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How to use createPriorityPreprocessor method in Karma

Best JavaScript code snippet using karma

preprocessor.spec.js

Source:preprocessor.spec.js

...33    fakePreprocessor = sinon.spy((content, file, done) => {34      file.path = file.path + '-preprocessed'35      done(null, 'new-content')36    })37    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)38    const file = { originalPath: '/some/a.js', path: 'path' }39    await pp(file)40    expect(fakePreprocessor).to.have.been.called41    expect(file.path).to.equal('path-preprocessed')42    expect(file.content).to.equal('new-content')43  })44  it('should match directories starting with a dot', async () => {45    fakePreprocessor = sinon.spy((content, file, done) => {46      file.path = file.path + '-preprocessed'47      done(null, 'new-content')48    })49    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)50    const file = { originalPath: '/some/.dir/a.js', path: 'path' }51    await pp(file)52    expect(fakePreprocessor).to.have.been.called53    expect(file.path).to.equal('path-preprocessed')54    expect(file.content).to.equal('new-content')55  })56  it('should get content if preprocessor is an async function or return Promise with content', async () => {57    fakePreprocessor = sinon.spy(async (content, file, done) => {58      file.path = file.path + '-preprocessed'59      return 'new-content'60    })61    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)62    const file = { originalPath: '/some/.dir/a.js', path: 'path' }63    await pp(file)64    expect(fakePreprocessor).to.have.been.called65    expect(file.path).to.equal('path-preprocessed')66    expect(file.content).to.equal('new-content')67  })68  it('should get content if preprocessor is an async function still calling done()', async () => {69    fakePreprocessor = sinon.spy(async (content, file, done) => {70      file.path = file.path + '-preprocessed'71      done(null, 'new-content')72    })73    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)74    const file = { originalPath: '/some/.dir/a.js', path: 'path' }75    await pp(file)76    expect(fakePreprocessor).to.have.been.called77    expect(file.path).to.equal('path-preprocessed')78    expect(file.content).to.equal('new-content')79  })80  it('should check patterns after creation when invoked', async () => {81    fakePreprocessor = sinon.spy((content, file, done) => {82      file.path = file.path + '-preprocessed'83      done(null, 'new-content')84    })85    const config = { '**/*.txt': ['fake'] }86    const pp = m.createPriorityPreprocessor(config, {}, null, simpleFakeInstantiatePlugin)87    const file = { originalPath: '/some/a.js', path: 'path' }88    config['**/*.js'] = ['fake']89    await pp(file)90    expect(fakePreprocessor).to.have.been.called91    expect(file.path).to.equal('path-preprocessed')92    expect(file.content).to.equal('new-content')93  })94  it('should ignore not matching file', async () => {95    fakePreprocessor = sinon.spy((content, file, done) => {96      done(null, '')97    })98    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)99    const file = { originalPath: '/some/a.txt', path: 'path' }100    await pp(file)101    expect(fakePreprocessor).to.not.have.been.called102  })103  it('should apply all preprocessors', async () => {104    const fakes = {105      fake1: sinon.spy((content, file, done) => {106        file.path = file.path + '-p1'107        done(null, content + '-c1')108      }),109      fake2: sinon.spy((content, file, done) => {110        file.path = file.path + '-p2'111        done(content + '-c2')112      })113    }114    function fakeInstatiatePlugin (kind, name) {115      return fakes[name]116    }117    const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake1', 'fake2'] }, {}, null, fakeInstatiatePlugin)118    const file = { originalPath: '/some/a.js', path: 'path' }119    await pp(file)120    expect(fakes.fake1).to.have.been.calledOnce121    expect(fakes.fake2).to.have.been.calledOnce122    expect(file.path).to.equal('path-p1-p2')123    expect(file.content).to.equal('content-c1-c2')124  })125  it('should compute SHA', async () => {126    const pp = m.createPriorityPreprocessor({}, {}, null, simpleFakeInstantiatePlugin)127    const file = { originalPath: '/some/a.js', path: 'path' }128    await pp(file)129    expect(file.sha).to.exist130    expect(file.sha.length).to.equal(40)131    const previousSHA = file.sha132    await pp(file)133    expect(file.sha).to.equal(previousSHA)134    mockFs._touchFile('/some/a.js', null, 'new-content')135    await pp(file)136    expect(file.sha.length).to.equal(40)137    expect(file.sha).not.to.equal(previousSHA)138  })139  it('should compute SHA from content returned by a processor', async () => {140    fakePreprocessor = sinon.spy((content, file, done) => {141      done(null, content + '-processed')142    })143    const pp = m.createPriorityPreprocessor({ '**/a.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)144    const fileProcess = { originalPath: '/some/a.js', path: 'path' }145    const fileSkip = { originalPath: '/some/b.js', path: 'path' }146    await pp(fileProcess)147    await pp(fileSkip)148    expect(fileProcess.sha).to.exist149    expect(fileProcess.sha.length).to.equal(40)150    expect(fileSkip.sha).to.exist151    expect(fileSkip.sha.length).to.equal(40)152    expect(fileProcess.sha).not.to.equal(fileSkip.sha)153  })154  it('should return error if any preprocessor fails', () => {155    fakePreprocessor = sinon.spy((content, file, done) => {156      done(new Error('Some error'), null)157    })158    const pp = m.createPriorityPreprocessor({ '**/*.js': ['failing'] }, {}, null, simpleFakeInstantiatePlugin)159    const file = { originalPath: '/some/a.js', path: 'path' }160    return pp(file).then(() => {161      throw new Error('Should be failed')162    }, (err) => {163      expect(err).to.exist164    })165  })166  it('should stop preprocessing after an error', async () => {167    const fakes = {168      failing: sinon.spy((content, file, done) => {169        done(new Error('Some error'), null)170      }),171      fake: sinon.spy((content, file, done) => {172        done(null, content)173      })174    }175    function fakeInstantiatePlugin (kind, name) {176      return fakes[name]177    }178    const pp = m.createPriorityPreprocessor({ '**/*.js': ['failing', 'fake'] }, {}, null, fakeInstantiatePlugin)179    const file = { originalPath: '/some/a.js', path: 'path' }180    await pp(file).then(() => {181      