all files / core/ test-runner.ts

94.87% Statements 111/117
85.29% Branches 29/34
85.71% Functions 24/28
96.26% Lines 103/107
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217         69×       67× 67× 67× 67× 67× 67×       67×   1556×   67×     67×       67× 353× 1556× 1556× 334×   67× 19×       48× 48×   48× 48×   48× 48×           48×     5045× 5045×   5045×     5044×   5044× 66× 66×       5044× 5044× 50×   50× 50×   50×   50× 50× 50×             50×             4994× 4992×                               5042× 5042×   5042×   5042×     67× 5045×   5045× 5045×     5045×     5044×   5044×   5044× 66× 66×         48×     285× 285× 285× 285×     285× 48×     237×     234×   234× 234×             1283× 1283×   1283× 282×     1001×   1001×           67× 5044×   5044× 1282×     3762×          
import { MatchError } from "./_errors";
import { TestSet } from "./_core";
import { ITestFixture } from "./_interfaces/test-fixture.i";
import { ITest } from "./_interfaces/test.i";
import { createPromise } from "../promise/create-promise";
import { TestSetResults, TestFixtureResults, TestResults } from "./_results";
import "reflect-metadata";
 
export class TestRunner {
 
   private _testsFocussed: boolean;
   private _testFixtures: Array<ITestFixture>;
   private _currentTestId: number = 0;
   private _currentTestFixtureIndex: number = 0;
   private _currentTestIndex: number = 0;
   private _currentTestCaseIndex: number = 0;
   private _resultPromise: any = createPromise();
   private _testResults = new TestSetResults();
   private _currentTestResults: TestResults;
   private _currentTestFixtureResults: TestFixtureResults;
 
   public run(testSet: TestSet) {
 
     let anyTestsFocussed = testSet.testFixtures.filter(testFixture => testFixture.focussed || testFixture.tests.filter(test => test.focussed).length > 0).length > 0;
 
     this._testFixtures = testSet.testFixtures;
 
     // Filter out unfocussed tests if any are focussed
     Iif (anyTestsFocussed) {
       this._testFixtures = testSet.testFixtures.filter(testFixture => testFixture.focussed || testFixture.tests.filter(test => test.focussed).length > 0);
     }
 
      let totalTestCount = this._testFixtures
                                   .filter(x => x.tests.length > 0)
                                   .map(x => x.tests.map((y: any) => y.testCases.length)
                                   .reduce((a: number, b: number) => a + b, 0))
                                   .reduce((a: number, b: number) => a + b, 0);
 
      if (totalTestCount === 0) {
        throw new Error("no tests to run.");
      }
      else {
 
         process.stdout.write("TAP version 13\n");
         process.stdout.write(`1..${totalTestCount}\n`);
 
         this._currentTestFixtureResults = this._testResults.addTestFixtureResult(this._testFixtures[this._currentTestFixtureIndex]);
         this._currentTestResults = this._currentTestFixtureResults.addTestResult(this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex]);
 
         setTimeout(() => {
         this._runTest(this._testFixtures[this._currentTestFixtureIndex],
                 this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex],
                 this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex].testCases[this._currentTestCaseIndex].arguments);
              });
      }
 
      return this._resultPromise;
   }
 
   private _runTest(testFixture: ITestFixture, test: ITest, testCaseArguments: Array<any>) {
     this._currentTestId++;
 
     if (test.ignored) {
       process.stdout.write(`ok ${this._getTestDescription(test, testCaseArguments)}\n`);
       this._runNextTest();
       return;
     }
 
     let setupFunctions: Array<string> = Reflect.getMetadata("alsatian:setup", testFixture.fixture);
 
     if (setupFunctions) {
       setupFunctions.forEach(setupFunction => {
           testFixture.fixture[setupFunction].call(testFixture.fixture);
       });
     }
 
     try {
        if (test.isAsync) {
           let timeout = false;
 
           let promise: any = testFixture.fixture[test.key].apply(testFixture.fixture, testCaseArguments);
           let timeoutCheck: NodeJS.Timer = null;
 
          promise.then(() => {
 
             Eif (!timeout) {
               this._notifySuccess(test, testCaseArguments);
               clearTimeout(timeoutCheck);
             }
           })
           .catch((error: Error) => {
             this._handleError(error, test, testCaseArguments);
           });
 
