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"use strict"; |
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/* ------------------------------------------------------------------------ */ |
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require ('chai').should () |
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/* ------------------------------------------------------------------------ */ |
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describe ('impl/partition', () => { |
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const partition = require ('./impl/partition') |
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const spans = partition ([ 'a', 'b', 'c', undefined, undefined, 42], x => typeof x) |
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spans.should.deep.equal ([ { label: 'string', items: ['a', 'b', 'c'] }, |
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{ label: 'undefined', items: [undefined, undefined] }, |
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{ label: 'number', items: [42] } ]) |
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}) |
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/* ------------------------------------------------------------------------ */ |
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describe ('StackTracey', () => { |
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const path = require ('path') |
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const StackTracey = require ('./stacktracey') |
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StackTracey.resetCache () |
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const shouldBeVisibleInStackTrace = () => new StackTracey () // @hide |
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it ('works', () => { |
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const stack = shouldBeVisibleInStackTrace () |
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34
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stack.should.be.an.instanceof (Array) |
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36
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stack[0].should.deep.equal ({ |
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beforeParse: 'at shouldBeVisibleInStackTrace (' + path.join (process.cwd (), 'test.js') + ':28:47)', |
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callee: 'shouldBeVisibleInStackTrace', |
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index: false, |
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native: false, |
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file: path.join (process.cwd (), 'test.js').replace (/\\/g, '/'), |
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line: 28, |
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column: 47, |
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calleeShort: 'shouldBeVisibleInStackTrace', |
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fileName: 'test.js', |
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fileRelative: 'test.js', |
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fileShort: 'test.js', |
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thirdParty: false |
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}) |
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}) |
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it ('allows to read sources', () => { |
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const stack = shouldBeVisibleInStackTrace ().withSources // @hide |
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stack.should.be.an.instanceof (StackTracey) |
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stack[0].beforeParse.should.not.be.undefined // should preserve previous fields |
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stack[0].sourceLine.should.equal (' const shouldBeVisibleInStackTrace = () => new StackTracey () ') |
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stack[0].hide.should.equal (true) // reads // @hide marker |
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stack[1].hide.should.equal (true) // reads // @hide marker |
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const cleanStack = stack.clean |
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cleanStack.should.be.an.instanceof (StackTracey) |
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StackTracey.locationsEqual (cleanStack[0], stack[0]).should.equal (true) // should not clean top element |
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StackTracey.locationsEqual (cleanStack[1], stack[1]).should.equal (false) // should clean second element (due to // @hide) |
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}) |
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it ('allows creation from array + groups duplicate lines', () => { |
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const stack = new StackTracey ([ |
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{ file: 'yo.js', line: 11, callee: 'a.funkktion', calleeShort: 'a' }, |
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{ file: 'yo.js', line: 10, callee: 'foobar.boobar', calleeShort: 'foobar' }, |
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{ file: 'yo.js', line: 10, callee: 'foobar.boobar', calleeShort: 'foobar' }, |
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{ file: 'lol.js', line: 10, callee: '', calleeShort: '' }, |
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]) |
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const clean = stack.clean.map (x => Object.assign ({ |
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file: x.file, |
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line: x.line, |
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callee: x.callee, |
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calleeShort: x.calleeShort })) |
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clean.should.be.an.instanceof (StackTracey) |
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Array.from (clean).should.deep.equal ([ // .should does not recognize StackTracey as normal array... |
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{ file: 'yo.js', line: 11, callee: 'a.funkktion', calleeShort: 'a' }, |
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{ file: 'yo.js', line: 10, callee: 'foobar.boobar → foobar.boobar', calleeShort: 'foobar → foobar' }, |
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{ file: 'lol.js', line: 10, callee: '', calleeShort: '' }, |
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]) |
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}) |
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it ('handles inaccessible files', () => { |
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const stack = shouldBeVisibleInStackTrace () |
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stack[0].file = '^___^' |
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stack.withSources[0].sourceLine.should.equal ('') |
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stack.withSources[0].error.should.be.an.instanceof (Error) |
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}) |
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it ('exposes some Array methods', () => { |
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const stack = shouldBeVisibleInStackTrace () |
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const sliced = stack.slice (1) |
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const deltaLength = (stack.length - sliced.length) |
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deltaLength.should.equal (1) |
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sliced.should.be.an.instanceof (StackTracey) |
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sliced.filter (x => true).should.be.an.instanceof (StackTracey) |
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}) |
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it ('works with sourcemaps', () => { |
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const mkay = require ('./test_files/mkay.uglified') |
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try { |
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mkay () |
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} |
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catch (e) { |
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e.message.should.equal ('mkay') |
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const top = new StackTracey (e).withSources[0] |
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128
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top.line .should.equal (4) |
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top.column .should.equal (22) |
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top.sourceLine .should.equal ('\t\t\t\t\tthrow new Error (\'mkay\') }') |
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top.file .should.equal (path.resolve ('./test_files/mkay.js').replace (/\\/g, '/')) |
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top.fileShort .should.equal ('test_files/mkay.js') |
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top.fileName .should.equal ('mkay.js') |
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} |
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}) |
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it ('pretty printing works', function prettyTest () { |
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const pretty = new StackTracey ().clean.pretty |
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console.log ('') |
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console.log (pretty, '\n') |
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pretty.split ('\n')[0].should.equal ('at prettyTest test.js:140 const pretty = new StackTracey ().clean.pretty') |
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}) |
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it ('trims too long columns in the pretty printed output', () => { |
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const stack = new StackTracey ([ |
