Merge pull request #4603 from MetaMask/v4.8.0

V4.8.0

1 files changed, 234 insertions, 0 deletions

diff --git a/gentests.js b/gentests.js
new file mode 100644
index 000000000..08232e10f
--- /dev/null
+++ b/gentests.js
@@ -0,0 +1,234 @@
+const fs = require('fs')
+const async = require('async')
+const path = require('path')
+const promisify = require('pify')
+
+// start(/\.selectors.js/, generateSelectorTest).catch(console.error)
+// start(/\.utils.js/, generateUtilTest).catch(console.error)
+startContainer(/\.container.js/, generateContainerTest).catch(console.error)
+
+async function getAllFileNames (dirName) {
+  const rootPath = path.join(__dirname, dirName)
+  const allNames = (await promisify(fs.readdir)(dirName))
+  const fileNames = allNames.filter(name => name.match(/^.+\./))
+  const dirNames = allNames.filter(name => name.match(/^[^.]+$/))
+
+  const fullPathDirNames = dirNames.map(d => `${dirName}/${d}`)
+  const subNameArrays = await promisify(async.map)(fullPathDirNames, getAllFileNames)
+  let subNames = []
+  subNameArrays.forEach(subNameArray => subNames = [...subNames, ...subNameArray])
+
+  return [
+    ...fileNames.map(name => dirName + '/' + name),
+    ...subNames,
+  ]
+}
+
+async function start (fileRegEx, testGenerator) {
+  const fileNames = await getAllFileNames('./ui/app')
+  const sFiles = fileNames.filter(name => name.match(fileRegEx))
+  
+  let sFileMethodNames
+  let testFilePath
+  async.each(sFiles, async (sFile, cb) => {
+    let [, sRootPath, sPath] = sFile.match(/^(.+\/)([^/]+)$/)
+    sFileMethodNames = Object.keys(require(__dirname + '/' + sFile))
+
+    testFilePath = sPath.replace('.', '-').replace('.', '.test.')
+
+    await promisify(fs.writeFile)(
+      `${__dirname}/${sRootPath}tests/${testFilePath}`,
+      testGenerator(sPath, sFileMethodNames),
+      'utf8'
+    )
+  }, (err) => {
+    console.log(err)
+  })
+  
+}
+
+async function startContainer (fileRegEx, testGenerator) {
+  const fileNames = await getAllFileNames('./ui/app')
+  const sFiles = fileNames.filter(name => name.match(fileRegEx))
+  
+  let sFileMethodNames
+  async.each(sFiles, async (sFile, cb) => {
+    console.log(`sFile`, sFile);
+    let [, sRootPath, sPath] = sFile.match(/^(.+\/)([^/]+)$/)
+    
+    let testFilePath = sPath.replace('.', '-').replace('.', '.test.')
+
+    await promisify(fs.readFile)(
+      __dirname + '/' + sFile,
+      'utf8',
+      async (err, result) => {
+        console.log(`result`, result.length);
+        const returnObjectStrings = result
+          .match(/return\s(\{[\s\S]+?})\n}/g)
+          .map(str => {
+            return str
+              .slice(0, str.length - 1)
+              .slice(7)
+              .replace(/\n/g, '')
+              .replace(/\s\s+/g, ' ')
+              
+          })
+        const mapStateToPropsAssertionObject = returnObjectStrings[0]
+          .replace(/\w+:\s\w+\([\w,\s]+\),/g, str => {
+            const strKey = str.match(/^\w+/)[0]
+            return strKey + ': \'mock' + str.match(/^\w+/)[0].replace(/^./, c => c.toUpperCase()) + ':mockState\',\n'
+          })
+          .replace(/{\s\w.+/, firstLinePair => `{\n ${firstLinePair.slice(2)}`)
+          .replace(/\w+:.+,/g, s => `       ${s}`)
+          .replace(/}/g, s => `     ${s}`)
+        let mapDispatchToPropsMethodNames
+        if (returnObjectStrings[1]) {
+          mapDispatchToPropsMethodNames = returnObjectStrings[1].match(/\s\w+:\s/g).map(str => str.match(/\w+/)[0])
+        }
+        const proxyquireObject = ('{\n  ' + result
+          .match(/import\s{[\s\S]+?}\sfrom\s.+/g)
+          .map(s => s.replace(/\n/g, ''))
+          .map((s, i) => {
+            const proxyKeys = s.match(/{.+}/)[0].match(/\w+/g)
+            return '\'' + s.match(/'(.+)'/)[1] + '\': { ' + (proxyKeys.length > 1
+                ? '\n    ' + proxyKeys.join(': () => {},\n    ') + ': () => {},\n '
