replace zxq.co/ripple/hanayo

vendor/github.com/rjeczalik/notify/watchpoint_test.go

@@ -0,0 +1,162 @@
+// Copyright (c) 2014-2015 The Notify Authors. All rights reserved.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+package notify
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func call(wp watchpoint, fn interface{}, args []interface{}) eventDiff {
+	vals := []reflect.Value{reflect.ValueOf(wp)}
+	for _, arg := range args {
+		vals = append(vals, reflect.ValueOf(arg))
+	}
+	res := reflect.ValueOf(fn).Call(vals)
+	if n := len(res); n != 1 {
+		panic(fmt.Sprintf("unexpected len(res)=%d", n))
+	}
+	diff, ok := res[0].Interface().(eventDiff)
+	if !ok {
+		panic(fmt.Sprintf("want typeof(diff)=EventDiff; got %T", res[0].Interface()))
+	}
+	return diff
+}
+
+func TestWatchpoint(t *testing.T) {
+	ch := NewChans(5)
+	all := All | recursive
+	cases := [...]struct {
+		fn    interface{}
+		args  []interface{}
+		diff  eventDiff
+		total Event
+	}{
+		// i=0
+		{
+			watchpoint.Add,
+			[]interface{}{ch[0], Remove},
+			eventDiff{0, Remove},
+			Remove,
+		},
+		// i=1
+		{
+			watchpoint.Add,
+			[]interface{}{ch[1], Create | Remove | recursive},
+			eventDiff{Remove, Remove | Create},
+			Create | Remove | recursive,
+		},
+		// i=2
+		{
+			watchpoint.Add,
+			[]interface{}{ch[2], Create | Rename},
+			eventDiff{Create | Remove, Create | Remove | Rename},
+			Create | Remove | Rename | recursive,
+		},
+		// i=3
+		{
+			watchpoint.Add,
+			[]interface{}{ch[0], Write | recursive},
+			eventDiff{Create | Remove | Rename, Create | Remove | Rename | Write},
+			Create | Remove | Rename | Write | recursive,
+		},
+		// i=4
+		{
+			watchpoint.Add,
+			[]interface{}{ch[2], Remove | recursive},
+			none,
+			Create | Remove | Rename | Write | recursive,
+		},
+		// i=5
+		{
+			watchpoint.Del,
+			[]interface{}{ch[0], all},
+			eventDiff{Create | Remove | Rename | Write, Create | Remove | Rename},
+			Create | Remove | Rename | recursive,
+		},
+		// i=6
+		{
+			watchpoint.Del,
+			[]interface{}{ch[2], all},
+			eventDiff{Create | Remove | Rename, Create | Remove},
+			Create | Remove | recursive,
+		},
+		// i=7
+		{
+			watchpoint.Add,
+			[]interface{}{ch[3], Create | Remove},
+			none,
+			Create | Remove | recursive,
+		},
+		// i=8
+		{
+			watchpoint.Del,
+			[]interface{}{ch[1], all},
+			none,
+			Create | Remove,
+		},
+		// i=9
+		{
+			watchpoint.Add,
+			[]interface{}{ch[3], recursive | Write},
+			eventDiff{Create | Remove, Create | Remove | Write},
+			Create | Remove | Write | recursive,
+		},
+		// i=10
+		{
+			watchpoint.Del,
+			[]interface{}{ch[3], Create},
+			eventDiff{Create | Remove | Write, Remove | Write},
+			Remove | Write | recursive,
+		},
+		// i=11
+		{
+			watchpoint.Add,
+			[]interface{}{ch[3], Create | Rename},
+			eventDiff{Remove | Write, Create | Remove | Rename | Write},
+			Create | Remove | Rename | Write | recursive,
+		},
+		// i=12
+		{
+			watchpoint.Add,
+			[]interface{}{ch[2], Remove | Write},
+			none,
+			Create | Remove | Rename | Write | recursive,
+		},
+		// i=13
+		{
+			watchpoint.Del,
+			[]interface{}{ch[3], Create | Remove | Write},
+			eventDiff{Create | Remove | Rename | Write, Remove | Rename | Write},
+			Remove | Rename | Write | recursive,
+		},
+		// i=14
+		{
+			watchpoint.Del,
+			[]interface{}{ch[2], Remove},
+			eventDiff{Remove | Rename | Write, Rename | Write},
+			Rename | Write | recursive,
+		},
+		// i=15
+		{
+			watchpoint.Del,
+			[]interface{}{ch[3], Rename | recursive},
+			eventDiff{Rename | Write, Write},
+			Write,
+		},
+	}
+	wp := watchpoint{}
+	for i, cas := range cases {
+		if diff := call(wp, cas.fn, cas.args); diff != cas.diff {
+			t.Errorf("want diff=%v; got %v (i=%d)", cas.diff, diff, i)
+			continue
+		}
+		if total := wp[nil]; total != cas.total {
+			t.Errorf("want total=%v; got %v (i=%d)", cas.total, total, i)
+			continue
+		}
+	}
+}