How to use loadPatch method in backstopjs

Best JavaScript code snippet using backstopjs

loadSlate.js

Source:loadSlate.js

1// dependencies2const Repository = require('gitsheets/lib/Repository')3const convertRecord = require('./convertRecord')4const slateLoadMappings = require('./mappings/load')5const slateExtractMappings = require('./mappings/extract-slate')6// constants7const RELATED_INSERT_RE = /^\/(?<field>relationships|contact_points)\/(?<position>[0-9]+|-)$/8const RELATED_PATCH_RE = /^\/(?<field>relationships|contact_points)\/(?<position>[0-9]+|-)\/(?<subfield>[^/]+)$/9const PATCH_USER_KEY = Symbol('patch-user')10const PATCH_PATH_KEY = Symbol('patch-path')11const PATCH_SOURCE_KEY = Symbol('patch-source')12const COMMIT_ERRORS = []13// library14function logError (error) {15  console.error(error)16  COMMIT_ERRORS.push(error)17}18async function loadSlate ({ ref, host, hostName, token, emptyCommit, maxAge }) {19  const slateApi = require('./api')({ host, token })20  // load repository21  const repo = await Repository.getFromEnvironment({ ref })22  const git = await repo.getGit()23  const usersSheet = await repo.openSheet('users')24  // find most recent extract ancestor for this host25  const [ancestorHash, ancestorTimestamp] = (await git.log(ref, {26    pretty: 'format:%H %ct %(trailers:key=Extracted-from,valueonly)',27    grep: `^Extracted-from: ${hostName}$`,28    'max-count': 129  })).split(' ')30  if (!ancestorHash) {31    throw new Error(`could not find an ancestor on ${ref} with /^Extracted-from: ${hostName}$/, run extract against same host first`)32  }33  // check age of ancestor34  const ancestorDate = new Date(ancestorTimestamp * 1000)35  const ancestorAge = Math.round((new Date() - ancestorDate) / 1000)36  if (ancestorAge > maxAge) {37    throw new Error(`ancestor commit ${ancestorHash.substr(0, 8)} is ${ancestorAge}s old, max age is ${maxAge}s`)38  }39  console.log(`using ${ancestorAge}s old ancestor ${ancestorHash.substr(0, 8)}`)40  // build operation batches41  const dirtyPeople = []42  const dirtyContactPoints = []43  const dirtyRelationships = []44  const peoplePatchMap = new Map()45  const contactPointPatchMap = new Map()46  const relationshipPatchMap = new Map()47  const dirtyUsers = new Set()48  const slatePeopleTemporaryIdMap = new Map()49  console.log('analyzing delta...')50  for await (const change of usersSheet.diffFrom(ancestorHash, { patches: true })) {51    console.log(`${change.status} ${change.path}\t${change.srcHash} -> ${change.dstHash}`)52    for (const { op, path, value } of change.patch) {53      const relatedInsertMatch = RELATED_INSERT_RE.exec(path)54      const { field: relatedInsertField, position: relatedInsertPosition } = relatedInsertMatch ? relatedInsertMatch.groups : {}55      if (op === 'add' && path === '/relationships') {56        console.log(`\tinsert ${value.length} relationship(s)`)57        for (const valueItem of value) {58          valueItem[PATCH_USER_KEY] = change.dst59          valueItem[PATCH_PATH_KEY] = path60          dirtyRelationships.push(valueItem)61        }62      } else if (op === 'add' && relatedInsertField === 'relationships') {63        console.log(`\tinsert relationship at position ${relatedInsertPosition === '-' ? change.src[relatedInsertField].length : relatedInsertPosition}`)64        value[PATCH_USER_KEY] = change.dst65        value[PATCH_PATH_KEY] = path66        dirtyRelationships.push(value)67      } else if (op === 'add' && path === '/contact_points') {68        console.log(`\tinsert ${value.length} contact point(s)`)69        for (const valueItem of value) {70          valueItem[PATCH_USER_KEY] = change.dst71          valueItem[PATCH_PATH_KEY] = path72          dirtyContactPoints.push(valueItem)73        }74      } else if (op === 'add' && relatedInsertField === 'contact_points') {75        console.log(`\tinsert contact point at position ${relatedInsertPosition === '-' ? change.src[relatedInsertField].length : relatedInsertPosition}`)76        value[PATCH_USER_KEY] = change.dst77        value[PATCH_PATH_KEY] = path78        dirtyContactPoints.push(value)79      } else if ((op === 'add' || op === 'replace') && path.lastIndexOf('/') === 0) {80        console.log(`\t${op} user field ${path.substr(1)} = ${value}`)81        let personPatch = peoplePatchMap.get(change.dst.id)82        if (!personPatch) {83          personPatch = {84            [PATCH_USER_KEY]: change.dst,85            [PATCH_PATH_KEY]: path86          }87          peoplePatchMap.set(change.dst.id, personPatch)88          dirtyPeople.push(personPatch)89        }90        personPatch[path.substr(1)] = value91      } else if (op === 'replace' && path === '') {92        console.log('\tadd new user')93        value[PATCH_USER_KEY] = change.dst94        value[PATCH_PATH_KEY] = path95        dirtyPeople.push(value)96      } else {97        const relatedPatchMatch = RELATED_PATCH_RE.exec(path)98        const {99          field: relatedPatchField,100          position: relatedPatchPosition,101          subfield: relatedPatchSubfield102        } = relatedPatchMatch ? relatedPatchMatch.groups : {}103        if (op === 'add' && relatedPatchField === 'relationships') {104          console.log(`\t${op} relationship field ${relatedPatchSubfield} = ${value}`)105          const relationshipId = change.dst[relatedPatchField][relatedPatchPosition].id106          let relationshipPatch = relationshipPatchMap.get(relationshipId)107          if (!relationshipPatch) {108            relationshipPatch = {109              id: relationshipId,110              [PATCH_USER_KEY]: change.dst,111              [PATCH_PATH_KEY]: path112            }113            relationshipPatchMap.set(relationshipId, relationshipPatch)114            dirtyRelationships.push(relationshipPatch)115          }116          relationshipPatch[relatedPatchSubfield] = value117        } else if (op === 'replace' && relatedPatchField === 'contact_points') {118          console.log(`\t${op} contact point field ${relatedPatchSubfield} = ${value}`)119          const contactPointId = change.dst[relatedPatchField][relatedPatchPosition].id120          let contactPointPatch = contactPointPatchMap.get(contactPointId)121          if (!contactPointPatch) {122            contactPointPatch = {123              id: contactPointId,124              [PATCH_USER_KEY]: change.dst,125              [PATCH_PATH_KEY]: path126            }127            contactPointPatchMap.set(contactPointId, contactPointPatch)128            dirtyContactPoints.push(contactPointPatch)129          }130          contactPointPatch[relatedPatchSubfield] = value131        } else if (op === 'replace' && relatedPatchField === 'relationships') {132          console.log(`\t${op} relationship field ${relatedPatchSubfield} = ${value}`)133          const relationshipId = change.dst[relatedPatchField][relatedPatchPosition].id134          let relationshipPatch = relationshipPatchMap.get(relationshipId)135          if (!relationshipPatch) {136            relationshipPatch = {137              id: relationshipId,138              [PATCH_USER_KEY]: change.dst,139              [PATCH_PATH_KEY]: path140            }141            relationshipPatchMap.set(relationshipId, relationshipPatch)142            dirtyRelationships.push(relationshipPatch)143          }144          relationshipPatch[relatedPatchSubfield] = value145        } else {146          throw new Error(`\tunhandled patch ${op} ${path}`)147        }148      }149    }150  }151  // prepare users batch upload152  console.log(`preparing batch upload for ${dirtyPeople.length} users...`)153  const slatePeoplePatches = []154  for (const patch of dirtyPeople) {155    const user = patch[PATCH_USER_KEY]156    const loadPatch = convertRecord(patch, slateLoadMappings.person)157    if (Object.keys(loadPatch).length === 0) {158      continue159    }160    loadPatch[PATCH_SOURCE_KEY] = patch161    if (user.id) {162      loadPatch.ID = user.id163    }164    // copy any related records embedded in the patch to their own queues;165    // convertRecord trimmed them out of loadPatch166    if (patch.contact_points) {167      for (const contactPoint of patch.contact_points) {168        dirtyContactPoints.push(contactPoint)169        contactPoint[PATCH_USER_KEY] = user170      }171    }172    if (patch.relationships) {173      for (const relationship of patch.relationships) {174        dirtyRelationships.push(relationship)175        relationship[PATCH_USER_KEY] = user176      }177    }178    slatePeoplePatches.push(loadPatch)179    loadPatch[PATCH_USER_KEY] = user180  }181  // upload batch to Slate182  if (slatePeoplePatches.length > 0) {183    try {184      console.log(`uploading ${slatePeoplePatches.length} changes to people...`)185      const {186        data: slatePeopleResponses,187        failed: slatePeopleFailed,188        success: slatePeopleSuccess,189        message: slatePeopleMessage190      } = await slateApi.post('people/save', {191        json: { data: slatePeoplePatches }192      })193      if (slatePeopleFailed.length > 0) {194        const failedIds = new Set()195        for (const { record, validationErrors } of slatePeopleFailed) {196          logError(`failed to save person ${record.ID}:\n\t${Object.keys(validationErrors).map(field => `${field}: ${validationErrors[field]}`).join('\n\t')}`)197          failedIds.add(record.ID)198        }199        for (let i = 0; i < slatePeoplePatches.length;) {200          if (failedIds.has(slatePeoplePatches[i].ID)) {201            slatePeoplePatches.splice(i, 1)202          } else {203            i++204          }205        }206      }207      if (!slatePeopleSuccess) {208        throw new Error(`people post failed: ${slatePeopleMessage || '[no message returned]'}`)209      }210      if (slatePeopleResponses.length !== slatePeoplePatches.length) {211        throw new Error(`${slatePeopleResponses.length} response objects does not match ${slatePeoplePatches.length} input objects`)212      }213      // process responses214      console.log(`loading ${slatePeopleResponses.length} person change responses...`)215      for (let i = 0; i < slatePeoplePatches.length; i++) {216        const inputData = slatePeoplePatches[i]217        const outputData = slatePeopleResponses[i]218        const inputId = inputData.ID219        // save negative ID mapping to server-provided ID220        if (inputId <= 0) {221          slatePeopleTemporaryIdMap.set(inputId, outputData.ID)222        }223        const existingUser = inputData[PATCH_USER_KEY]224        const extractPatch = convertRecord(outputData, slateExtractMappings.person)225        Object.assign(existingUser, extractPatch)226        dirtyUsers.add(existingUser)227      }228    } catch (err) {229      logError('Failed to upload people:', err.response && err.response.body ? err.response.body : err.message)230      return231    }232  }233  // prepare contact points batch upload234  console.log(`preparing batch upload for ${dirtyContactPoints.length} contact points...`)235  const slateContactPointsPatches = []236  let nextTemporaryContactPointId = -1237  for (const patch of dirtyContactPoints) {238    const user = patch[PATCH_USER_KEY]239    const loadPatch = convertRecord(patch, slateLoadMappings.contactPoint)240    if (Object.keys(loadPatch).length === 0) {241      continue242    }243    loadPatch[PATCH_SOURCE_KEY] = patch244    if (!loadPatch.ID) {245      loadPatch.ID = nextTemporaryContactPointId--246    }247    if (user.id) {248      loadPatch.PersonID = user.id249    }250    slateContactPointsPatches.push(loadPatch)251    loadPatch[PATCH_USER_KEY] = user252  }253  // upload batch to Slate254  if (slateContactPointsPatches.length > 0) {255    try {256      console.log(`uploading ${slateContactPointsPatches.length} changes to contact points...`)257      const {258        data: slateContactPointsResponses,259        failed: slateContactPointsFailed,260        success: slateContactPointsSuccess,261        message: slateContactPointsMessage262      } = await slateApi.post('contact-points/save', {263        json: { data: slateContactPointsPatches }264      })265      if (slateContactPointsFailed.length > 0) {266        const failedIds = new Set()267        for (const { record, validationErrors } of slateContactPointsFailed) {268          logError(`failed to save contact point ${record.Class}#${record.ID} ("${record.Label}" <${record.Data}>) for person ${record.PersonID}:\n\t${Object.keys(validationErrors).map(field => `${field}: ${validationErrors[field]}`).join('\n\t')}`)269          failedIds.add(record.ID)270        }271        for (let i = 0; i < slateContactPointsPatches.length;) {272          if (failedIds.has(slateContactPointsPatches[i].ID)) {273            slateContactPointsPatches.splice(i, 1)274          } else {275            i++276          }277        }278      }279      if (!slateContactPointsSuccess) {280        throw new Error(`contact point post failed: ${slateContactPointsMessage || '[no message returned]'}`)281      }282      if (slateContactPointsResponses.length !== slateContactPointsPatches.length) {283        throw new Error(`${slateContactPointsResponses.length} response objects does not match ${slateContactPointsPatches.length} input objects`)284      }285      // process responses286      console.log(`loading ${slateContactPointsResponses.length} contact point change responses...`)287      for (let i = 0; i < slateContactPointsPatches.length; i++) {288        const inputData = slateContactPointsPatches[i]289        const outputData = slateContactPointsResponses[i]290        const user = inputData[PATCH_USER_KEY]291        const extractPatch = convertRecord(outputData, slateExtractMappings.contactPoint)292        Object.assign(inputData[PATCH_SOURCE_KEY], extractPatch)293        dirtyUsers.add(user)294      }295    } catch (err) {296      logError('Failed to upload contact points:', err.response && err.response.body ? err.response.body : err.message)297      return298    }299  }300  // prepare relationships batch upload301  console.log(`preparing batch upload for ${dirtyRelationships.length} relationships...`)302  const slateRelationshipPatches = []303  let nextTemporaryRelationshipId = -1304  for (const patch of dirtyRelationships) {305    const user = patch[PATCH_USER_KEY]306    const loadPatch = convertRecord(patch, slateLoadMappings.relationship)307    if (Object.keys(loadPatch).length === 0) {308      continue309    }310    loadPatch[PATCH_SOURCE_KEY] = patch311    if (!loadPatch.ID) {312      loadPatch.ID = nextTemporaryRelationshipId--313    }314    if (user.id) {315      loadPatch.PersonID = user.id316    }317    const { RelatedPersonID: originalRelatedPersonID } = loadPatch318    if (originalRelatedPersonID && originalRelatedPersonID < 0) {319      loadPatch.RelatedPersonID = slatePeopleTemporaryIdMap.get(originalRelatedPersonID)320      if (!loadPatch.RelatedPersonID) {321        throw new Error(`unable to map negative RelatedPersonID ${originalRelatedPersonID} to assigned user ID`)322      }323    }324    slateRelationshipPatches.push(loadPatch)325    loadPatch[PATCH_USER_KEY] = user326  }327  // upload batch to Slate328  if (slateRelationshipPatches.length > 0) {329    try {330      console.log(`uploading ${slateRelationshipPatches.length} changes to relationships...