+                : proxyKeys[0] + ': () => {},') + ' }'
+          })
+          .join(',\n  ') + '\n}')
+          .replace('{ connect: () => {}, },', `{
+    connect: (ms, md) => {
+      mapStateToProps = ms
+      mapDispatchToProps = md
+      return () => ({})
+    },
+  },`)
+          // console.log(`proxyquireObject`, proxyquireObject);
+        // console.log(`mapStateToPropsAssertionObject`, mapStateToPropsAssertionObject);
+        // console.log(`mapDispatchToPropsMethodNames`, mapDispatchToPropsMethodNames);
+
+        const containerTest = generateContainerTest(sPath, {
+          mapStateToPropsAssertionObject,
+          mapDispatchToPropsMethodNames,
+          proxyquireObject,
+        })
+        // console.log(`containerTest`, `${__dirname}/${sRootPath}tests/${testFilePath}`, containerTest);
+        console.log('----')
+        console.log(`sRootPath`, sRootPath);
+        console.log(`testFilePath`, testFilePath);
+        await promisify(fs.writeFile)(
+          `${__dirname}/${sRootPath}tests/${testFilePath}`,
+          containerTest,
+          'utf8'
+        )
+      }
+    )
+  }, (err) => {
+    console.log('123', err)
+  })
+  
+}
+
+function generateMethodList (methodArray) {
+  return methodArray.map(n => '  ' + n).join(',\n') + ',' 
+}
+
+function generateMethodDescribeBlock (methodName, index) {
+  const describeBlock =
+  `${index ? '  ' : ''}describe('${methodName}()', () => {
+    it('should', () => {
+      const state = {}
+
+      assert.equal(${methodName}(state), )
+    })
+  })`
+  return describeBlock
+}
+
+function generateDispatchMethodDescribeBlock (methodName, index) {
+  const describeBlock =
+  `${index ? '    ' : ''}describe('${methodName}()', () => {
+      it('should dispatch an action', () => {
+        mapDispatchToPropsObject.${methodName}()
+        assert(dispatchSpy.calledOnce)
+      })
+    })`
+  return describeBlock
+}
+
+function generateMethodDescribeBlocks (methodArray) {
+  return methodArray
+    .map((methodName, index) => generateMethodDescribeBlock(methodName, index))
+    .join('\n\n')
+}
+
+function generateDispatchMethodDescribeBlocks (methodArray) {
+  return methodArray
+    .map((methodName, index) => generateDispatchMethodDescribeBlock(methodName, index))
+    .join('\n\n')
+}
+
+function generateSelectorTest (name, methodArray) {
+return `import assert from 'assert'
+import {
+${generateMethodList(methodArray)}
+} from '../${name}'
+
+describe('${name.match(/^[^.]+/)} selectors', () => {
+
+  ${generateMethodDescribeBlocks(methodArray)}
+
+})`
+}
+
+function generateUtilTest (name, methodArray) {
+return `import assert from 'assert'
+import {
+${generateMethodList(methodArray)}
+} from '../${name}'
+
+describe('${name.match(/^[^.]+/)} utils', () => {
+
+  ${generateMethodDescribeBlocks(methodArray)}
+
+})`
+}
+
+function generateContainerTest (sPath, {
+  mapStateToPropsAssertionObject,
+  mapDispatchToPropsMethodNames,
+  proxyquireObject,
+}) {
+return `import assert from 'assert'
+import proxyquire from 'proxyquire'
+import sinon from 'sinon'
+
+let mapStateToProps
+let mapDispatchToProps
+
+proxyquire('../${sPath}', ${proxyquireObject})
+
+describe('${sPath.match(/^[^.]+/)} container', () => {
+
+  describe('mapStateToProps()', () => {
+
+    it('should map the correct properties to props', () => {
+      assert.deepEqual(mapStateToProps('mockState'), ${mapStateToPropsAssertionObject})
+    })
+    
+  })
+
+  describe('mapDispatchToProps()', () => {
+    let dispatchSpy
+    let mapDispatchToPropsObject
+
+    beforeEach(() => {
+      dispatchSpy = sinon.spy()
+      mapDispatchToPropsObject = mapDispatchToProps(dispatchSpy)
+    })
+
+    ${mapDispatchToPropsMethodNames ? generateDispatchMethodDescribeBlocks(mapDispatchToPropsMethodNames) : 'delete'}
+
+  })
+
+})`
+}
\ No newline at end of file