go-ethereum/internal/utesting/utesting_test.go

146 lines
2.9 KiB
Go

// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package utesting
import (
"bytes"
"regexp"
"strings"
"testing"
)
func TestTest(t *testing.T) {
t.Parallel()
tests := []Test{
{
Name: "successful test",
Fn: func(t *T) {},
},
{
Name: "failing test",
Fn: func(t *T) {
t.Log("output")
t.Error("failed")
},
},
{
Name: "panicking test",
Fn: func(t *T) {
panic("oh no")
},
},
}
results := RunTests(tests, nil)
if results[0].Failed || results[0].Output != "" {
t.Fatalf("wrong result for successful test: %#v", results[0])
}
if !results[1].Failed || results[1].Output != "output\nfailed\n" {
t.Fatalf("wrong result for failing test: %#v", results[1])
}
if !results[2].Failed || !strings.HasPrefix(results[2].Output, "panic: oh no\n") {
t.Fatalf("wrong result for panicking test: %#v", results[2])
}
}
var outputTests = []Test{
{
Name: "TestWithLogs",
Fn: func(t *T) {
t.Log("output line 1")
t.Log("output line 2\noutput line 3")
},
},
{
Name: "TestNoLogs",
Fn: func(t *T) {},
},
{
Name: "FailWithLogs",
Fn: func(t *T) {
t.Log("output line 1")
t.Error("failed 1")
},
},
{
Name: "FailMessage",
Fn: func(t *T) {
t.Error("failed 2")
},
},
{
Name: "FailNoOutput",
Fn: func(t *T) {
t.Fail()
},
},
}
func TestOutput(t *testing.T) {
t.Parallel()
var buf bytes.Buffer
RunTests(outputTests, &buf)
want := regexp.MustCompile(`
^-- RUN TestWithLogs
output line 1
output line 2
output line 3
-- OK TestWithLogs \([^)]+\)
-- OK TestNoLogs \([^)]+\)
-- RUN FailWithLogs
output line 1
failed 1
-- FAIL FailWithLogs \([^)]+\)
-- RUN FailMessage
failed 2
-- FAIL FailMessage \([^)]+\)
-- FAIL FailNoOutput \([^)]+\)
2/5 tests passed.
$`[1:])
if !want.MatchString(buf.String()) {
t.Fatalf("output does not match: %q", buf.String())
}
}
func TestOutputTAP(t *testing.T) {
t.Parallel()
var buf bytes.Buffer
RunTAP(outputTests, &buf)
want := `
1..5
ok 1 TestWithLogs
# output line 1
# output line 2
# output line 3
ok 2 TestNoLogs
not ok 3 FailWithLogs
# output line 1
# failed 1
not ok 4 FailMessage
# failed 2
not ok 5 FailNoOutput
`
if buf.String() != want[1:] {
t.Fatalf("output does not match: %q", buf.String())
}
}