squash: Adding tests in for load and loadPatch

* This also adds the proxyquire and nock modules as dev dependencies

Author: lholmquist

package.json

@@ -18,6 +18,8 @@
   "devDependencies": {
     "check-pkg": "^2.0.2",
     "lintit": "^6.0.1",
+    "nock": "~10.0.6",
+    "proxyquire": "^2.1.1",
     "tap": "^12.6.1"
   },
   "files": [

test/utils-test.js

@@ -0,0 +1,104 @@
+'use strict'
+
+const { test } = require('tap')
+const proxyquire = require('proxyquire')
+const nock = require('nock')
+
+const commitHash = 'a12b34c56'
+
+test('Test util functions', (t) => {
+  t.test('test sha load function', (tt) => {
+    const commitMessage = 'Commit Message'
+
+    const utils = proxyquire('../lib/utils', {
+      'child_process': {
+        exec: (cmd, cb) => {
+          tt.equals(cmd,
+                    `git show --quiet --format=medium ${commitHash}`,
+                    'cmd should be equal')
+          cb(null, commitMessage)
+        }
+      }
+    })
+
+    utils.load(commitHash, (err, stdout, stderr) => {
+      tt.equals(err, null, 'Should not be an error')
+      tt.equals(commitMessage, stdout, 'should have the commit message')
+      tt.end()
+    })
+  })
+
+  t.test('test sha load function with error', (tt) => {
+    const utils = proxyquire('../lib/utils', {
+      'child_process': {
+        exec: (cmd, cb) => {
+          cb('Error', null)
+        }
+      }
+    })
+
+    utils.load(commitHash, (err, stdout, stderr) => {
+      tt.equals(err, 'Error', 'should have the error message')
+      tt.end()
+    })
+  })
+
+  t.test('test load patch function using http', (tt) => {
+    const commitUrl = `http://api.github.com/repos/nodejs/${commitHash}`
+    const util = require('../lib/utils')
+
+    nock('http://api.github.com', {
+      reqheaders: {
+        'user-agent': 'core-validate-commit'
+      }
+    })
+      .get(`/repos/nodejs/${commitHash}`)
+      .reply(200, {commit: 'message'})
+
+    util.load(commitUrl, (err, commitMessage) => {
+      tt.equals(err, null, 'Should not be an error')
+      tt.pass()
+      tt.end()
+    })
+  })
+
+  t.test('test load patch function using https', (tt) => {
+    const commitUrl = `https://api.github.com/repos/nodejs/${commitHash}`
+    const util = require('../lib/utils')
+
+    nock('https://api.github.com', {
+      reqheaders: {
+        'user-agent': 'core-validate-commit'
+      }
+    })
+      .get(`/repos/nodejs/${commitHash}`)
+      .reply(200, {commit: 'message'})
+
+    util.load(commitUrl, (err, commitMessage) => {
+      tt.equals(err, null, 'Should not be an error')
+      tt.pass()
+      tt.end()
+    })
+  })
+
+  t.test('test load patch function - catch parse error', (tt) => {
+    const commitUrl = `http://api.github.com/repos/nodejs/${commitHash}`
+    const util = require('../lib/utils')
+
+    nock('http://api.github.com', {
+      reqheaders: {
+        'user-agent': 'core-validate-commit'
+      }
+    })
+      .get(`/repos/nodejs/${commitHash}`)
+      .reply(200, '{commit: \'message\'}')
+
+    util.load(commitUrl, (err, commitMessage) => {
+      tt.true(err)
+      tt.pass()
+      tt.end()
+    })
+  })
+
+  t.end()
+})