71 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
	
| package models
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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