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