func compareGraphs(t *testing.T, got, want []byte) {
if string(got) != string(want) {
d, err := proftest.Diff(got, want)
if err != nil {
t.Fatalf("error finding diff: %v", err)
}
t.Errorf("Compose incorrectly wrote %s", string(d))
}
}
func TestSource(t *testing.T) {
const path = "testdata/"
sampleValue1 := func(v []int64) int64 {
return v[1]
}
for _, tc := range []testcase{
{
rpt: New(
testProfile.Copy(),
&Options{
OutputFormat: List,
Symbol: regexp.MustCompile(`.`),
Title: filepath.Base(testProfile.Mapping[0].File),
SampleValue: sampleValue1,
SampleUnit: testProfile.SampleType[1].Unit,
},
),
want: path + "source.rpt",
},
{
rpt: New(
testProfile.Copy(),
&Options{
OutputFormat: Dot,
CallTree: true,
Symbol: regexp.MustCompile(`.`),
Title: filepath.Base(testProfile.Mapping[0].File),
SampleValue: sampleValue1,
SampleUnit: testProfile.SampleType[1].Unit,
},
),
want: path + "source.dot",
},
} {
b := bytes.NewBuffer(nil)
if err := Generate(b, tc.rpt, &binutils.Binutils{}); err != nil {
t.Fatalf("%s: %v", tc.want, err)
}
gold, err := ioutil.ReadFile(tc.want)
if err != nil {
t.Fatalf("%s: %v", tc.want, err)
}
if string(b.String()) != string(gold) {
d, err := proftest.Diff(gold, b.Bytes())
if err != nil {
t.Fatalf("%s: %v", "source", err)
}
t.Error("source" + "\n" + string(d) + "\n" + "gold:\n" + tc.want)
}
}
}
func TestMarshalUnmarshal(t *testing.T) {
// Write the profile, parse it, and ensure they're equal.
buf := bytes.NewBuffer(nil)
all.Write(buf)
all2, err := Parse(buf)
if err != nil {
t.Fatal(err)
}
js1 := proftest.EncodeJSON(&all)
js2 := proftest.EncodeJSON(&all2)
if string(js1) != string(js2) {
t.Errorf("profiles differ")
d, err := proftest.Diff(js1, js2)
if err != nil {
t.Fatal(err)
}
t.Error("\n" + string(d))
}
}
func TestParse(t *testing.T) {
const path = "testdata/"
for _, source := range []string{
"go.crc32.cpu",
"go.godoc.thread",
"gobench.cpu",
"gobench.heap",
"cppbench.cpu",
"cppbench.heap",
"cppbench.contention",
"cppbench.growth",
"cppbench.thread",
"cppbench.thread.all",
"cppbench.thread.none",
"java.cpu",
"java.heap",
"java.contention",
} {
inbytes, err := ioutil.ReadFile(filepath.Join(path, source))
if err != nil {
t.Fatal(err)
}
p, err := Parse(bytes.NewBuffer(inbytes))
if err != nil {
t.Fatalf("%s: %s", source, err)
}
js := p.String()
goldFilename := path + source + ".string"
gold, err := ioutil.ReadFile(goldFilename)
if err != nil {
t.Fatalf("%s: %v", source, err)
}
if js != string(gold) {
t.Errorf("diff %s %s", source, goldFilename)
d, err := proftest.Diff(gold, []byte(js))
if err != nil {
t.Fatalf("%s: %v", source, err)
}
t.Error(source + "\n" + string(d) + "\n" + "new profile at:\n" + leaveTempfile([]byte(js)))
}
// Reencode and decode.
bw := bytes.NewBuffer(nil)
if err := p.Write(bw); err != nil {
t.Fatalf("%s: %v", source, err)
}
if p, err = Parse(bw); err != nil {
t.Fatalf("%s: %v", source, err)
}
js2 := p.String()
if js2 != string(gold) {
d, err := proftest.Diff(gold, []byte(js2))
if err != nil {
t.Fatalf("%s: %v", source, err)
}
t.Error(source + "\n" + string(d) + "\n" + "gold:\n" + goldFilename +
"\nnew profile at:\n" + leaveTempfile([]byte(js)))
}
}
}