`)331      const {332        data: slateRelationshipsResponses,333        failed: slateRelationshipsFailed,334        success: slateRelationshipsSuccess,335        message: slateRelationshipsMessage336      } = await slateApi.post('relationships/save', {337        json: { data: slateRelationshipPatches }338      })339      if (slateRelationshipsFailed.length > 0) {340        const failedIds = new Set()341        for (const { record, validationErrors } of slateRelationshipsFailed) {342          logError(`failed to save relationship ${record.Class}#${record.ID} (${record.Slot}: "${record.Label}" <${record.RelatedPersonID}>) for person ${record.PersonID}:\n\t${Object.keys(validationErrors).map(field => `${field}: ${validationErrors[field]}`).join('\n\t')}`)343          failedIds.add(record.ID)344        }345        for (let i = 0; i < slateRelationshipPatches.length;) {346          if (failedIds.has(slateRelationshipPatches[i].ID)) {347            slateRelationshipPatches.splice(i, 1)348          } else {349            i++350          }351        }352      }353      if (!slateRelationshipsSuccess) {354        throw new Error(`relationships post failed: ${slateRelationshipsMessage || '[no message returned]'}`)355      }356      if (slateRelationshipsResponses.length !== slateRelationshipPatches.length) {357        throw new Error(`${slateRelationshipsResponses.length} response objects does not match ${slateRelationshipPatches.length} input objects`)358      }359      // process responses360      console.log(`loading ${slateRelationshipsResponses.length} relationship change responses...`)361      for (let i = 0; i < slateRelationshipPatches.length; i++) {362        const inputData = slateRelationshipPatches[i]363        const outputData = slateRelationshipsResponses[i]364        const user = inputData[PATCH_USER_KEY]365        const extractPatch = convertRecord(outputData, slateExtractMappings.relationship)366        Object.assign(inputData[PATCH_SOURCE_KEY], extractPatch)367        dirtyUsers.add(user)368      }369    } catch (err) {370      logError('Failed to upload relationships:', err.response && err.response.body ? err.response.body : err.message)371      return372    }373  }374  // TODO: upload sections375  // TODO: upload enrollments, mapping temporary user ids376  // save all updated users377  console.log(`saving ${dirtyUsers.size} dirty user records`)378  for (const dirtyUser of dirtyUsers) {379    const { blob, path } = await usersSheet.upsert(dirtyUser)380    console.log(`${blob.hash}\t${path}`)381  }382  // save result383  const workspace = await repo.getWorkspace()384  const ancestor = await repo.resolveRef(ref)385  const treeHash = await workspace.root.write()386  if (emptyCommit || treeHash !== await git.getTreeHash(ancestor)) {387    let commitMessage = `â¥ ${COMMIT_ERRORS.length > 0 ? 'partially ' : ''}load data to ${slateApi.defaults.options.prefixUrl}`388    if (COMMIT_ERRORS.length) {389      commitMessage += `\n\n## ${COMMIT_ERRORS.length} errors:\n\n- ${COMMIT_ERRORS.join('\n- ')}`390    }391    commitMessage += `\n\nLoaded-to: ${hostName}`392    const commitHash = await git.commitTree(treeHash, {393      p: ancestor,394      m: commitMessage395    })396    await git.updateRef(`refs/heads/${ref}`, commitHash)397    console.log(`committed new Slate tree to "${ref}": ${ancestor}->${commitHash}`)398    return commitHash399  } else {400    console.log('Slate tree unchanged')401  }402}403// exports...

