line: %d\t orig: %s != %s", i, astr[i], na[i]) |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | } |