More application development. Added 7zip extraction helper in util

core/util.mjs

@@ -1,4 +1,5 @@
 import path from 'path'
+import fs from 'fs/promises'
 import { spawn } from 'child_process'
 import { fileURLToPath, pathToFileURL } from 'url'
 
@@ -50,6 +51,22 @@ export default class Util {
     if (this.getAppNames(config).length === 0) throw new Error('no application was found in config')
     if (config.debugPort != null && (typeof(config.debugPort) !== 'number' || !config.debugPort)) throw new Error('debugPort in config not a valid number')
   }
+  
+  extractFile(file, stream = function() {}) {
+    return this.runCommand(this.get7zipExecutable(), ['x', file], path.dirname(file), stream)
+      .then(() => {
+        if (!file.indexOf('.tar.')) return
+
+        let tarFile = file.slice(0, file.lastIndexOf('.'))
+        return fs.stat(tarFile)
+          .catch(function() { return null })
+          .then((stat) => {
+            if (!stat) return
+            return this.extractFile(tarFile)
+              .then(function() { return fs.rm(tarFile, { force: true }) })
+          })
+      })
+  }
 
   runCommand(command, options = [], folder = null, stream = function() {}) {
     return new Promise(function(res, rej) {

test/application.test.mjs

@@ -211,13 +211,39 @@ t.timeout(250).describe('#update()', function() {
     assert.match(db.data.core.testapp.updater, new RegExp(new Date().toISOString().split('T')[0]))
   })
 
-  t.test('should call provider download latest correctly if new version', async function() {
+  t.test('should call provider download latest correctly if new 7zip version', async function() {
+    const assertError = new Error('Without a fight')
+    const assertLink = 'All of you'
+    const assertVersion = { version: '123456789', link: assertLink, filename: 'test.7z' }
+    const assertTarget = util.getPathFromRoot('./testapp/123456789/file.7z')
+
+    await assert.isRejected(fs.stat('./test/testapp/123456789'))
+
+    provider.getLatestVersion.resolves(assertVersion)
+    provider.downloadVersion.rejects(assertError)
+    db.data.core.testapp.updater = ''
+
+    let err = await assert.isRejected(app.update())
+    assert.strictEqual(err, assertError)
+    assert.strictEqual(app.updating, false)
+
+    assert.match(db.data.core.testapp.updater, /found/i)
+    assert.match(db.data.core.testapp.updater, new RegExp(assertVersion.version))
+    assert.match(db.data.core.testapp.updater, /downloading/i)
+    assert.match(db.data.core.testapp.updater, new RegExp(assertLink))
+    assert.match(db.data.core.testapp.updater, new RegExp(assertTarget.replace(/\\/g, '\\\\')))
+    assert.strictEqual(provider.downloadVersion.firstCall[0], assertVersion)
+    assert.strictEqual(provider.downloadVersion.firstCall[1], assertTarget)
+    
+    await fs.stat('./test/testapp/123456789')
+  })
+
+  t.test('should call provider download latest correctly if new 7zip version', async function() {
     const assertError = new Error('Without a fight')
     const assertLink = 'All of you'
     const assertVersion = { version: '123456789', link: assertLink, filename: 'test.7z' }
     const assertTarget = util.getPathFromRoot('./testapp/123456789/file.7z')
 
-    await assert.isFulfilled(fs.stat('./test/testapp'))
     await assert.isRejected(fs.stat('./test/testapp/123456789'))
 
     provider.getLatestVersion.resolves(assertVersion)
@@ -252,18 +278,4 @@ t.timeout(250).describe('#update()', function() {
     assert.match(db.data.core.testapp.updater, /already/i)
     assert.match(db.data.core.testapp.updater, /nothing/i)
   })
-
-  t.test('should do nothing if version is found in versions', async function() {
-    const assertError = new Error('should not be seen')
-    const assertVersion = { version: '999.888.777.666', filename: 'test.7z' }
-    provider.getLatestVersion.resolves(assertVersion)
-    provider.downloadVersion.rejects(assertError)
-    db.data.core.testapp.updater = ''
-    db.data.core.testapp.latestInstalled = assertVersion.version
-
-    await app.update()
-    assert.notOk(provider.downloadVersion.called)
-    assert.match(db.data.core.testapp.updater, /already/i)
-    assert.match(db.data.core.testapp.updater, /nothing/i)
-  })
 })

test/util.test.mjs

@@ -184,3 +184,55 @@ t.describe('#verifyConfig()', function() {
     })
   })
 })
+
+t.describe('#extractFile()', function() {
+  var util = new Util(import.meta.url)
+
+  t.afterEach(function() {
+    return Promise.all([
+      fs.rm('./test/testapp/example.tar', { force: true }),
+      fs.rm('./test/testapp/file1.txt', { force: true }),
+      fs.rm('./test/testapp/file2.txt', { force: true }),
+    ])
+  })
+
+  t.test('should support extracting 7z file', async function() {
+    await Promise.all([
+      assert.isRejected(fs.stat(util.getPathFromRoot('./testapp/file1.txt'))),
+      assert.isRejected(fs.stat(util.getPathFromRoot('./testapp/file2.txt'))),
+    ])
+
+    await util.extractFile(util.getPathFromRoot('./testapp/example.7z'))
+
+    let stats = await Promise.all([
+      fs.stat(util.getPathFromRoot('./testapp/file1.txt')),
+      fs.stat(util.getPathFromRoot('./testapp/file2.txt')),
+    ])
+    assert.strictEqual(stats[0].size, 5)
+    assert.strictEqual(stats[1].size, 5)
+  })
+
+  t.test('should support extracting .tar.gz file', async function() {
+    await Promise.all([
+      assert.isRejected(fs.stat(util.getPathFromRoot('./testapp/file1.txt'))),
+      assert.isRejected(fs.stat(util.getPathFromRoot('./testapp/file2.txt'))),
+    ])
+
+    await util.extractFile(util.getPathFromRoot('./testapp/example.tar.gz'))
+
+    let stats = await Promise.all([
+      fs.stat(util.getPathFromRoot('./testapp/file1.txt')),
+      fs.stat(util.getPathFromRoot('./testapp/file2.txt')),
+    ])
+    assert.strictEqual(stats[0].size, 5)
+    assert.strictEqual(stats[1].size, 5)
+
+    await assert.isRejected(fs.stat(util.getPathFromRoot('./testapp/example.tar')))
+  })
+
+  t.test('should stream the process of extracting', async function() {
+    let output = ''
+    await util.extractFile(util.getPathFromRoot('./testapp/example.tar.gz'), function(msg) { output += msg + '\n' })
+    console.log(output)
+  })
+})