gitea/modules/process/manager_test.go

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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package process
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestGetManager(t *testing.T) {
go func() {
// test race protection
_ = GetManager()
}()
pm := GetManager()
assert.NotNil(t, pm)
}
func TestManager_AddContext(t *testing.T) {
pm := Manager{processMap: make(map[IDType]*process), next: 1}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p1Ctx, _, finished := pm.AddContext(ctx, "foo")
defer finished()
assert.NotEmpty(t, GetContext(p1Ctx).GetPID(), "expected to get non-empty pid")
p2Ctx, _, finished := pm.AddContext(p1Ctx, "bar")
defer finished()
assert.NotEmpty(t, GetContext(p2Ctx).GetPID(), "expected to get non-empty pid")
assert.NotEqual(t, GetContext(p1Ctx).GetPID(), GetContext(p2Ctx).GetPID(), "expected to get different pids %s == %s", GetContext(p2Ctx).GetPID(), GetContext(p1Ctx).GetPID())
assert.Equal(t, GetContext(p1Ctx).GetPID(), GetContext(p2Ctx).GetParent().GetPID(), "expected to get pid %s got %s", GetContext(p1Ctx).GetPID(), GetContext(p2Ctx).GetParent().GetPID())
}
func TestManager_Cancel(t *testing.T) {
pm := Manager{processMap: make(map[IDType]*process), next: 1}
ctx, _, finished := pm.AddContext(context.Background(), "foo")
defer finished()
pm.Cancel(GetPID(ctx))
select {
case <-ctx.Done():
default:
assert.Fail(t, "Cancel should cancel the provided context")
}
finished()
ctx, cancel, finished := pm.AddContext(context.Background(), "foo")
defer finished()
cancel()
select {
case <-ctx.Done():
default:
assert.Fail(t, "Cancel should cancel the provided context")
}
finished()
}
func TestManager_Remove(t *testing.T) {
pm := Manager{processMap: make(map[IDType]*process), next: 1}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p1Ctx, _, finished := pm.AddContext(ctx, "foo")
defer finished()
assert.NotEmpty(t, GetContext(p1Ctx).GetPID(), "expected to have non-empty PID")
p2Ctx, _, finished := pm.AddContext(p1Ctx, "bar")
defer finished()
assert.NotEqual(t, GetContext(p1Ctx).GetPID(), GetContext(p2Ctx).GetPID(), "expected to get different pids got %s == %s", GetContext(p2Ctx).GetPID(), GetContext(p1Ctx).GetPID())
pm.Remove(GetPID(p2Ctx))
_, exists := pm.processMap[GetPID(p2Ctx)]
assert.False(t, exists, "PID %d is in the list but shouldn't", GetPID(p2Ctx))
}
func TestExecTimeoutNever(t *testing.T) {
// TODO Investigate how to improve the time elapsed per round.
maxLoops := 10
for i := 1; i < maxLoops; i++ {
_, stderr, err := GetManager().ExecTimeout(5*time.Second, "ExecTimeout", "git", "--version")
if err != nil {
t.Fatalf("git --version: %v(%s)", err, stderr)
}
}
}
func TestExecTimeoutAlways(t *testing.T) {
maxLoops := 100
for i := 1; i < maxLoops; i++ {
_, stderr, err := GetManager().ExecTimeout(100*time.Microsecond, "ExecTimeout", "sleep", "5")
// TODO Simplify logging and errors to get precise error type. E.g. checking "if err != context.DeadlineExceeded".
if err == nil {
t.Fatalf("sleep 5 secs: %v(%s)", err, stderr)
}
}
}