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How to use TraceSelectors method in tracetest

Best JavaScript code snippet using tracetest

trace.test.js

Source:trace.test.js

1// Copyright (c) 2017 Uber Technologies, Inc.2//3// Licensed under the Apache License, Version 2.0 (the "License");4// you may not use this file except in compliance with the License.5// You may obtain a copy of the License at6//7// http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// distributed under the License is distributed on an "AS IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14import _values from 'lodash/values';15import { followsFromRef } from './trace.fixture';16import {17  getSpanId,18  getSpanName,19  getSpanParentId,20  getSpanProcess,21  getSpanProcessId,22  getSpanServiceName,23  getSpanTimestamp,24} from './span';25import * as traceSelectors from './trace';26import traceGenerator from '../demo/trace-generators';27import { numberSortComparator } from '../utils/sort';28const generatedTrace = traceGenerator.trace({ numberOfSpans: 45 });29it('getTraceId() should return the traceID', () => {30  expect(traceSelectors.getTraceId(generatedTrace)).toBe(generatedTrace.traceID);31});32it('hydrateSpansWithProcesses() should return the trace with processes on each span', () => {33  const hydratedTrace = traceSelectors.hydrateSpansWithProcesses(generatedTrace);34  hydratedTrace.spans.forEach((span) =>35    expect(getSpanProcess(span)).toBe(generatedTrace.processes[getSpanProcessId(span)])36  );37});38it('getTraceSpansAsMap() should return a map of all of the spans', () => {39  const spanMap = traceSelectors.getTraceSpansAsMap(generatedTrace);40  [...spanMap.entries()].forEach((pair) => {41    expect(pair[1]).toEqual(generatedTrace.spans.find((span) => getSpanId(span) === pair[0]));42  });43});44describe('getTraceSpanIdsAsTree()', () => {45  it('builds the tree properly', () => {46    const tree = traceSelectors.getTraceSpanIdsAsTree(generatedTrace);47    const spanMap = traceSelectors.getTraceSpansAsMap(generatedTrace);48    tree.walk((value, node) => {49      const expectedParentValue = value === traceSelectors.TREE_ROOT_ID ? null : value;50      node.children.forEach((childNode) => {51        expect(getSpanParentId(spanMap.get(childNode.value))).toBe(expectedParentValue);52      });53    });54  });55  it('#115 - handles FOLLOW_FROM refs', () => {56    expect(() => traceSelectors.getTraceSpanIdsAsTree(followsFromRef)).not.toThrow();57  });58});59it('getParentSpan() should return the parent span of the tree', () => {60  expect(traceSelectors.getParentSpan(generatedTrace)).toBe(61    traceSelectors62      .getTraceSpansAsMap(generatedTrace)63      .get(traceSelectors.getTraceSpanIdsAsTree(generatedTrace).children[0].value)64  );65});66it('getParentSpan() should return the first span if there are multiple parents', () => {67  const initialTimestamp = new Date().getTime() * 1000;68  const firstSpan = {69    startTime: initialTimestamp,70    spanID: 'my-span-1',71    references: [],72  };73  const trace = {74    spans: [75      {76        startTime: initialTimestamp + 2000,77        spanID: 'my-span-3',78        references: [],79      },80      firstSpan,81      {82        startTime: initialTimestamp + 1000,83        spanID: 'my-span-2',84        references: [],85      },86    ],87  };88  expect(traceSelectors.getParentSpan(trace)).toBe(firstSpan);89});90it('getTraceName() should return a formatted name for the first span', () => {91  const hydratedTrace = traceSelectors.hydrateSpansWithProcesses(generatedTrace);92  const parentSpan = traceSelectors.getParentSpan(hydratedTrace);93  expect(traceSelectors.getTraceName(hydratedTrace)).toBe(94    `${getSpanServiceName(parentSpan)}: ${getSpanName(parentSpan)}`95  );96});97it('getTraceSpanCount() should return the length of the spans array', () => {98  