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How to use parsedMetadata method in tracetest

Best JavaScript code snippet using tracetest

exif_encoder_unittest.js

Source:exif_encoder_unittest.js

1// Copyright 2014 The Chromium Authors. All rights reserved.2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4'use strict';5/**6 * Test case for ordinal exif encoding and decoding.7 */8function testExifEncodeAndDecode() {9  var canvas = getSampleCanvas();10  var data = canvas.toDataURL('image/jpeg');11  var metadata = /** @type {!MetadataItem} */ ({12    mediaMimeType: 'image/jpeg',13    modificationTime: new Date(2015, 0, 7, 15, 30, 6),14    ifd: {15      image: {16        // Manufacture17        271: {id: 0x10f, format: 2, componentCount: 12, value: 'Manufacture\0'},18        // Device model19        272: {id: 0x110, format: 2, componentCount: 12, value: 'DeviceModel\0'},20        // GPS Pointer21        34853: {22          id: 0x8825,23          format: 4,24          componentCount: 1,25          value: 0  // The value is set by the encoder.26        }27      },28      exif: {29        // Lens model30        42036:31            {id: 0xa434, format: 2, componentCount: 10, value: 'LensModel\0'}32      },33      gps: {34        // GPS latitude ref35        1: {id: 0x1, format: 2, componentCount: 2, value: 'N\0'}36      }37    }38  });39  var encoder = ImageEncoder.encodeMetadata(metadata, canvas, 1);40  // Assert that ExifEncoder is returned.41  assertTrue(encoder instanceof ExifEncoder);42  var encodedResult = encoder.encode();43  // Decode encoded exif data.44  var exifParser = new ExifParser(this);45  // Redirect .log and .vlog to console.log for debugging.46  exifParser.log = function(arg) { console.log(arg); };47  exifParser.vlog = function(arg) { console.log(arg); };48  var parsedMetadata = {};49  var byteReader = new ByteReader(encodedResult);50  byteReader.readString(2 + 2); // Skip marker and size.51  exifParser.parseExifSection(parsedMetadata, encodedResult, byteReader);52  // Check ifd.image.53  assertEquals(1, parsedMetadata.ifd.image[0x112].value); // Orientation54  // Since thumbnail is compressed with JPEG, compression must be 6.55  assertEquals(6, parsedMetadata.ifd.image[0x102].value);56  // Check ifd.exif.57  assertEquals(1920, parsedMetadata.ifd.exif[0xA002].value); // PixelXDimension58  assertEquals(1080, parsedMetadata.ifd.exif[0xA003].value); // PixelYDimension59  // These fields should be copied correctly.60  // Manufacture61  assertEquals('Manufacture\0', parsedMetadata.ifd.image[0x10F].value);62  // Device model63  assertEquals('DeviceModel\0', parsedMetadata.ifd.image[0x110].value);64  // Lens model65  assertEquals('LensModel\0', parsedMetadata.ifd.exif[0xa434].value);66  // GPS latitude ref67  assertEquals('N\0', parsedMetadata.ifd.gps[0x1].value);68  // Software should be set as the Gallery app69  assertEquals('Chrome OS Gallery App\0',70      parsedMetadata.ifd.image[0x131].value);71  // Datetime should be updated.72  assertEquals('2015:01:07 15:30:06\0', parsedMetadata.ifd.image[0x132].value);73  // Thumbnail image74  assertTrue(!!parsedMetadata.thumbnailTransform);75  