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// Copyright 2015 Marc-Antoine Ruel. All rights reserved.
// Use of this source code is governed under the Apache License, Version 2.0
// that can be found in the LICENSE file.
package internal
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"regexp"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/maruel/panicparse/v2/internal/internaltest"
"github.com/maruel/panicparse/v2/stack"
)
func TestProcess(t *testing.T) {
t.Parallel()
d, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
data := []struct {
name string
palette *Palette
simil stack.Similarity
path pathFormat
filter *regexp.Regexp
match *regexp.Regexp
want string
}{
{
name: "BasePath",
palette: testPalette,
simil: stack.AnyPointer,
path: basePath,
want: "GOTRACEBACK=all\npanic: simple\n\nC1: runningA\n Emain Fmain.go:74 GmainR()A\n",
},
{
name: "FullPath",
palette: testPalette,
simil: stack.AnyValue,
path: fullPath,
// "/" is used even on Windows.
want: fmt.Sprintf("GOTRACEBACK=all\npanic: simple\n\nC1: runningA\n Emain F%s:74 GmainR()A\n", strings.Replace(filepath.Join(filepath.Dir(d), "cmd", "panic", "main.go"), "\\", "/", -1)),
},
{
name: "NoColor",
palette: &Palette{},
simil: stack.AnyValue,
path: basePath,
want: "GOTRACEBACK=all\npanic: simple\n\n1: running\n main main.go:74 main()\n",
},
{
name: "Match",
palette: testPalette,
simil: stack.AnyValue,
path: basePath,
match: regexp.MustCompile(`notpresent`),
want: "GOTRACEBACK=all\npanic: simple\n\n",
},
{
name: "Filter",
palette: testPalette,
simil: stack.AnyValue,
path: basePath,
filter: regexp.MustCompile(`notpresent`),
want: "GOTRACEBACK=all\npanic: simple\n\nC1: runningA\n Emain Fmain.go:74 GmainR()A\n",
},
}
for i, line := range data {
line := line
t.Run(fmt.Sprintf("%d-%s", i, line.name), func(t *testing.T) {
t.Parallel()
out := bytes.Buffer{}
r := bytes.NewReader(internaltest.PanicOutputs()["simple"])
if err := process(r, &out, line.palette, line.simil, line.path, false, true, "", line.filter, line.match); err != nil {
t.Fatal(err)
}
compareString(t, line.want, out.String())
})
}
}
func TestProcessTwoSnapshots(t *testing.T) {
t.Parallel()
out := bytes.Buffer{}
in := bytes.Buffer{}
in.WriteString("Ya\n")
in.Write(internaltest.PanicOutputs()["simple"])
in.WriteString("Ye\n")
in.Write(internaltest.PanicOutputs()["int"])
in.WriteString("Yo\n")
err := process(&in, &out, &Palette{}, stack.AnyPointer, basePath, false, true, "", nil, nil)
if err != nil {
t.Fatal(err)
}
// This is a change detector on main.go.
want := ("Ya\n" +
"GOTRACEBACK=all\n" +
"panic: simple\n\n" +
"1: running\n" +
" main main.go:74 main()\n" +
"Ye\n" +
"GOTRACEBACK=all\n" +
"panic: 42\n\n" +
"1: running\n" +
" main main.go:93 panicint(0x2a)\n" +
" main main.go:315 init.func9()\n" +
" main main.go:76 main()\n" +
"Yo\n")
compareString(t, want, out.String())
}
func TestMainFn(t *testing.T) {
t.Parallel()
// It doesn't do anything since stdin is closed.
if err := Main(); err != nil {
t.Fatal(err)
}
}
//
func compareString(t *testing.T, want, got string) {
if diff := cmp.Diff(want, got); diff != "" {
t.Helper()
t.Fatalf("Mismatch (-want +got):\n%s", diff)
}
}
func TestMain(m *testing.M) {
flag.Parse()
if !testing.Verbose() {
log.SetOutput(ioutil.Discard)
}
// Set the environment variable so the stack doesn't include the info header.
os.Setenv("GOTRACEBACK", "all")
os.Exit(m.Run())
}
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