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task/watch_test.go
2023-04-06 11:18:41 +01:00

81 lines
1.6 KiB
Go

//go:build watch
// +build watch
package task_test
import (
"bytes"
"context"
"os"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/go-task/task/v3"
"github.com/go-task/task/v3/internal/filepathext"
"github.com/go-task/task/v3/taskfile"
)
func TestFileWatcherInterval(t *testing.T) {
const dir = "testdata/watcher_interval"
expectedOutput := strings.TrimSpace(`
task: Started watching for tasks: default
task: [default] echo "Hello, World!"
Hello, World!
task: [default] echo "Hello, World!"
Hello, World!
`)
var buff bytes.Buffer
e := &task.Executor{
Dir: dir,
Stdout: &buff,
Stderr: &buff,
Watch: true,
}
require.NoError(t, e.Setup())
buff.Reset()
err := os.MkdirAll(filepathext.SmartJoin(dir, "src"), 0755)
require.NoError(t, err)
err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test"), 0644)
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
ctx, cancel := context.WithCancel(ctx)
go func(ctx context.Context) {
for {
select {
case <-ctx.Done():
return
default:
err := e.Run(ctx, taskfile.Call{Task: "default"})
if err != nil {
return
}
}
}
}(ctx)
time.Sleep(10 * time.Millisecond)
err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test updated"), 0644)
if err != nil {
t.Fatal(err)
}
time.Sleep(700 * time.Millisecond)
cancel()
assert.Equal(t, expectedOutput, strings.TrimSpace(buff.String()))
buff.Reset()
err = os.RemoveAll(filepathext.SmartJoin(dir, ".task"))
require.NoError(t, err)
err = os.RemoveAll(filepathext.SmartJoin(dir, "src"))
require.NoError(t, err)
}