assertTrue(!!parsedMetadata.thumbnailURL);76}77/**78 * Helper function to encode and measure expected thumbnail size.79 * @return {number} Expected thumbnail size.80 */81function measureExpectedThumbnailSize_() {82  var canvas = getSampleCanvas();83  var metadata = /** @type {!MetadataItem} */ ({84    mediaMimeType: 'image/jpeg',85    modificationTime: new Date(2015, 0, 7, 15, 30, 6)86  });87  var encoder = ImageEncoder.encodeMetadata(metadata, canvas, 1);88  /** @suppress {accessControls} */89  function getThumbnailDataUrlForTest() {90    return encoder.thumbnailDataUrl;91  }92  return ImageEncoder.decodeDataURL(getThumbnailDataUrlForTest()).length;93}94/**95 * Helper function for testing that exif encoder drops thumbnail data if there96 * isn't enough space.97 *98 * @param {number} largeFieldValueSize Size of the large value.99 * @param {boolean} expectThumbnail True if thumbnail is expected to be written.100 */101function largeExifDataTestHelper_(largeFieldValueSize, expectThumbnail) {102  var canvas = getSampleCanvas();103  // Generate a long string.104  var longString = '0'.repeat(largeFieldValueSize - 1);105  longString += '\0';106  var metadata = /** @type{!MetadataItem} */ ({107    mediaMimeType: 'image/jpeg',108    modificationTime: new Date(2015, 0, 7, 15, 30, 6),109    ifd: {110      image: {111        // Manufacture112        271: {113          id: 0x10f,114          format: 2,115          componentCount: longString.length,116          value: longString117        }118      }119    }120  });121  var encoder = ImageEncoder.encodeMetadata(metadata, canvas, 1);122  // For failure case, an error is thrown.123  var encodedResult = encoder.encode();124  // Decode encoded exif data and check thumbnail is written or not.125  var exifParser =126      new ExifParser(/** @type{MetadataParserLogger} */ ({verbose: false}));127  var parsedMetadata = {};128  var byteReader = new ByteReader(encodedResult);129  byteReader.readString(2 + 2); // Skip marker and size.130  exifParser.parseExifSection(parsedMetadata, encodedResult, byteReader);131  assertEquals(expectThumbnail, !!parsedMetadata.thumbnailURL);132}133/**134 * Test case when other exif data is small as the thumbnail can fit in.135 */136function testLargeExifDataSmallCase() {137  // 158 bytes: other exif data except value of the large field.138  largeExifDataTestHelper_(139      ExifEncoder.MAXIMUM_EXIF_DATA_SIZE - measureExpectedThumbnailSize_() -140      ExifEncoder.THUMBNAIL_METADATA_SIZE - 158 - 1,141      true);142}143/**144 * Test case when other exif data is large as the thumbnail can just fit in.145 */146function testLargeExifDataBoundaryCase() {147  largeExifDataTestHelper_(148      ExifEncoder.MAXIMUM_EXIF_DATA_SIZE - measureExpectedThumbnailSize_() -149      ExifEncoder.THUMBNAIL_METADATA_SIZE - 158,150      true);151}152/**153 * Test case when other exif data is large as the thumbnail cannot fit in.154 */155function testLargeExifDataExceedsCase() {156  largeExifDataTestHelper_(157      ExifEncoder.MAXIMUM_EXIF_DATA_SIZE - measureExpectedThumbnailSize_() -158      ExifEncoder.THUMBNAIL_METADATA_SIZE - 158 + 1,159      false);...

