func TestShorterThanExpectedString(t *testing.T) {
s1 := "one\ntwo\nthree\nfour\n"
s2 := "one\ntwo\nthree\n"
a, b := bytes.NewBufferString(s1), bytes.NewBufferString(s2)
diffs, err := text.Compare(a, b)
if err != nil {
t.Error(err)
}
if len(diffs) != 1 {
t.Errorf("Expected 1 diffs, got %d", len(diffs))
for _, d := range diffs {
t.Errorf(d.String())
}
}
if len(diffs) > 0 {
ed := core.Diff{Expected: "four", Actual: nil, Pos: []string{"4"}}
ad := diffs[0]
if !ad.Equals(ed) {
t.Errorf("Expected %s but got %s", ed, ad)
}
}
}
func TestDifferentStrings(t *testing.T) {
s1 := "one\ntwo\nthree\nfour\n"
s2 := "one\nTwo\nthree\nfore\n"
a, b := bytes.NewBufferString(s1), bytes.NewBufferString(s2)
diffs, err := text.Compare(a, b)
if err != nil {
t.Error(err)
}
if len(diffs) != 2 {
t.Errorf("Expected 2 diffs, got %d", len(diffs))
}
if len(diffs) > 0 {
ed := core.Diff{Expected: "two", Actual: "Two", Pos: []string{"2"}}
ad := diffs[0]
if !ad.Equals(ed) {
t.Errorf("Expected %s but got %s", ed, ad)
}
}
if len(diffs) > 1 {
ed := core.Diff{Expected: "four", Actual: "fore", Pos: []string{"4"}}
ad := diffs[1]
if !ad.Equals(ed) {
t.Errorf("Expected %s but got %s", ed, ad)
}
}
}
func TestSimilarStrings(t *testing.T) {
s := "one\ntwo\nthree\nfour\n"
a, b := bytes.NewBufferString(s), bytes.NewBufferString(s)
diffs, err := text.Compare(a, b)
if err != nil {
t.Error(err)
}
for _, diff := range diffs {
t.Errorf(diff.String())
}
}
func (t textEvidence) Check(approved io.Reader) ([]core.Diff, error) {
return text.Compare(approved, t.Reader)
}
func (x *xmlEvidence) Check(approved io.Reader) ([]core.Diff, error) {
return text.Compare(approved, &x.Buffer)
}