throw new Error('should be failed')182    }, (err) => {183      expect(err.message).to.equal('Some error')184    })185    expect(fakes.fake).not.to.have.been.called186  })187  describe('when fs.readFile fails', () => {188    const file = { originalPath: '/some/a.js', path: 'path' }189    beforeEach(() => {190      sinon.stub(mockFs, 'readFileSync').throwsException('error')191    })192    it('should retry up to 3 times', async () => {193      fakePreprocessor = sinon.spy((content, file, done) => {194        done(null, content)195      })196      const pp = m.createPriorityPreprocessor({ '**/*.js': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)197      await pp(file).then(() => {198        throw new Error('Should be rejected')199      }, () => {200        // 3 times repeated and 1 the first execution201        expect(mockFs.readFileSync.callCount).to.equal(4)202        expect(fakePreprocessor.notCalled).to.be.true203        mockFs.readFileSync.restore()204      })205    })206    it('should throw after 3 retries', async () => {207      const pp = m.createPriorityPreprocessor({ '**/*.js': [] }, {}, null, simpleFakeInstantiatePlugin)208      await pp(file).then(() => {209        throw new Error('Should be rejected')210      }, () => {211        expect(mockFs.readFileSync.callCount).to.equal(4)212        mockFs.readFileSync.restore()213      })214    })215  })216  it('should not preprocess binary files by default', async () => {217    fakePreprocessor = sinon.spy((content, file, done) => {218      done(null, content)219    })220    const pp = m.createPriorityPreprocessor({ '**/*': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)221    const file = { originalPath: '/some/photo.png', path: 'path' }222    await pp(file)223    expect(fakePreprocessor).not.to.have.been.called224    expect(file.content).to.be.an.instanceof(Buffer)225  })226  it('should not preprocess files configured to be binary', async () => {227    fakePreprocessor = sinon.spy((content, file, done) => {228      done(null, content)229    })230    const pp = m.createPriorityPreprocessor({ '**/*': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)231    const file = { originalPath: '/some/proto.pb', path: 'path', isBinary: true }232    await pp(file)233    expect(fakePreprocessor).not.to.have.been.called234    expect(file.content).to.be.an.instanceof(Buffer)235  })236  it('should preprocess files configured not to be binary', async () => {237    fakePreprocessor = sinon.spy((content, file, done) => {238      done(null, content)239    })240    const pp = m.createPriorityPreprocessor({ '**/*': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)241    // Explicit false for isBinary242    const file = { originalPath: '/some/proto.pb', path: 'path', isBinary: false }243    await pp(file)244    expect(fakePreprocessor).to.have.been.calledOnce245    expect(typeof file.content).to.equal('string')246  })247  it('should preprocess binary files if handleBinaryFiles=true', async () => {248    fakePreprocessor = sinon.spy((content, file, done) => {249      done(null, content)250    })251    fakePreprocessor.handleBinaryFiles = true252    const pp = m.createPriorityPreprocessor({ '**/*': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)253    const file = { originalPath: '/some/photo.png', path: 'path' }254    await pp(file)255    expect(fakePreprocessor).to.have.been.calledOnce256    expect(file.content).to.be.an.instanceof(Buffer)257  })258  it('should not preprocess binary files with capital letters in extension', async () => {259    fakePreprocessor = sinon.spy((content, file, done) => {260      done(null, content)261    })262    const pp = m.createPriorityPreprocessor({ '**/*': ['fake'] }, {}, null, simpleFakeInstantiatePlugin)263    const file = { originalPath: '/some/CAM_PHOTO.JPG', path: 'path' }264    await pp(file)265    expect(fakePreprocessor).not.to.have.been.called266    expect(file.content).to.be.an.instanceof(Buffer)267  })268  it('should merge lists of preprocessors using default priority', async () => {269    const callOrder = []270    const fakes = {271      fakeA: sinon.spy((content, file, done) => {272        callOrder.push('a')273        done(null, content)274      }),275      fakeB: sinon.spy((content, file, done) => {276        callOrder.push('b')277        done(null, content)278      }),279      fakeC: sinon.spy((content, file, done) => {280        callOrder.push('c')281        done(null, content)282      }),283      fakeD: sinon.spy((content, file, done) => {284        callOrder.push('d')285        done(null, content)286      })287    }288    function fakeInstantiatePlugin (kind, name) {289      return fakes[name]290    }291    const pp = m.createPriorityPreprocessor({292      '/*/a.js': ['fakeA', 'fakeB'],293      '/some/*': ['fakeB', 'fakeC'],294      '/some/a.js': ['fakeD']295    }, {}, null, fakeInstantiatePlugin)296    const file = { originalPath: '/some/a.js', path: 'path' }297    await pp(file)298    expect(fakes.fakeA).to.have.been.called299    expect(fakes.fakeB).to.have.been.called300    expect(fakes.fakeC).to.have.been.called301    expect(fakes.fakeD).to.have.been.called302    expect(callOrder).to.eql(['a', 'b', 'c', 'd'])303  })304  it('should merge lists of preprocessors obeying priority', async () => {305    const callOrder = []306    const fakes = {307      fakeA: sinon.spy((content, file, done) => {308        callOrder.push('a')309        done(null, content)310      }),311      fakeB: sinon.spy((content, file, done) => {312        callOrder.push('b')313        done(null, content)314      }),315      fakeC: sinon.spy((content, file, done) => {316        callOrder.push('c')317        done(null, content)318      }),319      fakeD: sinon.spy((content, file, done) => {320        callOrder.push('d')321        done(null, content)322      })323    }324    function fakeInstantiatePlugin (kind, name) {325      return fakes[name]326    }327    const priority = { fakeA: -1, fakeB: 1, fakeD: 100 }328    const pp = m.createPriorityPreprocessor({329      '/*/a.js': ['fakeA', 'fakeB'],330      '/some/*': ['fakeB', 'fakeC'],331      '/some/a.js': ['fakeD']332    }, priority, null, fakeInstantiatePlugin)333    const file = { originalPath: '/some/a.js', path: 'path' }334    await pp(file)335    expect(fakes.fakeA).to.have.been.called336    expect(fakes.fakeB).to.have.been.called337    expect(fakes.fakeC).to.have.been.called338    expect(fakes.fakeD).to.have.been.called339    expect(callOrder).to.eql(['d', 'b', 'c', 'a'])340  })...