Using AI Code Generation

1var tracetest = require('./tracetest.js');2tracetest.parsedMetadata();3var fs = require('fs');4module.exports.parsedMetadata = function() {5  var metadata = fs.readFileSync('metadata.json', 'utf8');6  console.log(metadata);7};8at Function.Module._resolveFilename (module.js:338:15)9at Function.Module._load (module.js:280:25)10at Module.require (module.js:364:17)11at require (module.js:380:17)12at Object.<anonymous> (/Users/.../test.js:2:16)13at Module._compile (module.js:456:26)14at Object.Module._extensions..js (module.js:474:10)15at Module.load (module.js:356:32)16at Function.Module._load (module.js:312:12)17at Function.Module.runMain (module.js:497:10)

Using AI Code Generation

1const tracetest = require('tracetest');2tracetest.parsedMetadata(function(err, data) {3  if (err) {4    console.log('Error: ', err);5  } else {6    console.log('Metadata: ', data);7  }8});9const tracetest = require('tracetest');10tracetest.parsedMetadata(function(err, data) {11  if (err) {12    console.log('Error: ', err);13  } else {14    console.log('Metadata: ', data);15  }16});17const tracetest = require('tracetest');18tracetest.parsedMetadata(function(err, data) {19  if (err) {20    console.log('Error: ', err);21  } else {22    console.log('Metadata: ', data);23  }24});25const tracetest = require('tracetest');26tracetest.parsedMetadata(function(err, data) {27  if (err) {28    console.log('Error: ', err);29  } else {30    console.log('Metadata: ', data);31  }32});33const tracetest = require('tracetest');34tracetest.parsedMetadata(function(err, data) {35  if (err) {36    console.log('Error: ', err);37  } else {38    console.log('Metadata: ', data);39  }40});41const tracetest = require('tracetest');42tracetest.parsedMetadata(function(err, data) {43  if (err) {44    console.log('Error: ', err);45  } else {46    console.log('Metadata: ', data);47  }48});

Using AI Code Generation

1var tracer = require('tracer');2var tracetest = require('tracetest');3var metadata = tracetest.parsedMetadata();4var consoleTracer = tracer.console({5    format : "{{message}}",6});7consoleTracer.log("First message");8consoleTracer.log("Second message");9var tracer = require('tracer');10var tracetest = require('tracetest');11var metadata = tracetest.parsedMetadata();12var consoleTracer = tracer.console({13    format : "{{message}}",14});15consoleTracer.log("First message");16consoleTracer.log("Second message");17var tracer = require('tracer');18var util = require('util');19var metadata = util.inspect(process);20var consoleTracer = tracer.console({21    format : "{{message}}",22});23consoleTracer.log("First message");24consoleTracer.log("Second message");25var tracer = require('tracer');26var util = require('util');27var metadata = util.inspect(process);28var consoleTracer = tracer.console({29    format : "{{message}}",30});31consoleTracer.log("First message");32consoleTracer.log("Second message");

Using AI Code Generation

1var tracetest = require('./trace.js');2var trace = new tracetest();3var metadata = trace.parsedMetadata('{"traceId":"123456","spanId":"123456","parentSpanId":"123456","sampled":"123456"}');4console.log(metadata);5var trace = function(){6    this.parsedMetadata = function(json){7        var json = JSON.parse(json);8        return json;9    }10}11module.exports = trace;

Using AI Code Generation

1var tracetest = require('tracetest')2var metadata = tracetest.parsedMetadata('test.js')3console.log(metadata)4var tracetest = require('tracetest')5var metadata = tracetest.parsedMetadata('test.js')6console.log(metadata)7var tracetest = require('tracetest')8var metadata = tracetest.parsedMetadata('test.js')9console.log(metadata)10var tracetest = require('tracetest')11var metadata = tracetest.parsedMetadata('test.js')12console.log(metadata)13var tracetest = require('tracetest')14var metadata = tracetest.parsedMetadata('test.js')15console.log(metadata)16var tracetest = require('tracetest')17var metadata = tracetest.parsedMetadata('test.js')18console.log(metadata)19var tracetest = require('tracetest')20var metadata = tracetest.parsedMetadata('test.js')21console.log(metadata)22var tracetest = require('tracetest')23var metadata = tracetest.parsedMetadata('test.js')24console.log(metadata)

Using AI Code Generation

1var tracetest = require('tracetest');2var traceFilePath = 'tracefile.trace';3var parsedMetadata = tracetest.parseMetadata(traceFilePath);4console.log(parsedMetadata);5var tracetest = require('tracetest');6var traceFilePath = 'tracefile.trace';7var parsedEvents = tracetest.parseEvents(traceFilePath);8console.log(parsedEvents);9var tracetest = require('tracetest');10var traceFilePath = 'tracefile.trace';11var parsedMetadata = tracetest.parseMetadata(traceFilePath);12console.log(parsedMetadata);

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