expect(traceSelectors.getTraceSpanCount(generatedTrace)).toBe(generatedTrace.spans.length);99});100it('getTraceDuration() should return the duration for the span', () => {101  expect(traceSelectors.getTraceDuration(generatedTrace)).toBe(generatedTrace.spans[0].duration);102});103it('getTraceTimestamp() should return the first timestamp for the conventional trace', () => {104  expect(traceSelectors.getTraceTimestamp(generatedTrace)).toBe(generatedTrace.spans[0].startTime);105});106it('getTraceDepth() should determine the total depth of the trace tree', () => {107  expect(traceSelectors.getTraceDepth(generatedTrace)).toBe(108    traceSelectors.getTraceSpanIdsAsTree(generatedTrace).depth - 1109  );110});111it('getSpanDepthForTrace() should determine the depth of a given span in the parent', () => {112  function testDepthCalc(span) {113    let depth = 2;114    let currentId = getSpanParentId(span);115    const findCurrentSpanById = (item) => getSpanId(item) === currentId;116    while (currentId !== getSpanId(generatedTrace.spans[0])) {117      depth++;118      currentId = getSpanParentId(generatedTrace.spans.find(findCurrentSpanById));119    }120    // console.log('hypothetical depth', depth);121    expect(122      traceSelectors.getSpanDepthForTrace({123        trace: generatedTrace,124        span,125      })126    ).toBe(depth);127  }128  // test depth calculations for a few random spans129  testDepthCalc(generatedTrace.spans[1]);130  testDepthCalc(generatedTrace.spans[Math.floor(generatedTrace.spans.length / 2)]);131  testDepthCalc(generatedTrace.spans[Math.floor(generatedTrace.spans.length / 4)]);132  testDepthCalc(generatedTrace.spans[Math.floor(generatedTrace.spans.length * 0.75)]);133});134it('getTraceServices() should return an unique array of all services in the trace', () => {135  const svcs = [...traceSelectors.getTraceServices(generatedTrace)].sort();136  const set = new Set(_values(generatedTrace.processes).map((v) => v.serviceName));137  const setSvcs = [...set.values()].sort();138  expect(svcs).toEqual(setSvcs);139});140it('getTraceServiceCount() should return the length of the service list', () => {141  expect(traceSelectors.getTraceServiceCount(generatedTrace)).toBe(142    Object.values(generatedTrace.processes).reduce((results, process) => results.add(process.serviceName), new Set())143      .size144  );145});146it('formatDurationForUnit() should use the formatters to return the proper value', () => {147  expect(traceSelectors.formatDurationForUnit({ duration: 302000, unit: 'ms' })).toBe('302ms');148  expect(traceSelectors.formatDurationForUnit({ duration: 1302000, unit: 'ms' })).toBe('1302ms');149  expect(traceSelectors.formatDurationForUnit({ duration: 1302000, unit: 's' })).toBe('1.302s');150  expect(traceSelectors.formatDurationForUnit({ duration: 90000, unit: 's' })).toBe('0.09s');151});152it('formatDurationForTrace() should return a ms value for traces shorter than a second', () => {153  expect(154    traceSelectors.formatDurationForTrace({155      trace: {156        spans: [{ duration: 600000 }],157      },158      duration: 302000,159    })160  ).toBe('302ms');161});162it('formatDurationForTrace() should return a s value for traces longer than a second', () => {163  expect(164    traceSelectors.formatDurationForTrace({165      trace: {166        ...generatedTrace,167        spans: generatedTrace.spans.concat([168          {169            ...generatedTrace.spans[0],170            duration: 1000000,171          },172        ]),173      },174      duration: 302000,175    })176  ).toBe('0.302s');177  expect(178    traceSelectors.formatDurationForTrace({179      trace: {180        ...generatedTrace,181        spans: generatedTrace.spans.concat([182          {183            ...generatedTrace.spans[0],184            duration: 1200000,185          },186        ]),187      },188      duration: 302000,189    })190  ).toBe('0.302s');191});192it('getSortedSpans() should sort spans given a sort object', () => {193  expect(194    traceSelectors.getSortedSpans({195      trace: generatedTrace,196      spans: generatedTrace.spans,197      sort: {198        dir: 1,199        comparator: numberSortComparator,200        selector: getSpanTimestamp,201      },202    })203  ).toEqual([...generatedTrace.spans].sort((spanA, spanB) => spanA.startTime - spanB.startTime));204  expect(205    traceSelectors.getSortedSpans({206      trace: generatedTrace,207      spans: generatedTrace.spans,208      sort: {209        dir: -1,210        comparator: numberSortComparator,211        selector: getSpanTimestamp,212      },213    })214  ).toEqual([...generatedTrace.spans].sort((spanA, spanB) => spanB.startTime - spanA.startTime));215});216it('getTreeSizeForTraceSpan() should return the size for the parent span', () => {217  expect(218    traceSelectors.getTreeSizeForTraceSpan({219      trace: generatedTrace,220      span: generatedTrace.spans[0],221    })222  ).toBe(generatedTrace.spans.length - 1);223});224it('getTreeSizeForTraceSpan() should return the size for a child span', () => {225  expect(226    traceSelectors.getTreeSizeForTraceSpan({227      trace: generatedTrace,228      span: generatedTrace.spans[1],229    })230  ).toBe(traceSelectors.getTraceSpanIdsAsTree(generatedTrace).find(generatedTrace.spans[1].spanID).size - 1);231});232it('getTreeSizeForTraceSpan() should return -1 for an absent span', () => {233  expect(234    traceSelectors.getTreeSizeForTraceSpan({235      trace: generatedTrace,236      span: { spanID: 'whatever' },237    })238  ).toBe(-1);239});240it('getTraceName() should return the trace name based on the parentSpan', () => {241  const serviceName = generatedTrace.processes[generatedTrace.spans[0].processID].serviceName;242  const operationName = generatedTrace.spans[0].operationName;243  expect(traceSelectors.getTraceName(generatedTrace)).toBe(`${serviceName}: ${operationName}`);244});245it('omitCollapsedSpans() should filter out collapsed spans', () => {246  const span = generatedTrace.spans[1];247  const size = traceSelectors.getTraceSpanIdsAsTree(generatedTrace).find(span.spanID).size - 1;248  expect(249    traceSelectors.omitCollapsedSpans({250      trace: generatedTrace,251      spans: generatedTrace.spans,252      collapsed: [span.spanID],253    }).length254  ).toBe(generatedTrace.spans.length - size);255});256it('getTicksForTrace() should return a list of ticks given interval parameters', () => {257  const timestamp = new Date().getTime() * 1000;258  const trace = {259    spans: [260      {261        startTime: timestamp,262        duration: 3000000,263      },264    ],265  };266  expect(267    traceSelectors.getTicksForTrace({268      trace,269      interval: 3,270      width: 10,271    })272  ).toEqual([273    { timestamp, width: 10 },274    { timestamp: timestamp + 1000000, width: 10 },275    { timestamp: timestamp + 2000000, width: 10 },276    { timestamp: timestamp + 3000000, width: 10 },277  ]);278});279it('getTicksForTrace() should use defaults', () => {280  const timestamp = new Date().getTime() * 1000;281  const trace = {282    spans: [283      {284        startTime: timestamp,285        duration: 4000000,286      },287    ],288  };289  expect(traceSelectors.getTicksForTrace({ trace })).toEqual([290    { timestamp, width: traceSelectors.DEFAULT_TICK_WIDTH },291    {292      timestamp: timestamp + 1000000,293      width: traceSelectors.DEFAULT_TICK_WIDTH,294    },295    {296      timestamp: timestamp + 2000000,297      width: traceSelectors.DEFAULT_TICK_WIDTH,298    },299    {300      timestamp: timestamp + 3000000,301      width: traceSelectors.DEFAULT_TICK_WIDTH,302    },303    {304      timestamp: timestamp + 4000000,305      width: traceSelectors.DEFAULT_TICK_WIDTH,306    },307  ]);...

