126 lines
4 KiB
Go
126 lines
4 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package main
|
|
|
|
import "testing"
|
|
|
|
// Tests functionality provided by namespace lock.
|
|
func TestNamespaceLockTest(t *testing.T) {
|
|
// Initialize name space lock.
|
|
initNSLock()
|
|
|
|
// List of test cases.
|
|
testCases := []struct {
|
|
lk func(s1, s2 string)
|
|
unlk func(s1, s2 string)
|
|
rlk func(s1, s2 string)
|
|
runlk func(s1, s2 string)
|
|
lkCount int
|
|
lockedRefCount uint
|
|
unlockedRefCount uint
|
|
shouldPass bool
|
|
}{
|
|
{
|
|
lk: nsMutex.Lock,
|
|
unlk: nsMutex.Unlock,
|
|
lockedRefCount: 1,
|
|
unlockedRefCount: 0,
|
|
shouldPass: true,
|
|
},
|
|
{
|
|
rlk: nsMutex.RLock,
|
|
runlk: nsMutex.RUnlock,
|
|
lockedRefCount: 4,
|
|
unlockedRefCount: 2,
|
|
shouldPass: true,
|
|
},
|
|
{
|
|
rlk: nsMutex.RLock,
|
|
runlk: nsMutex.RUnlock,
|
|
lockedRefCount: 1,
|
|
unlockedRefCount: 0,
|
|
shouldPass: true,
|
|
},
|
|
}
|
|
|
|
// Run all test cases.
|
|
|
|
// Write lock tests.
|
|
testCase := testCases[0]
|
|
testCase.lk("a", "b") // lock once.
|
|
nsLk, ok := nsMutex.lockMap[nsParam{"a", "b"}]
|
|
if !ok && testCase.shouldPass {
|
|
t.Errorf("Lock in map missing.")
|
|
}
|
|
// Validate loced ref count.
|
|
if testCase.lockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 1, testCase.lockedRefCount, nsLk.ref)
|
|
}
|
|
testCase.unlk("a", "b") // unlock once.
|
|
if testCase.unlockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 1, testCase.unlockedRefCount, nsLk.ref)
|
|
}
|
|
_, ok = nsMutex.lockMap[nsParam{"a", "b"}]
|
|
if ok && !testCase.shouldPass {
|
|
t.Errorf("Lock map found after unlock.")
|
|
}
|
|
|
|
// Read lock tests.
|
|
testCase = testCases[1]
|
|
testCase.rlk("a", "b") // lock once.
|
|
testCase.rlk("a", "b") // lock second time.
|
|
testCase.rlk("a", "b") // lock third time.
|
|
testCase.rlk("a", "b") // lock fourth time.
|
|
nsLk, ok = nsMutex.lockMap[nsParam{"a", "b"}]
|
|
if !ok && testCase.shouldPass {
|
|
t.Errorf("Lock in map missing.")
|
|
}
|
|
// Validate loced ref count.
|
|
if testCase.lockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 1, testCase.lockedRefCount, nsLk.ref)
|
|
}
|
|
testCase.runlk("a", "b") // unlock once.
|
|
testCase.runlk("a", "b") // unlock second time.
|
|
if testCase.unlockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 2, testCase.unlockedRefCount, nsLk.ref)
|
|
}
|
|
_, ok = nsMutex.lockMap[nsParam{"a", "b"}]
|
|
if !ok && testCase.shouldPass {
|
|
t.Errorf("Lock map not found.")
|
|
}
|
|
|
|
// Read lock 0 ref count.
|
|
testCase = testCases[2]
|
|
testCase.rlk("a", "c") // lock once.
|
|
|
|
nsLk, ok = nsMutex.lockMap[nsParam{"a", "c"}]
|
|
if !ok && testCase.shouldPass {
|
|
t.Errorf("Lock in map missing.")
|
|
}
|
|
// Validate loced ref count.
|
|
if testCase.lockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 3, testCase.lockedRefCount, nsLk.ref)
|
|
}
|
|
testCase.runlk("a", "c") // unlock once.
|
|
if testCase.unlockedRefCount != nsLk.ref && testCase.shouldPass {
|
|
t.Errorf("Test %d fails, expected to pass. Wanted ref count is %d, got %d", 3, testCase.unlockedRefCount, nsLk.ref)
|
|
}
|
|
_, ok = nsMutex.lockMap[nsParam{"a", "c"}]
|
|
if ok && !testCase.shouldPass {
|
|
t.Errorf("Lock map not found.")
|
|
}
|
|
}
|