patch-management-spec.js

Source:patch-management-spec.js

...14    expect(modLevel(getState())).toEqual(0)15    dispatch(updateModLevel(0.5))16    expect(modLevel(getState())).toEqual(0.5)17    dispatch(savePatch(1))18    dispatch(loadPatch(2))19    expect(modLevel(getState())).toEqual(0)20    dispatch(updateModLevel(0.75))21    expect(modLevel(getState())).toEqual(0.75)22    dispatch(savePatch(2))23    dispatch(loadPatch(1))24    expect(modLevel(getState())).toEqual(0.5)25    dispatch(loadPatch(2))26    expect(modLevel(getState())).toEqual(0.75)27  })28  it('edits are dismissed if a patch is not saved before changing patches', async () => {29    const { dispatch, getState } = await createStore()30    expect(modLevel(getState())).toEqual(0)31    dispatch(updateModLevel(0.5))32    expect(modLevel(getState())).toEqual(0.5)33    // patch 1 not saved34    dispatch(loadPatch(2))35    dispatch(loadPatch(1))36    expect(modLevel(getState())).toEqual(0)37  })38  describe('A/B comparison', () => {39    const assertIsAWithB = (state) => {40      expect(currentPatchIsModified(state)).toEqual(false)41      expect(currentPatchHasModifiedVersion(state)).toEqual(true)42    }43    const assertIsAWithoutB = (state) => {44      expect(currentPatchIsModified(state)).toEqual(false)45      expect(currentPatchHasModifiedVersion(state)).toEqual(false)46    }47    const assertIsB = (state) => {48      expect(currentPatchIsModified(state)).toEqual(true)49      expect(currentPatchHasModifiedVersion(state)).toEqual(false)50    }51    describe('reverting to the unedited "A" version of a patch', () => {52      it('is not possible on loading patch', async () => {53        const { getState } = await createStore()54        assertIsAWithoutB(getState())55      })56      it('is possible after modifying a patch', async () => {57        const { dispatch, getState } = await createStore()58        dispatch(updateModLevel(0.5)) // B59        assertIsB(getState())60      })61      it('is not possible after modifying a patch then saving it', async () => {62        const { dispatch, getState } = await createStore()63        dispatch(updateModLevel(0.5)) // B64        dispatch(savePatch(1)) // A65        assertIsAWithoutB(getState())66      })67      it('is not possible after modifying a patch then loading a different one it', async () => {68        const { dispatch, getState } = await createStore()69        dispatch(updateModLevel(0.5)) // B70        // patch 1 not saved71        dispatch(loadPatch(2)) // A72        assertIsAWithoutB(getState())73      })74    })75    describe('(re-)applying the edited "B" version of a patch', () => {76      it('is not possible on loading patch', async () => {77        const { getState } = await createStore() // A (no B)78        assertIsAWithoutB(getState())79      })80      it('is not possible on modifying a patch', async () => {81        const { dispatch, getState } = await createStore() // A82        dispatch(updateModLevel(0.5)) // B83        assertIsB(getState())84      })85      it('is possible on modifying a patch then reverting to the "A" version', async () => {86        const { dispatch, getState } = await createStore()87        dispatch(updateModLevel(0.5)) // B88        dispatch(togglePatchAB()) // A (has B)89        assertIsAWithB(getState())90      })91      it('is not possible on modifying a patch then reverting to the "A" version, then re-applying the "B" version', async () => {92        const { dispatch, getState } = await createStore()93        dispatch(updateModLevel(0.5)) // B94        dispatch(togglePatchAB()) // A95        dispatch(togglePatchAB()) // B96        assertIsB(getState())97      })98      it('is not possible on modifying a patch then reverting to the "A" version, then loading another patch', async () => {99        const { dispatch, getState } = await createStore()100        dispatch(updateModLevel(0.5)) // B101        dispatch(togglePatchAB()) // A (has B)102        dispatch(loadPatch(2)) // A (no B)103        assertIsAWithoutB(getState())104      })105      it('is not possible on modifying a patch then reverting to the "A" version, then modifying again', async () => {106        const { dispatch, getState } = await createStore()107        dispatch(updateModLevel(0.5)) // B108        dispatch(togglePatchAB()) // A109        dispatch(updateModLevel(0.75)) // B110        assertIsB(getState())111      })112      it('is not possible on modifying a patch then reverting to the "A" version, then saving the patch', async () => {113        const { dispatch, getState } = await createStore()114        dispatch(updateModLevel(0.5)) // B115        dispatch(togglePatchAB()) // A (with B)116        dispatch(savePatch(1)) // A (no B)...

