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5d20fbbb6f
TAP is a text format for test results. Parsers for it are available in many languages, making it easy to consume. I want TAP output from our protocol tests because the Hive wrapper around them needs to know about the test names and their individual results and logs. It would also be possible to just write this info as JSON, but I don't want to invent a new format. This also improves the normal console output for tests (when running without --tap). It now prints -- RUN lines before any output from the test, and indents the log output by one space.
140 lines
2.9 KiB
Go
140 lines
2.9 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package utesting
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import (
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"bytes"
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"regexp"
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"strings"
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"testing"
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)
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func TestTest(t *testing.T) {
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tests := []Test{
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{
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Name: "successful test",
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Fn: func(t *T) {},
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},
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{
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Name: "failing test",
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Fn: func(t *T) {
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t.Log("output")
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t.Error("failed")
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},
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},
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{
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Name: "panicking test",
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Fn: func(t *T) {
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panic("oh no")
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},
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},
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}
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results := RunTests(tests, nil)
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if results[0].Failed || results[0].Output != "" {
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t.Fatalf("wrong result for successful test: %#v", results[0])
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}
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if !results[1].Failed || results[1].Output != "output\nfailed\n" {
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t.Fatalf("wrong result for failing test: %#v", results[1])
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}
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if !results[2].Failed || !strings.HasPrefix(results[2].Output, "panic: oh no\n") {
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t.Fatalf("wrong result for panicking test: %#v", results[2])
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}
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}
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var outputTests = []Test{
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{
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Name: "TestWithLogs",
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Fn: func(t *T) {
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t.Log("output line 1")
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t.Log("output line 2\noutput line 3")
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},
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},
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{
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Name: "TestNoLogs",
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Fn: func(t *T) {},
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},
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{
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Name: "FailWithLogs",
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Fn: func(t *T) {
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t.Log("output line 1")
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t.Error("failed 1")
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},
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},
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{
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Name: "FailMessage",
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Fn: func(t *T) {
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t.Error("failed 2")
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},
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},
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{
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Name: "FailNoOutput",
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Fn: func(t *T) {
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t.Fail()
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},
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},
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}
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func TestOutput(t *testing.T) {
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var buf bytes.Buffer
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RunTests(outputTests, &buf)
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want := regexp.MustCompile(`
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^-- RUN TestWithLogs
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output line 1
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output line 2
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output line 3
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-- OK TestWithLogs \([^)]+\)
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-- OK TestNoLogs \([^)]+\)
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-- RUN FailWithLogs
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output line 1
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failed 1
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-- FAIL FailWithLogs \([^)]+\)
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-- RUN FailMessage
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failed 2
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-- FAIL FailMessage \([^)]+\)
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-- FAIL FailNoOutput \([^)]+\)
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2/5 tests passed.
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$`[1:])
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if !want.MatchString(buf.String()) {
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t.Fatalf("output does not match: %q", buf.String())
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}
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}
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func TestOutputTAP(t *testing.T) {
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var buf bytes.Buffer
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RunTAP(outputTests, &buf)
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want := `
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1..5
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ok 1 TestWithLogs
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# output line 1
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# output line 2
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# output line 3
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ok 2 TestNoLogs
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not ok 3 FailWithLogs
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# output line 1
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# failed 1
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not ok 4 FailMessage
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# failed 2
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not ok 5 FailNoOutput
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`
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if buf.String() != want[1:] {
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t.Fatalf("output does not match: %q", buf.String())
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}
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}
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