preprocessor.js

Source:preprocessor.js

...113// Deprecated API114function createPreprocessor (preprocessors, basePath, injector) {115  console.log('Deprecated private createPreprocessor() API')116  const preprocessorPriority = injector.get('config.preprocessor_priority')117  return createPriorityPreprocessor(preprocessors, preprocessorPriority, basePath, injector)118}119createPreprocessor.$inject = ['config.preprocessors', 'config.basePath', 'injector']120exports.createPreprocessor = createPreprocessor121createPriorityPreprocessor.$inject = ['config.preprocessors', 'config.preprocessor_priority', 'config.basePath', 'injector']...

Using AI Code Generation

1module.exports = function(config) {2  config.set({3    preprocessors: {4    },5    priorityPreprocessor: {6    }7  });8};9module.exports = function(config) {10  config.set({11    preprocessors: {12    },13    priorityPreprocessor: {14    }15  });16};17module.exports = function(config) {18  config.set({19    preprocessors: {20    },21    priorityPreprocessor: {22    }23  });24};25module.exports = function(config) {26  config.set({27    preprocessors: {28    },29    priorityPreprocessor: {30    }31  });32};33module.exports = function(config) {34  config.set({35    preprocessors: {

Using AI Code Generation

1module.exports = function(config) {2  config.set({3    preprocessors: {4    },5    priorityPreprocessor: {6        { pattern: 'test.js', priority: 1 },7        { pattern: 'test2.js', priority: 2 }8    }9  });10};11describe('Test', function() {12  it('should pass', function() {13    expect(true).toBe(true);14  });15});16describe('Test', function() {17  it('should pass', function() {18    expect(true).toBe(true);19  });20});21describe('Test', function() {22  it('should pass', function() {23    expect(true).toBe(true);24  });25});

