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- // Copyright 2020 The Gitea Authors. All rights reserved.
- // Use of this source code is governed by a MIT-style
- // license that can be found in the LICENSE file.
-
- package git
-
- import (
- "strings"
- "testing"
-
- "github.com/stretchr/testify/assert"
- )
-
- const exampleDiff = `diff --git a/README.md b/README.md
- --- a/README.md
- +++ b/README.md
- @@ -1,3 +1,6 @@
- # gitea-github-migrator
- +
- + Build Status
- - Latest Release
- Docker Pulls
- + cut off
- + cut off`
-
- const breakingDiff = `diff --git a/aaa.sql b/aaa.sql
- index d8e4c92..19dc8ad 100644
- --- a/aaa.sql
- +++ b/aaa.sql
- @@ -1,9 +1,10 @@
- --some comment
- --- some comment 5
- +--some coment 2
- +-- some comment 3
- create or replace procedure test(p1 varchar2)
- is
- begin
- ---new comment
- dbms_output.put_line(p1);
- +--some other comment
- end;
- /
- `
-
- func TestCutDiffAroundLine(t *testing.T) {
- result, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 4, false, 3)
- assert.NoError(t, err)
- resultByLine := strings.Split(result, "\n")
- assert.Len(t, resultByLine, 7)
- // Check if headers got transferred
- assert.Equal(t, "diff --git a/README.md b/README.md", resultByLine[0])
- assert.Equal(t, "--- a/README.md", resultByLine[1])
- assert.Equal(t, "+++ b/README.md", resultByLine[2])
- // Check if hunk header is calculated correctly
- assert.Equal(t, "@@ -2,2 +3,2 @@", resultByLine[3])
- // Check if line got transferred
- assert.Equal(t, "+ Build Status", resultByLine[4])
-
- // Must be same result as before since old line 3 == new line 5
- newResult, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
- assert.NoError(t, err)
- assert.Equal(t, result, newResult, "Must be same result as before since old line 3 == new line 5")
-
- newResult, err = CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 300)
- assert.NoError(t, err)
- assert.Equal(t, exampleDiff, newResult)
-
- emptyResult, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 0)
- assert.NoError(t, err)
- assert.Empty(t, emptyResult)
-
- // Line is out of scope
- emptyResult, err = CutDiffAroundLine(strings.NewReader(exampleDiff), 434, false, 0)
- assert.NoError(t, err)
- assert.Empty(t, emptyResult)
-
- // Handle minus diffs properly
- minusDiff, err := CutDiffAroundLine(strings.NewReader(breakingDiff), 2, false, 4)
- assert.NoError(t, err)
-
- expected := `diff --git a/aaa.sql b/aaa.sql
- --- a/aaa.sql
- +++ b/aaa.sql
- @@ -1,9 +1,10 @@
- --some comment
- --- some comment 5
- +--some coment 2`
- assert.Equal(t, expected, minusDiff)
-
- // Handle minus diffs properly
- minusDiff, err = CutDiffAroundLine(strings.NewReader(breakingDiff), 3, false, 4)
- assert.NoError(t, err)
-
- expected = `diff --git a/aaa.sql b/aaa.sql
- --- a/aaa.sql
- +++ b/aaa.sql
- @@ -1,9 +1,10 @@
- --some comment
- --- some comment 5
- +--some coment 2
- +-- some comment 3`
-
- assert.Equal(t, expected, minusDiff)
- }
-
- func BenchmarkCutDiffAroundLine(b *testing.B) {
- for n := 0; n < b.N; n++ {
- CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
- }
- }
-
- func ExampleCutDiffAroundLine() {
- const diff = `diff --git a/README.md b/README.md
- --- a/README.md
- +++ b/README.md
- @@ -1,3 +1,6 @@
- # gitea-github-migrator
- +
- + Build Status
- - Latest Release
- Docker Pulls
- + cut off
- + cut off`
- result, _ := CutDiffAroundLine(strings.NewReader(diff), 4, false, 3)
- println(result)
- }
-
- func TestParseDiffHunkString(t *testing.T) {
- leftLine, leftHunk, rightLine, rightHunk := ParseDiffHunkString("@@ -19,3 +19,5 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER")
- assert.EqualValues(t, 19, leftLine)
- assert.EqualValues(t, 3, leftHunk)
- assert.EqualValues(t, 19, rightLine)
- assert.EqualValues(t, 5, rightHunk)
- }
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