app.js

Source:app.js

...54function freePatch() {55  baliset_state.freePatch();56  return osc_client.freePatch();57}58function loadPatch(msg) {59  const path = "patches/" + msg.name;60  const patch = JSON.parse(fs.readFileSync(path));61  osc_client.loadPatch(patch);62  baliset_state.loadPatch(patch);63  console.log(`loaded patch: ${msg.name}`);64}65function listPatches() {66  const path = "patches/";67  return fs.readdirSync(path);68}69function messageHandler(ws) {70  const handler = function(msg) {71    msg = JSON.parse(msg);72    // console.log(`got message: ${msg}`);73    if(msg.route === undefined) {74      console.log(`expected message to be a json array containing a route parameter, got ${msg}`);75      return;76    }77    switch(msg.route) {78      case "/node/add": {79        const clientMsg = osc_client.addNode(msg);80        wss.broadcast(clientMsg);81        break;82      }83      case "/node/connect": {84        const clientMsg = osc_client.connectNode(msg);85        wss.broadcast(clientMsg);86        break;87      }88      case "/node/control": {89        const clientMsg = osc_client.controlNode(msg);90        wss.notifyOtherClients(ws, clientMsg);91        break;92      }93      case "/node/disconnect": {94        const clientMsg = osc_client.disconnectNode(msg);95        wss.broadcast(clientMsg);96        break;97      }98      case "/node/delete": {99        const clientMsg = osc_client.deleteNode(msg);100        wss.broadcast(clientMsg);101        break;102      }103      case "/node/move": {104        const clientMsg = baliset_state.moveNode(msg);105        wss.notifyOtherClients(ws, clientMsg);106        break;107      }108      case "/patch/save": {109        const patchSavedMsg = savePatch(msg);110        wss.broadcast(patchSavedMsg);111        break;112      }113      case "/patch/load": {114        loadPatch(msg);115        wss.broadcast({"route": "/app_state",116                       "nodes": baliset_state.getNodes(),117                       "connections": baliset_state.getConnections(),118                       "patches": listPatches()});119        break;120      }121      default:122        console.log(`unrecognized websocket msg: ${msg.route}`);123      }124  };125 return handler;126}127wss.on("connection", function connection(ws) {128  console.log("got a connection.");129  //console.log(`clients: ${wss.clients}`);130  //wss.clients.forEach(function(client){console.log(`client: ${client}`)})131  ws.on("message", messageHandler(ws));132  ws.on("close", function close(){133    console.log("disconnected.");134  });135  ws.send(JSON.stringify({"route": "/app_state",136                          "nodes": baliset_state.getNodes(),137                          "connections": baliset_state.getConnections(),138                          "patches": listPatches()}));139});140//load init patch if provided as a cli arg141if (init_patch) {142  console.log(`Loading init patch: ${init_patch}`);143  loadPatch({"name": init_patch});144}145//trap SIGINT and free the patch before exiting146process.on('SIGINT', function() {147  console.log("Freeing patch and terminating.");148  wss.close(() => {149    freePatch()150      .then(data => {process.exit()})151      .catch(err => {console.error(`Error freeing patch: ${err}`);152                     process.exit(1);})153  });...

Using AI Code Generation

1module.exports = {2    {3    },4    {5    },6    {7    },8    {9    }10    {11    }12  "paths": {13  },14}15module.exports = function (casper, scenario) {16};17module.exports = function (casper, scenario) {18};

Using AI Code Generation

1var backstop = require('backstopjs');2var backstopConfig = require('./backstop.json');3backstop('test', { config: backstopConfig });4{5    {6    },7    {8    },9    {10    },11    {12    }13    {14    }15  "paths": {16  },17}

