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71 lines
2.8 KiB
71 lines
2.8 KiB
package models
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import (
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dmp "github.com/sergi/go-diff/diffmatchpatch"
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"html/template"
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"testing"
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)
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func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
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if s1 != string(s2) {
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t.Errorf("%s should be equal %s", s2, s1)
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}
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}
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func assertLineEqual(t *testing.T, d1 *DiffLine, d2 *DiffLine) {
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if d1 != d2 {
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t.Errorf("%v should be equal %v", d1, d2)
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}
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}
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func TestDiffToHTML(t *testing.T) {
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assertEqual(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML([]dmp.Diff{
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dmp.Diff{dmp.DiffEqual, "foo "},
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dmp.Diff{dmp.DiffInsert, "bar"},
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dmp.Diff{dmp.DiffDelete, " baz"},
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dmp.Diff{dmp.DiffEqual, " biz"},
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}, DIFF_LINE_ADD))
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assertEqual(t, "foo <span class=\"removed-code\">bar</span> biz", diffToHTML([]dmp.Diff{
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dmp.Diff{dmp.DiffEqual, "foo "},
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dmp.Diff{dmp.DiffDelete, "bar"},
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dmp.Diff{dmp.DiffInsert, " baz"},
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dmp.Diff{dmp.DiffEqual, " biz"},
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}, DIFF_LINE_DEL))
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}
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// test if GetLine is return the correct lines
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func TestGetLine(t *testing.T) {
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ds := DiffSection{Lines: []*DiffLine{
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&DiffLine{LeftIdx: 28, RightIdx: 28, Type: DIFF_LINE_PLAIN},
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&DiffLine{LeftIdx: 29, RightIdx: 29, Type: DIFF_LINE_PLAIN},
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&DiffLine{LeftIdx: 30, RightIdx: 30, Type: DIFF_LINE_PLAIN},
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&DiffLine{LeftIdx: 31, RightIdx: 0, Type: DIFF_LINE_DEL},
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&DiffLine{LeftIdx: 0, RightIdx: 31, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 0, RightIdx: 32, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 32, RightIdx: 33, Type: DIFF_LINE_PLAIN},
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&DiffLine{LeftIdx: 33, RightIdx: 0, Type: DIFF_LINE_DEL},
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&DiffLine{LeftIdx: 34, RightIdx: 0, Type: DIFF_LINE_DEL},
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&DiffLine{LeftIdx: 35, RightIdx: 0, Type: DIFF_LINE_DEL},
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&DiffLine{LeftIdx: 36, RightIdx: 0, Type: DIFF_LINE_DEL},
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&DiffLine{LeftIdx: 0, RightIdx: 34, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 0, RightIdx: 35, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 0, RightIdx: 36, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 0, RightIdx: 37, Type: DIFF_LINE_ADD},
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&DiffLine{LeftIdx: 37, RightIdx: 38, Type: DIFF_LINE_PLAIN},
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&DiffLine{LeftIdx: 38, RightIdx: 39, Type: DIFF_LINE_PLAIN},
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}}
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assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 31), ds.Lines[4])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 31), ds.Lines[3])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 33), ds.Lines[11])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 34), ds.Lines[12])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 35), ds.Lines[13])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 36), ds.Lines[14])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 34), ds.Lines[7])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 35), ds.Lines[8])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 36), ds.Lines[9])
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assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 37), ds.Lines[10])
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}
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