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Fabo/fs mock #391
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Fabo/fs mock #391
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6ee6c1a
not working
faboweb c070cb2
Merge branch 'develop' into fabo/fs-mock
faboweb c00bd32
fixed node.js tests
faboweb 506b719
fixed all tests for mock fs
faboweb 43761d5
added comments
faboweb bfac60c
removed annoying console log
faboweb f7bf096
added fs mock description
faboweb 9dccf64
fixed lcd connector tests
faboweb 8ddaf82
ignore vscode folder
faboweb dfcb91f
Merge branch 'develop' into fabo/fs-mock
faboweb bc25dd1
Merge branch 'develop' into fabo/fs-mock
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| { | ||
| // Verwendet IntelliSense zum Ermitteln möglicher Attribute. | ||
| // Zeigen Sie auf vorhandene Attribute, um die zugehörigen Beschreibungen anzuzeigen. | ||
| // Weitere Informationen finden Sie unter https://go.microsoft.com/fwlink/?linkid=830387 | ||
| "version": "0.2.0", | ||
| "configurations": [ | ||
| { | ||
| "type": "node", | ||
| "request": "launch", | ||
| "name": "Jest Tests", | ||
| "program": "${workspaceRoot}\\node_modules\\jest\\bin\\jest.js", | ||
| "args": [ | ||
| "-i" | ||
| ], | ||
| "internalConsoleOptions": "openOnSessionStart" | ||
| } | ||
| ] | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| const { Writable } = require('stream') | ||
| const { normalize, sep } = require('path') | ||
|
|
||
| /* | ||
| * this mock implements every function (all used in this project for now) in fs-extra so that the file system is just represented by a json file holding file content as strings | ||
| */ | ||
| export default function mockFsExtra (fileSystem = {}) { | ||
| const fsExtraMock = { | ||
| copy: (from, to) => { | ||
| let {file} = get(from, fsExtraMock.fs) | ||
| if (file === null) { | ||
| throwENOENT(from) | ||
| } | ||
| create(to, fsExtraMock.fs, file) | ||
| }, | ||
| ensureFile: (path) => { | ||
| let {file} = get(path, fsExtraMock.fs) | ||
| if (file === null) { | ||
| create(path, fsExtraMock.fs) | ||
| } | ||
| }, | ||
| ensureDir: (path) => { | ||
| let {file} = get(path, fsExtraMock.fs) | ||
| if (file === null) { | ||
| create(path, fsExtraMock.fs) | ||
| } | ||
| }, | ||
| createWriteStream: () => new Writable(), | ||
| // for simplicity we say if there is a file we can access it | ||
| access: (path) => { | ||
| let {file} = get(path, fsExtraMock.fs) | ||
| if (file === null) { | ||
| throwENOENT(path) | ||
| return false | ||
| } | ||
| return !!get(path, fsExtraMock.fs).file | ||
| }, | ||
| remove: (path) => { | ||
| let {parent, name} = get(path, fsExtraMock.fs) | ||
| delete parent[name] | ||
| }, | ||
| readFile: (path) => { | ||
| let {file} = get(path, fsExtraMock.fs) | ||
| if (!file) { | ||
| throwENOENT(path) | ||
| } | ||
| return file | ||
| }, | ||
| writeFile: (path, file) => create(path, fsExtraMock.fs, file), | ||
| pathExists: (path) => !!get(path, fsExtraMock.fs).file, | ||
| exists: (path) => { | ||
| let {file} = get(path, fsExtraMock.fs) | ||
| return file !== null | ||
| } | ||
| } | ||
|
|
||
| // all methods are synchronous in tests | ||
| Object.keys(fsExtraMock).forEach(key => { | ||
| fsExtraMock[key + 'Sync'] = fsExtraMock[key] | ||
| }) | ||
|
|
||
| // for debugging | ||
| fsExtraMock.MOCKED = true | ||
| fsExtraMock.fs = fileSystem | ||
|
|
||
| // strip long content from fs | ||
| function fsToString (fs) { | ||
| // clone | ||
| fs = JSON.parse(JSON.stringify(fs)) | ||
| Object.keys(fs).forEach(key => { | ||
| if (typeof fs[key] === 'object') { | ||
| fs[key] = fsToString(fs[key]) | ||
| } else { | ||
| fs[key] = '#CONTENT#' | ||
| } | ||
| }) | ||
| return fs | ||
| } | ||
|
|
||
| function throwENOENT (path) { | ||
| let error = new Error('Path ' + path + ' doesnt exist.\nFS:' + JSON.stringify(fsToString(fileSystem), null, 2)) | ||
| error.code = 'ENOENT' | ||
| throw error | ||
| } | ||
|
|
||
| function get (path, fs) { | ||
| path = normalize(path) | ||
| let pathArr = path.split(sep).filter(x => x !== '') | ||
| let current = pathArr.shift() | ||
|
|
||
| if (fs[current]) { | ||
| if (pathArr.length === 0) { | ||
| return { | ||
| file: fs[current], | ||
| name: current, | ||
| parent: fs | ||
| } | ||
| } | ||
| return get(pathArr.join('/'), fs[current]) | ||
| } | ||
| return { | ||
| file: null, | ||
| name: current, | ||
| parent: fs | ||
| } | ||
| } | ||
|
|
||
| function create (path, fs, file = {}) { | ||
| path = normalize(path) | ||
| let pathArr = path.split(sep).filter(x => x !== '') | ||
| let current = pathArr.shift() | ||
|
|
||
| if (!fs[current]) { | ||
| fs[current] = {} | ||
| } | ||
| if (pathArr.length === 0) { | ||
| if (typeof file === 'object') { | ||
| // clone object | ||
| fs[current] = JSON.parse(JSON.stringify(file)) | ||
| } else { | ||
| fs[current] = file | ||
| } | ||
| return true | ||
| } | ||
| return create(pathArr.join('/'), fs[current], file) | ||
| } | ||
|
|
||
| return fsExtraMock | ||
| } |
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