           timeoutCheck = setTimeout(() => {
 
             timeout = true;
             this._handleError(new /*MatchError("longer than 500ms", "less than 500ms",*/Error("The test exceeded the given timeout."), test, testCaseArguments);
          }, test.timeout | 500);
        }
        else {
          testFixture.fixture[test.key].apply(testFixture, testCaseArguments);
          this._notifySuccess(test, testCaseArguments);
        }
     }
     catch (error) {
       this._handleError(error, test, testCaseArguments);
     }
   }
 
   private _handleError(error: Error, test: ITest, testCaseArguments: Array<any>) {
 
     this._teardown();
 
     this._currentTestResults.addTestCaseResult(testCaseArguments, error);
     process.stdout.write(`not ok ${this._getTestDescription(test, testCaseArguments)}\n`);
 
     if (error instanceof MatchError) {
       process.stdout.write(` ---\n   message: "${error.message}"\n   severity: fail\n   data:\n     got: ${JSON.stringify(error.actualValue)}\n     expect: ${JSON.stringify(error.expectedValue)}\n ...\n`);
     }
     else {
        console.log(error);
       process.stdout.write("# Unknown Error\n");
     }
 
     this._runNextTestCase();
   }
 
   private _notifySuccess(test: ITest, testCaseArguments: Array<any>) {
     this._teardown();
     process.stdout.write(`ok ${this._getTestDescription(test, testCaseArguments)}\n`);
 
     this._currentTestResults.addTestCaseResult(testCaseArguments);
 
     this._runNextTestCase();
   }
 
   private _getTestDescription = (test: ITest, testCaseArguments: Array<any>) => {
     let testDescription = `${this._currentTestId} ${test.ignored ? "# skip " : ""}${test.description}`;
 
     Eif (testCaseArguments !== undefined) {
       testDescription += ` [ ${testCaseArguments.map(x => JSON.stringify(x) || "undefined").join(", ")} ]`;
     }
 
     return testDescription;
   }
 
   private _teardown() {
     let testFixture = this._testFixtures[this._currentTestFixtureIndex];
 
     let teardownFunctions: Array<string> = Reflect.getMetadata("alsatian:teardown", testFixture.fixture);
 
     if (teardownFunctions) {
       teardownFunctions.forEach(teardownFunction => {
           testFixture.fixture[teardownFunction].call(testFixture.fixture);
       });
     }
   }
 
   private _exit() {
     this._resultPromise.resolve(this._testResults);
   }
 
   private _runNextTestFixture() {
     this._currentTestFixtureIndex++;
     this._currentTestIndex = 0;
     this._currentTestCaseIndex = 0;
 
     // no more test fixtures
     if (!this._testFixtures[this._currentTestFixtureIndex]) {
       this._exit();
     }
     // no tests on this fixture
     else if (!this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex]) {
       this._runNextTestFixture();
     }
     else {
        this._currentTestFixtureResults = this._testResults.addTestFixtureResult(this._testFixtures[this._currentTestFixtureIndex]);
 
        setTimeout(() => {
          this._runTest(this._testFixtures[this._currentTestFixtureIndex],
                  this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex],
                  this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex].testCases[this._currentTestCaseIndex].arguments);
        });
     }
   }
 
   private _runNextTest() {
     this._currentTestIndex++;
     this._currentTestCaseIndex = 0;
 
     if (!this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex]) {
       this._runNextTestFixture();
     }
     else {
        this._currentTestResults = this._currentTestFixtureResults.addTestResult(this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex]);
 
       this._runTest(this._testFixtures[this._currentTestFixtureIndex],
               this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex],
               this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex].testCases[this._currentTestCaseIndex].arguments);
     }
   }
 
   private _runNextTestCase = () => {
     this._currentTestCaseIndex++;
 
     if (!this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex].testCases[this._currentTestCaseIndex]) {
       this._runNextTest();
     }
     else {
       this._runTest(this._testFixtures[this._currentTestFixtureIndex],
               this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex],
               this._testFixtures[this._currentTestFixtureIndex].tests[this._currentTestIndex].testCases[this._currentTestCaseIndex].arguments);
     }
   }
}