71 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
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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