Using AI Code Generation

1var trace = require('tracetest.js');2var traceObj = new trace.TraceSelectors();3traceObj.TraceSelectors('test');4exports.TraceSelectors = function(){5    this.TraceSelectors = function(selector){6        console.log(selector);7    }8}9Your name to display (optional):10Your name to display (optional):11var trace = require('./tracetest.js');12Your name to display (optional):

Using AI Code Generation

1var tracetest = require('tracetest');2var traceSelectors = tracetest.TraceSelectors();3traceSelectors.push({4});5traceSelectors.push({6});7tracetest.TraceSelectors(traceSelectors);8tracetest.RunTest({9});10tracetest.RunTest({11});12tracetest.RunTest({13});14tracetest.RunTest({15});16tracetest.RunTest({17});18tracetest.RunTest({19});20tracetest.RunTest({21});22tracetest.RunTest({23});24tracetest.RunTest({25});26tracetest.RunTest({27});28tracetest.RunTest({29});30tracetest.RunTest({31});32tracetest.RunTest({

Using AI Code Generation

1var trace = require('tracetest');2var traceSelectors = trace.TraceSelectors;3var trace = new traceSelectors();4trace.addSelector('selector1');5trace.addSelector('selector2');6trace.addSelector('selector3');7trace.addSelector('selector4');8trace.addSelector('selector5');9trace.addSelector('selector6');10trace.addSelector('selector7');11trace.addSelector('selector8');12trace.addSelector('selector9');13trace.addSelector('selector10');14trace.addSelector('selector11');15trace.addSelector('selector12');16trace.addSelector('selector13');17trace.addSelector('selector14');18trace.addSelector('selector15');19trace.addSelector('selector16');20trace.addSelector('selector17');21trace.addSelector('selector18');22trace.addSelector('selector19');23trace.addSelector('selector20');24trace.addSelector('selector21');25trace.addSelector('selector22');26trace.addSelector('selector23');27trace.addSelector('selector24');28trace.addSelector('selector25');29trace.addSelector('selector26');30trace.addSelector('selector27');31trace.addSelector('selector28');32trace.addSelector('selector29');33trace.addSelector('selector30');34trace.addSelector('selector31');35trace.addSelector('selector32');36trace.addSelector('selector33');37trace.addSelector('selector34');38trace.addSelector('selector35');39trace.addSelector('selector36');40trace.addSelector('selector37');41trace.addSelector('selector38');42trace.addSelector('selector39

Using AI Code Generation

1var trace = tracetest.Tracer{}2trace.RegisterSpanServer(&spanServer)3trace.RegisterSpanServer(&spanServer2)4trace.RegisterSpanServer(&spanServer3)5trace.RegisterSpanServer(&spanServer4)6trace.RegisterSpanServer(&spanServer5)7trace.RegisterSpanServer(&spanServer6)8trace.RegisterSpanServer(&spanServer7)9trace.RegisterSpanServer(&spanServer8)10trace.RegisterSpanServer(&spanServer9)11trace.RegisterSpanServer(&spanServer10)12trace.RegisterSpanServer(&spanServer11)13trace.RegisterSpanServer(&spanServer12)14trace.RegisterSpanServer(&spanServer13)15trace.RegisterSpanServer(&spanServer14)16trace.RegisterSpanServer(&spanServer15)17trace.RegisterSpanServer(&spanServer16)18trace.RegisterSpanServer(&spanServer17)19trace.RegisterSpanServer(&spanServer18)20trace.RegisterSpanServer(&spanServer19)21trace.RegisterSpanServer(&spanServer20)22trace.RegisterSpanServer(&spanServer21)23trace.RegisterSpanServer(&spanServer22)24trace.RegisterSpanServer(&spanServer23)25trace.RegisterSpanServer(&spanServer24)26trace.RegisterSpanServer(&spanServer25)27trace.RegisterSpanServer(&spanServer26)28trace.RegisterSpanServer(&spanServer27)29trace.RegisterSpanServer(&spanServer28)30trace.RegisterSpanServer(&spanServer29)31trace.RegisterSpanServer(&spanServer30)32trace.RegisterSpanServer(&spanServer31)33trace.RegisterSpanServer(&spanServer32)34trace.RegisterSpanServer(&spanServer33)35trace.RegisterSpanServer(&spanServer34)36trace.RegisterSpanServer(&spanServer35)37trace.RegisterSpanServer(&spanServer36)38trace.RegisterSpanServer(&spanServer37)39trace.RegisterSpanServer(&spanServer38)40trace.RegisterSpanServer(&spanServer39)41trace.RegisterSpanServer(&spanServer40)42trace.RegisterSpanServer(&spanServer41)43trace.RegisterSpanServer(&spanServer42)44trace.RegisterSpanServer(&spanServer43)45trace.RegisterSpanServer(&spanServer44)46trace.RegisterSpanServer(&spanServer45)47trace.RegisterSpanServer(&spanServer46)48trace.RegisterSpanServer(&spanServer47)49trace.RegisterSpanServer(&spanServer48)50trace.RegisterSpanServer(&spanServer49)51trace.RegisterSpanServer(&spanServer50)52trace.RegisterSpanServer(&spanServer51)53trace.RegisterSpanServer(&spanServer52)54trace.RegisterSpanServer(&spanServer53)

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