1 files changed, 111 insertions, 0 deletions
diff --git a/modules/process/manager_test.go b/modules/process/manager_test.go
new file mode 100644
index 00000000..36b2a912
--- /dev/null
+++ b/modules/process/manager_test.go
@@ -0,0 +1,111 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+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.FailNow(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.FailNow(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())
+
+	finished()
+
+	_, 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)
+		}
+	}
+}