mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-12 17:27:50 +08:00
108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
package eval
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import (
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"reflect"
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"strconv"
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"sync"
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"syscall"
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"testing"
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"github.com/elves/elvish/pkg/eval/vals"
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)
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func TestBuiltinPid(t *testing.T) {
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pid := strconv.Itoa(syscall.Getpid())
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builtinPid := vals.ToString(builtinNs["pid"].Get())
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if builtinPid != pid {
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t.Errorf(`ev.builtin["pid"] = %v, want %v`, builtinPid, pid)
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}
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}
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func TestNumBgJobs(t *testing.T) {
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Test(t,
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That("put $num-bg-jobs").Puts("0"),
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// TODO(xiaq): Test cases where $num-bg-jobs > 0. This cannot be done
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// with { put $num-bg-jobs }& because the output channel may have
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// already been closed when the closure is run.
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)
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}
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func TestMiscEval(t *testing.T) {
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Test(t,
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// Pseudo-namespace E:
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That("E:FOO=lorem; put $E:FOO").Puts("lorem"),
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That("del E:FOO; put $E:FOO").Puts(""),
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)
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}
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func TestMultipleEval(t *testing.T) {
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texts := []string{"x=hello", "put $x"}
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r := evalAndCollect(t, NewEvaler(), texts)
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wantOuts := []interface{}{"hello"}
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if r.exception != nil {
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t.Errorf("eval %s => %v, want nil", texts, r.exception)
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}
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if !reflect.DeepEqual(r.valueOut, wantOuts) {
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t.Errorf("eval %s outputs %v, want %v", texts, r.valueOut, wantOuts)
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}
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}
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func TestConcurrentEval(t *testing.T) {
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// Run this test with "go test -race".
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ev := NewEvaler()
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src := NewInternalElvishSource(true, "[test]", "")
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op, err := ev.ParseAndCompile(src)
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if err != nil {
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panic(err)
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}
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var wg sync.WaitGroup
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wg.Add(2)
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go func() {
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ev.EvalInTTY(op)
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wg.Done()
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}()
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go func() {
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ev.EvalInTTY(op)
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wg.Done()
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}()
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wg.Wait()
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}
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func BenchmarkOutputCaptureOverhead(b *testing.B) {
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benchmarkOutputCapture(b.N, func(fm *Frame) {})
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}
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func BenchmarkOutputCaptureValues(b *testing.B) {
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.ports[1].Chan <- "test"
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})
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}
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func BenchmarkOutputCaptureBytes(b *testing.B) {
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bytesToWrite := []byte("test")
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.ports[1].File.Write(bytesToWrite)
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})
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}
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func BenchmarkOutputCaptureMixed(b *testing.B) {
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bytesToWrite := []byte("test")
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.ports[1].Chan <- false
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fm.ports[1].File.Write(bytesToWrite)
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})
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}
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func benchmarkOutputCapture(n int, f func(*Frame)) {
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ev := NewEvaler()
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defer ev.Close()
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fm := NewTopFrame(ev, NewInternalGoSource("[benchmark]"), []*Port{{}, {}, {}})
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for i := 0; i < n; i++ {
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captureOutput(fm, func(fm *Frame) error {
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f(fm)
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return nil
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})
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}
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}
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