Using AI Code Generation

1var backstop = require('backstopjs');2var config = require('./backstop.json');3backstop('test', {config: config})4  .then(function(){5    console.log('done');6  })7  .catch(function(error){8    console.log(error);9  });10{11    {12    },13    {14    },15    {16    },17    {18    },19    {20    }21    {22    }23  "paths": {24  },25  "engineOptions": {26  },

Using AI Code Generation

1var loadPatch = require('backstopjs/core/util/loadPatches');2loadPatch('chromy/allowLocalFilesAccess');3module.exports = {4    {5    },6    {7    },8    {9    },10    {11    },12    {13    }14    {15    }16  "paths": {17  },18}19var loadPatch = require('backstopjs/core/util/loadPatches');20loadPatch('chromy/allowLocalFilesAccess');21module.exports = {22    {

Using AI Code Generation

1const backstop = require('backstopjs');2backstop('test', {3});4{5		{6		}7		{8		},9		{10		},11		{12		},13		{14		}15	"paths": {16	},17	"engineOptions": {18	},19}

Using AI Code Generation

1  {2  },3  {4  }5module.exports = {6    {7    },8    {9    },10    {11    }12    {13    }14  paths: {15  },16  engineOptions: {17  },18}

Using AI Code Generation

1var backstopjs = require('backstopjs');2var config = require('./backstop.json');3backstopjs('reference', {config: config})4.then(function () {5  console.log('Reference created');6  backstopjs('test', {config: config})7  .then(function () {8    console.log('Test completed');9  })10  .catch(function (error) {11    console.error(error);12  });13})14.catch(function (error) {15  console.error(error);16});17{18    {19    },20    {21    },22    {23    }24    {25    }26  "paths": {27  },28  "engineOptions": {29  },30}

Using AI Code Generation

1var backstop = require('backstopjs');2var config = {3    {4    },5    {6    },7    {8    }9    {10    }11  "paths": {12  },13  "engineOptions": {14  },15};16backstop('loadPatches', {config: config})17  .then(function (compareConfig) {18    backstop('test', {config: compareConfig})19      .then(function () {

Using AI Code Generation

1var loadPatch = require('backstopjs/core/command/loadPatches');2loadPatch('backstopjs/core/util/compareScreenshot.js', function (compareScreenshot) {3    compareScreenshot.default = function (config, reference, test, options) {4        return new Promise(function (resolve, reject) {5            var image1 = reference.get();6            var image2 = test.get();7            var width = image1.getWidth();8            var height = image1.getHeight();9            var misMatchThreshold = config.misMatchThreshold;10            var misMatchTolerance = config.misMatchTolerance;11            var misMatchPercentage = 0;12            var misMatchCount = 0;13            var diff = new PNG({ width: width, height: height });14            var diffImage = PNG.sync.write(diff);15            var diffImageBuffer = new Buffer(diffImage);16            var output = {17                getImageDataUrl: function () {18                    return diff.pack().pipe(new stream.PassThrough());19                }20            };21            if (image1.getWidth() !== image2.getWidth() || image1.getHeight() !== image2.getHeight()) {22                output.isSameDimensions = false;23                resolve(output);24            }25            else {26                var diffPixelCount = 0;27                var diffPixelCountThreshold = misMatchThreshold * width * height / 100;28                for (var y = 0; y < height; y++) {29                    for (var x = 0; x < width; x++) {30                        var idx = (width * y + x) << 2;31                        var r1 = image1.getPixel(x, y)[0];32                        var g1 = image1.getPixel(x, y)[1];33                        var b1 = image1.getPixel(x, y)[2];34                        var a1 = image1.getPixel(x, y)[3];35                        var r2 = image2.getPixel(x, y)[0];36                        var g2 = image2.getPixel(x, y)[1];37                        var b2 = image2.getPixel(x, y)[2];38                        var a2 = image2.getPixel(x, y)[3];39                        var diffRed = Math.abs(r1 - r2);40                        var diffGreen = Math.abs(g1 - g2);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.