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{ fileShort: 'dasdasdasdadadadasdasdasdadasdassdasdaddadasdas.js', line: 11, calleeShort: 'dadasdasdasdasdasdasdasdasdasdasdasdasd' }, |
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]) |
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stack.pretty.split ('\n')[0].should.equal ('at dadasdasdasdasdasdasdasdasdas… …adasdasdasdadasdassdasdaddadasdas.js:11 ') |
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}) |
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it ('exposes Array methods', () => { |
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const stack = new StackTracey ([ |
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{ file: 'foo' }, |
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{ file: 'bar' } |
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]) |
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164
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const mapped = stack.map ((x, i) => Object.assign (x, { i })) |
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166
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mapped.should.deep.equal ([ { file: 'foo', i: 0 }, { file: 'bar', i: 1 } ]) |
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mapped.should.be.an.instanceof (Array) |
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mapped.should.be.an.instanceof (StackTracey) |
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stack.reduce ((memo, x) => memo + x.file, '').should.equal ('foobar') |
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172
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const filtered = stack.filter (x => x.file === 'bar') |
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filtered.length.should.equal (1) |
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filtered[0].should.deep.equal ({ file: 'bar', i: 1 }) |
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}) |
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it ('computes relative path correctly', () => { |
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StackTracey.relativePath ('webpack:///~/jquery/dist/jquery.js') |
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.should.equal ( '~/jquery/dist/jquery.js') |
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183
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StackTracey.relativePath ('webpack:/webpack/bootstrap') |
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.should.equal ( 'webpack/bootstrap') |
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}) |
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187
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it ('computes short path correctly', () => { |
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189
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StackTracey.shortenPath ('webpack/bootstrap/jquery/dist/jquery.js') |
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.should.equal ('jquery/dist/jquery.js') |
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192
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StackTracey.shortenPath ('node_modules/jquery/dist/jquery.js') |
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.should.equal ('jquery/dist/jquery.js') |
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}) |
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196
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const nodeVersion = Number (process.version.match(/^v(\d+\.\d+)/)[1]) |
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if (nodeVersion >= 5) { |
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199
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it ('recognizes SyntaxErrors', () => { |
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201
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try { require ('./test_files/syntax_error.js') } |
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catch (e) { |
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204
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const stack = new StackTracey (e).clean |
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206
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console.log ('') |
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207
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console.log (stack.pretty, '\n') |
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209
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stack[0].syntaxError.should.equal (true) |
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stack[0].column.should.equal (5) |
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211
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212
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stack.pretty.split ('\n')[0].should.equal ('at (syntax error) test_files/syntax_error.js:2 foo->bar () ') |
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} |
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}) |
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} |
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217
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it ('implements StackTracey.isThirdParty', () => { |
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StackTracey.isThirdParty.include (path => path === 'test.js') |
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new StackTracey ()[0].thirdParty.should.equal (true) |
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223
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StackTracey.isThirdParty.except (path => path === 'test.js') |
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new StackTracey ()[0].thirdParty.should.equal (false) |
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}) |
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228
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it ('.withSource', () => { |
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229
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230
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const line = new StackTracey ().withSource (0).sourceLine.trim () |
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line.should.equal ('const line = new StackTracey ().withSource (0).sourceLine.trim ()') |
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}) |
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234
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it ('.at', () => { |
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new StackTracey ().at (0).file.includes ('stacktracey/test.js').should.equal (true) |
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}) |
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239
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it ('detects Array methods as native', () => { |
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240
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241
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const arr = [1,2,3] |
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const stack = arr.reduce (() => new StackTracey ()) |
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243
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244
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stack[1].native.should.equal (true) |
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}) |
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246
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247
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it ('works on Windows', () => { |
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248
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249
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const dir = process.cwd () |
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250
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251
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const windowsStack = |
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[ |
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'Error', |
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' at Context.it (' + dir + '\\test.js:34:22)', |
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' at callFn (' + dir + '\\node_modules\\mocha\\lib\\runnable.js:354:21)', |
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' at runCallback (timers.js:800:20)' |
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257
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].join ('\n') |
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258
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259
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const stack = new StackTracey (windowsStack) |
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260
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const pretty = stack.pretty |
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261
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const lines = pretty.split ('\n') |
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262
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263
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console.log ('') |
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264
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console.log (pretty, '\n') |
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265
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266
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lines[0].should.equal ('at it test.js:34 stack.should.be.an.instanceof (Array)') |
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267
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lines[1].indexOf ('at callFn mocha/lib/runnable.js:354').should.equal (0) |
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268
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}) |
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269
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270
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}) |
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271
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273
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274
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xpl /
stacktracey
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