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| 1 | +/*jshint globalstrict:false, strict:false */ |
| 2 | +/*global assertEqual, assertNotEqual, assertTrue, getOptions, fail, assertFalse */ |
| 3 | + |
| 4 | +//////////////////////////////////////////////////////////////////////////////// |
| 5 | +/// @brief test the deadlock detection |
| 6 | +/// |
| 7 | +/// @file |
| 8 | +/// |
| 9 | +/// DISCLAIMER |
| 10 | +/// |
| 11 | +/// Copyright 2010-2012 triagens GmbH, Cologne, Germany |
| 12 | +/// |
| 13 | +/// Licensed under the Apache License, Version 2.0 (the "License"); |
| 14 | +/// you may not use this file except in compliance with the License. |
| 15 | +/// You may obtain a copy of the License at |
| 16 | +/// |
| 17 | +/// http://www.apache.org/licenses/LICENSE-2.0 |
| 18 | +/// |
| 19 | +/// Unless required by applicable law or agreed to in writing, software |
| 20 | +/// distributed under the License is distributed on an "AS IS" BASIS, |
| 21 | +/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 22 | +/// See the License for the specific language governing permissions and |
| 23 | +/// limitations under the License. |
| 24 | +/// |
| 25 | +/// Copyright holder is triAGENS GmbH, Cologne, Germany |
| 26 | +/// |
| 27 | +/// @author Jan Christoph Uhde |
| 28 | +/// @author Copyright 2019, triAGENS GmbH, Cologne, Germany |
| 29 | +//////////////////////////////////////////////////////////////////////////////// |
| 30 | + |
| 31 | +if (getOptions === true) { |
| 32 | + return { |
| 33 | + 'rocksdb.exclusive-writes': 'false', |
| 34 | + }; |
| 35 | +} |
| 36 | + |
| 37 | +var jsunity = require("jsunity"); |
| 38 | +var tasks = require("@arangodb/tasks"); |
| 39 | +var arangodb = require("@arangodb"); |
| 40 | +var db = arangodb.db; |
| 41 | + |
| 42 | +var ERRORS = arangodb.errors; |
| 43 | + |
| 44 | +//////////////////////////////////////////////////////////////////////////////// |
| 45 | +/// @brief test suite |
| 46 | +//////////////////////////////////////////////////////////////////////////////// |
| 47 | + |
| 48 | +function OptionsTestSuite () { |
| 49 | + var cn1 = "UnitTestsExclusiveCollection1"; // used for test data |
| 50 | + var cn2 = "UnitTestsExclusiveCollection2"; // used for communication |
| 51 | + var c1, c2; |
| 52 | + |
| 53 | + return { |
| 54 | + |
| 55 | +//////////////////////////////////////////////////////////////////////////////// |
| 56 | +/// @brief set up |
| 57 | +//////////////////////////////////////////////////////////////////////////////// |
| 58 | + |
| 59 | + setUp : function () { |
| 60 | + db._drop(cn1); |
| 61 | + db._drop(cn2); |
| 62 | + c1 = db._create(cn1); |
| 63 | + c2 = db._create(cn2); |
| 64 | + }, |
| 65 | + |
| 66 | +//////////////////////////////////////////////////////////////////////////////// |
| 67 | +/// @brief tear down |
| 68 | +//////////////////////////////////////////////////////////////////////////////// |
| 69 | + |
| 70 | + tearDown : function () { |
| 71 | + db._drop(cn1); |
| 72 | + db._drop(cn2); |
| 73 | + }, |
| 74 | + |
| 75 | + testExclusiveExpectConflictWithoutOption : function () { |
| 76 | + c1.insert({ "_key" : "XXX" , "name" : "initial" }); |
| 77 | + let task = tasks.register({ |
| 78 | + command: function() { |
| 79 | + let db = require("internal").db; |
| 80 | + db.UnitTestsExclusiveCollection2.insert({ _key: "runner1", value: false }); |
| 81 | + |
| 82 | + while (!db.UnitTestsExclusiveCollection2.exists("runner2")) { |
| 83 | + require("internal").sleep(0.02); |
| 84 | + } |
| 85 | + |
| 86 | + db._executeTransaction({ |
| 87 | + collections: { write: [ "UnitTestsExclusiveCollection1", "UnitTestsExclusiveCollection2" ] }, |
| 88 | + action: function () { |
| 89 | + let db = require("internal").db; |
| 90 | + for (let i = 0; i < 100000; ++i) { |
| 91 | + db.UnitTestsExclusiveCollection1.update("XXX", { name : "runner1" }); |
| 92 | + } |
| 93 | + db.UnitTestsExclusiveCollection2.update("runner1", { value: true }); |
| 94 | + } |
| 95 | + }); |
| 96 | + } |
| 97 | + }); |
| 98 | + |
| 99 | + db.UnitTestsExclusiveCollection2.insert({ _key: "runner2", value: false }); |
| 100 | + while (!db.UnitTestsExclusiveCollection2.exists("runner1")) { |
| 101 | + require("internal").sleep(0.02); |
| 102 | + } |
| 103 | + |
| 104 | + try { |
| 105 | + db._executeTransaction({ |
| 106 | + collections: { write: [ "UnitTestsExclusiveCollection1", "UnitTestsExclusiveCollection2" ] }, |
| 107 | + action: function () { |
| 108 | + let db = require("internal").db; |
| 109 | + for (let i = 0; i < 100000; ++i) { |
| 110 | + db.UnitTestsExclusiveCollection1.update("XXX", { name : "runner2" }); |
| 111 | + } |
| 112 | + db.UnitTestsExclusiveCollection2.update("runner2", { value: true }); |
| 113 | + } |
| 114 | + }); |
| 115 | + fail(); |
| 116 | + } catch (err) { |
| 117 | + assertEqual(ERRORS.ERROR_ARANGO_CONFLICT.code, err.errorNum); |
| 118 | + assertEqual(409, err.code); // conflict |
| 119 | + assertTrue( // it is possible to get two different errors messages here (two different internal states can appear) |
| 120 | + (("precondition failed" === err.errorMessage) || ("timeout waiting to lock key Operation timed out: Timeout waiting to lock key" === err.errorMessage)) |
| 121 | + ); |
| 122 | + } |
| 123 | + |
| 124 | + while (true) { |
| 125 | + try { |
| 126 | + tasks.get(task); |
| 127 | + require("internal").wait(0.25, false); |
| 128 | + } catch (err) { |
| 129 | + // "task not found" means the task is finished |
| 130 | + break; |
| 131 | + } |
| 132 | + } |
| 133 | + |
| 134 | + // only one transaction should have succeeded |
| 135 | + assertEqual(2, c2.count()); |
| 136 | + assertTrue(c2.document("runner1").value); // runner1 transaction should succeed |
| 137 | + assertFalse(c2.document("runner2").value); // runner2 transaction should fail |
| 138 | + } |
| 139 | + |
| 140 | + }; |
| 141 | +} |
| 142 | + |
| 143 | +//////////////////////////////////////////////////////////////////////////////// |
| 144 | +/// @brief executes the test suite |
| 145 | +//////////////////////////////////////////////////////////////////////////////// |
| 146 | + |
| 147 | +jsunity.run(OptionsTestSuite); |
| 148 | + |
| 149 | +return jsunity.done(); |
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