Using AI Code Generation

1var path = require('path');2var createPriorityPreprocessor = function (logger, basePath, config) {3    var log = logger.create('preprocessor.priority');4    return function (content, file, done) {5        var filePath = path.resolve(basePath, file.originalPath);6        log.debug('Processing "%s".', filePath);7        var result = content.replace(/@priority/g, config.priority);8        done(result);9    };10};11createPriorityPreprocessor.$inject = ['logger', 'config.basePath', 'config.priorityPreprocessor'];12module.exports = {13};14module.exports = function (config) {15    config.set({16        preprocessors: {17        },18        priorityPreprocessor: {19        }20    });21};22describe('Priority Preprocessor', function () {23    it('@priority', function () {24    });25});26describe('Priority Preprocessor', function () {27    it('@priority', function () {28    });29    it('@priority', function () {30    });31});32describe('Priority Preprocessor', function () {33    it('@priority', function () {34    });35    it('@priority', function () {36    });37    it('@priority', function () {38    });39});40describe('Priority Preprocessor', function () {

Using AI Code Generation

1var createPriorityPreprocessor = require("karma/lib/preprocessor").createPriorityPreprocessor;2var path = require("path");3var preprocessor = function(content, file, done) {4    done(content);5};6var preprocessors = {7    "test.js": [createPriorityPreprocessor("preprocessor", preprocessor)]8};9var config = function(config) {10    config.set({11    });12};13module.exports = config;14module.exports = function(config) {15    config.set({16    });17};

Using AI Code Generation

1module.exports = function(config) {2  config.set({3    preprocessors: {4    },5    priorityPreprocessor: {6      pattern: /(\d+)-(.*)\.js$/,7    }8  });9};10module.exports = function(config) {11  config.set({12    preprocessors: {13    },14    priorityPreprocessor: {15      pattern: /(\d+)-(.*)\.js$/,16    }17  });18};19module.exports = function(config) {20  config.set({21    preprocessors: {22    },23    priorityPreprocessor: {24      pattern: /(\d+)-(.*)\.js$/,25    }26  });27};28module.exports = function(config) {29  config.set({30    preprocessors: {31    },32    priorityPreprocessor: {33      pattern: /(\d+)-(.*)\.js$/,34    }35  });36};37module.exports = function(config) {38  config.set({39    preprocessors: {40    },41    priorityPreprocessor: {42      pattern: /(\d+)-(.*)\.js$/,

Using AI Code Generation

1var createPriorityPreprocessor = require('karma').config.createPriorityPreprocessor;2var preprocessors = module.exports = function(config) {3    return {4    };5};6preprocessors.$inject = ['config'];7module.exports = {8    'preprocessor:customPreprocessor1': ['factory', createPriorityPreprocessor(preprocessors, 'customPreprocessor1')],9    'preprocessor:customPreprocessor2': ['factory', createPriorityPreprocessor(preprocessors, 'customPreprocessor2')]10};11module.exports = function(config) {12    config.set({13        preprocessors: {14        },15        customPreprocessor1: {16        },17        customPreprocessor2: {18        }19    });20};21module.exports = function(config) {22    config.set({23    });24};25module.exports = function(config) {26    config.set({27    });28};

Using AI Code Generation

1var preprocessor = function(content, file, done) {2    var priority = 1;3        priority = parseInt(p1, 10);4        return '';5    });6    done(null, result, priority);7};8preprocessor.$inject = ['args', 'config', 'logger', 'helper'];9module.exports = {10};11module.exports = function(config) {12    config.set({13        preprocessors: {14        }15    });16};17describe('test', function() {18    it('should have priority 2', function() {19    });20});21describe('test2', function() {22    it('should have priority 1', function() {23    });24});25describe('test3', function() {26    it('should have priority 3', function() {27    });28});29module.exports = function(config) {30    config.set({31        preprocessors: {32        },33        priorityPreprocessor: {34            priority: function(a, b) {35                return a - b;36            }37        }38    });39};40describe('test', function() {41    it('should have priority 2', function() {42    });43});44describe('test2', function() {45    it('should have priority 1', function() {46    });47});48describe('test3', function() {49    it('should have priority 3', function() {50    });51});52module.exports = function(config) {53    config.set({54        preprocessors: {55        },56        priorityPreprocessor: {57            priority: function(a, b) {58                return a - b;59            },60        }61    });62};63describe('test', function

Using AI Code Generation

1module.exports = function(config) {2  config.set({3    preprocessors: {4    },5    createPriorityPreprocessor: {6    }7  });8};

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