fix(github): show the actual error message (#286)

* fix: 🐛 show actual github error message

* refactor(github): replaced "github" with "GitHub"

Co-authored-by: Berkmann18 <maxieberkmann@gmail.com>

src/repo/__tests__/github.js

@@ -58,9 +58,7 @@ async function rejects(promise) {
 }
 
 test('handle errors', async () => {
-  nock('https://api.github.com')
-    .get('/users/nodisplayname')
-    .replyWithError(404)
+  nock('https://api.github.com').get('/users/nodisplayname').replyWithError(404)
 
   await rejects(getUserInfo('nodisplayname'))
 })
@@ -73,15 +71,13 @@ test('Throw error when no username is provided', () => {
 
 test('Throw error when non existent username is provided', async () => {
   const username = 'thisusernamedoesntexist'
-  nock('https://api.github.com')
-    .get(`/users/${username}`)
-    .reply(404, {
-      message: 'Not Found',
-      documentation_url:
-        'https://developer.github.com/v3/users/#get-a-single-user',
-    })
+  nock('https://api.github.com').get(`/users/${username}`).reply(404, {
+    message: 'Not Found',
+    documentation_url:
+      'https://developer.github.com/v3/users/#get-a-single-user',
+  })
   await expect(getUserInfo(username)).rejects.toThrow(
-    `Login not found when adding a contributor for username - ${username}.`,
+    `The username ${username} doesn't exist on GitHub.`,
   )
 })
 
@@ -100,27 +96,24 @@ test('Throw error when missing enterprise authentication', async () => {
   )
 })
 
-test('handle github errors', async () => {
-  nock('https://api.github.com')
-    .get('/users/nodisplayname')
-    .reply(200, {
-      message:
-        "API rate limit exceeded for 0.0.0.0. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
-      documentation_url: 'https://developer.github.com/v3/#rate-limiting',
-    })
+test('handle API rate github errors', async () => {
+  const githubErrorMessage =
+    "API rate limit exceeded for 0.0.0.0. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details."
+  nock('https://api.github.com').get('/users/nodisplayname').reply(200, {
+    message: githubErrorMessage,
+    documentation_url: 'https://developer.github.com/v3/#rate-limiting',
+  })
 
-  await rejects(getUserInfo('nodisplayname'))
+  await expect(getUserInfo('nodisplayname')).rejects.toThrow(githubErrorMessage)
 })
 
 test('fill in the name when null is returned', async () => {
-  nock('https://api.github.com')
-    .get('/users/nodisplayname')
-    .reply(200, {
-      login: 'nodisplayname',
-      name: null,
-      avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
-      html_url: 'https://github.com/nodisplayname',
-    })
+  nock('https://api.github.com').get('/users/nodisplayname').reply(200, {
+    login: 'nodisplayname',
+    name: null,
+    avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
+    html_url: 'https://github.com/nodisplayname',
+  })
 
   const info = await getUserInfo('nodisplayname')
   expect(info.name).toBe('nodisplayname')
@@ -161,28 +154,24 @@ test('attaches no token when not supplied', async () => {
 })
 
 test('fill in the name when an empty string is returned', async () => {
-  nock('https://api.github.com')
-    .get('/users/nodisplayname')
-    .reply(200, {
-      login: 'nodisplayname',
-      name: '',
-      avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
-      html_url: 'https://github.com/nodisplayname',
-    })
+  nock('https://api.github.com').get('/users/nodisplayname').reply(200, {
+    login: 'nodisplayname',
+    name: '',
+    avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
+    html_url: 'https://github.com/nodisplayname',
+  })
 
   const info = await getUserInfo('nodisplayname')
   expect(info.name).toBe('nodisplayname')
 })
 
 test('append http when no absolute link is provided', async () => {
-  nock('https://api.github.com')
-    .get('/users/nodisplayname')
-    .reply(200, {
-      login: 'nodisplayname',
-      name: '',
-      avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
-      html_url: 'www.github.com/nodisplayname',
-    })
+  nock('https://api.github.com').get('/users/nodisplayname').reply(200, {
+    login: 'nodisplayname',
+    name: '',
+    avatar_url: 'https://avatars2.githubusercontent.com/u/3869412?v=3&s=400',
+    html_url: 'www.github.com/nodisplayname',
+  })
 
   const info = await getUserInfo('nodisplayname')
   expect(info.profile).toBe('http://www.github.com/nodisplayname')

src/repo/github.js

@@ -102,9 +102,11 @@ const getUserInfo = function (username, hostname, optionalPrivateToken) {
 
       // Github throwing specific errors as 200...
       if (!profile && body.message) {
-        throw new Error(
-          `Login not found when adding a contributor for username - ${username}.`,
-        )
+        if (body.message.toLowerCase().includes('api rate limit exceeded')) {
+          throw new Error(body.message)
+        } else {
+          throw new Error(`The username ${username} doesn't exist on GitHub.`)
+        }
       }
 
       profile = parseHttpUrl(profile)