mirror of
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126 lines
3.3 KiB
Go
126 lines
3.3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package gitdiff
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import (
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"encoding/csv"
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"strings"
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"testing"
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csv_module "code.gitea.io/gitea/modules/csv"
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"code.gitea.io/gitea/modules/setting"
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"github.com/stretchr/testify/assert"
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)
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func TestCSVDiff(t *testing.T) {
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var cases = []struct {
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diff string
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base string
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head string
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cells [][2]TableDiffCellType
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}{
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// case 0
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{
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diff: `diff --git a/unittest.csv b/unittest.csv
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--- a/unittest.csv
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+++ b/unittest.csv
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@@ -0,0 +1,2 @@
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+col1,col2
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+a,a`,
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base: "",
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head: "col1,col2\na,a",
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cells: [][2]TableDiffCellType{{TableDiffCellAdd, TableDiffCellAdd}, {TableDiffCellAdd, TableDiffCellAdd}},
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},
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// case 1
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{
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diff: `diff --git a/unittest.csv b/unittest.csv
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--- a/unittest.csv
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+++ b/unittest.csv
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@@ -1,2 +1,3 @@
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col1,col2
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-a,a
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+a,a
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+b,b`,
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base: "col1,col2\na,a",
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head: "col1,col2\na,a\nb,b",
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cells: [][2]TableDiffCellType{{TableDiffCellEqual, TableDiffCellEqual}, {TableDiffCellEqual, TableDiffCellEqual}, {TableDiffCellAdd, TableDiffCellAdd}},
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},
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// case 2
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{
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diff: `diff --git a/unittest.csv b/unittest.csv
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--- a/unittest.csv
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+++ b/unittest.csv
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@@ -1,3 +1,2 @@
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col1,col2
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-a,a
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b,b`,
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base: "col1,col2\na,a\nb,b",
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head: "col1,col2\nb,b",
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cells: [][2]TableDiffCellType{{TableDiffCellEqual, TableDiffCellEqual}, {TableDiffCellDel, TableDiffCellDel}, {TableDiffCellEqual, TableDiffCellEqual}},
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},
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// case 3
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{
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diff: `diff --git a/unittest.csv b/unittest.csv
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--- a/unittest.csv
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+++ b/unittest.csv
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@@ -1,2 +1,2 @@
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col1,col2
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-b,b
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+b,c`,
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base: "col1,col2\nb,b",
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head: "col1,col2\nb,c",
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cells: [][2]TableDiffCellType{{TableDiffCellEqual, TableDiffCellEqual}, {TableDiffCellEqual, TableDiffCellChanged}},
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},
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// case 4
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{
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diff: `diff --git a/unittest.csv b/unittest.csv
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--- a/unittest.csv
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+++ b/unittest.csv
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@@ -1,2 +0,0 @@
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-col1,col2
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-b,c`,
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base: "col1,col2\nb,c",
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head: "",
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cells: [][2]TableDiffCellType{{TableDiffCellDel, TableDiffCellDel}, {TableDiffCellDel, TableDiffCellDel}},
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},
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}
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for n, c := range cases {
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diff, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(c.diff))
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if err != nil {
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t.Errorf("ParsePatch failed: %s", err)
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}
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var baseReader *csv.Reader
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if len(c.base) > 0 {
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baseReader, err = csv_module.CreateReaderAndGuessDelimiter(strings.NewReader(c.base))
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if err != nil {
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t.Errorf("CreateReaderAndGuessDelimiter failed: %s", err)
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}
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}
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var headReader *csv.Reader
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if len(c.head) > 0 {
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headReader, err = csv_module.CreateReaderAndGuessDelimiter(strings.NewReader(c.head))
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if err != nil {
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t.Errorf("CreateReaderAndGuessDelimiter failed: %s", err)
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}
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}
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result, err := CreateCsvDiff(diff.Files[0], baseReader, headReader)
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assert.NoError(t, err)
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assert.Len(t, result, 1, "case %d: should be one section", n)
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section := result[0]
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assert.Len(t, section.Rows, len(c.cells), "case %d: should be %d rows", n, len(c.cells))
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for i, row := range section.Rows {
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assert.Len(t, row.Cells, 2, "case %d: row %d should have two cells", n, i)
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for j, cell := range row.Cells {
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assert.Equal(t, c.cells[i][j], cell.Type, "case %d: row %d cell %d should be equal", n, i, j)
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}
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}
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}
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}
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