added VCR and specs for original fetcher

Gemfile

@@ -15,6 +15,7 @@ group :development do
 end
 
 group :test do
+  gem "vcr"
   gem "coveralls", "~>0.8", require: false
   gem "simplecov", "~>0.10", require: false
   gem "codeclimate-test-reporter", "~>0.4"

lib/github_changelog_generator/fetcher.rb

@@ -220,7 +220,7 @@ Make sure, that you push tags to remote repo via 'git push --tags'"
     # Fetch commit for specified event
     # @return [Hash]
     def fetch_commit(event)
-      @github.git_data.commits.get @options[:user], @options[:project], event[:commit_id]
+      @github.git_data.commits.get @options[:user], @options[:project], event['commit_id']
     end
   end
 end

spec/spec_helper.rb

@@ -19,6 +19,7 @@
 require "codeclimate-test-reporter"
 require "simplecov"
 require "coveralls"
+require "vcr"
 
 # This module is only used to check the environment is currently a testing env
 module SpecHelper
@@ -36,6 +37,15 @@ end
 require "github_changelog_generator"
 require "github_changelog_generator/task"
 
+
+VCR.configure do |c|
+  c.allow_http_connections_when_no_cassette = true
+  c.cassette_library_dir = 'spec/vcr'
+  c.ignore_localhost = true
+  c.default_cassette_options = { :record => :new_episodes }
+  c.hook_into :faraday
+end
+
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
@@ -55,4 +65,8 @@ RSpec.configure do |config|
   config.order = :random
 
   Kernel.srand config.seed
+
+  config.extend VCR::RSpec::Macros
+
 end
+

spec/unit/fetcher_spec.rb

@@ -2,59 +2,230 @@
 VALID_TOKEN = "0123456789abcdef"
 INVALID_TOKEN = "0000000000000000"
 
-DEFAULT_OPTIONS = { user: "skywinder",
-                    project: "changelog_test" }
-
-def options_with_invalid_token
-  options = DEFAULT_OPTIONS
-  options[:token] = INVALID_TOKEN
-  options
-end
-
 describe GitHubChangelogGenerator::Fetcher do
-  before(:all) do
+  let(:options) do
-    @fetcher = GitHubChangelogGenerator::Fetcher.new
+    {
+      :user    => "skywinder",
+      :project => "changelog_test",
+    }
   end
 
+  let(:fetcher) { GitHubChangelogGenerator::Fetcher.new(options) }
+
+
   describe "#fetch_github_token" do
     token = GitHubChangelogGenerator::Fetcher::CHANGELOG_GITHUB_TOKEN
     context "when token in ENV exist" do
       before { stub_const("ENV", ENV.to_hash.merge(token => VALID_TOKEN)) }
-      subject { @fetcher.fetch_github_token }
+      subject { fetcher.fetch_github_token }
       it { is_expected.to eq(VALID_TOKEN) }
     end
+
     context "when token in ENV is nil" do
       before { stub_const("ENV", ENV.to_hash.merge(token => nil)) }
-      subject { @fetcher.fetch_github_token }
+      subject { fetcher.fetch_github_token }
       it { is_expected.to be_nil }
     end
+
     context "when token in options and ENV is nil" do
+      let(:options) { { :token => VALID_TOKEN } }
+
       before do
         stub_const("ENV", ENV.to_hash.merge(token => nil))
-        @fetcher = GitHubChangelogGenerator::Fetcher.new(token: VALID_TOKEN)
       end
-      subject { @fetcher.fetch_github_token }
+
+      subject { fetcher.fetch_github_token }
       it { is_expected.to eq(VALID_TOKEN) }
     end
+
     context "when token in options and ENV specified" do
+      let(:options) { { :token => VALID_TOKEN } }
+
       before do
         stub_const("ENV", ENV.to_hash.merge(token => "no_matter_what"))
-        @fetcher = GitHubChangelogGenerator::Fetcher.new(token: VALID_TOKEN)
       end
-      subject { @fetcher.fetch_github_token }
+
+      subject { fetcher.fetch_github_token }
       it { is_expected.to eq(VALID_TOKEN) }
     end
   end
 
+  describe "#get_all_tags" do
+    context "when github_fetch_tags returns tags" do
+      it "returns tags" do
+        mock_tags = ['tag']
+        allow(fetcher).to receive(:github_fetch_tags).and_return(mock_tags)
+        expect(fetcher.get_all_tags).to eq(mock_tags)
+      end
+    end
+  end
+
   describe "#github_fetch_tags" do
     context "when wrong token provided" do
-      before do
+      use_vcr_cassette
-        options = options_with_invalid_token
+
-        @fetcher = GitHubChangelogGenerator::Fetcher.new(options)
+      let(:options) do
+        {
+          :user    => "skywinder",
+          :project => "changelog_test",
+          :token   => INVALID_TOKEN
+        }
       end
+
       it "should raise Unauthorized error" do
-        expect { @fetcher.github_fetch_tags }.to raise_error Github::Error::Unauthorized
+        expect { fetcher.github_fetch_tags }.to raise_error Github::Error::Unauthorized
+      end
+    end
+
+    context "when API call is valid" do
+      use_vcr_cassette
+
+      it "should return tags" do
+        expected_tags = [{"name"=>"v0.0.3", "zipball_url"=>"https://api.github.com/repos/skywinder/changelog_test/zipball/v0.0.3", "tarball_url"=>"https://api.github.com/repos/skywinder/changelog_test/tarball/v0.0.3", "commit"=>{"sha"=>"a0cba2b1a1ea9011ab07ee1ac140ba5a5eb8bd90", "url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/a0cba2b1a1ea9011ab07ee1ac140ba5a5eb8bd90"}}, {"name"=>"v0.0.2", "zipball_url"=>"https://api.github.com/repos/skywinder/changelog_test/zipball/v0.0.2", "tarball_url"=>"https://api.github.com/repos/skywinder/changelog_test/tarball/v0.0.2", "commit"=>{"sha"=>"9b35bb13dcd15b68e7bcbf10cde5eb937a54f710", "url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/9b35bb13dcd15b68e7bcbf10cde5eb937a54f710"}}, {"name"=>"v0.0.1", "zipball_url"=>"https://api.github.com/repos/skywinder/changelog_test/zipball/v0.0.1", "tarball_url"=>"https://api.github.com/repos/skywinder/changelog_test/tarball/v0.0.1", "commit"=>{"sha"=>"4c2d6d1ed58bdb24b870dcb5d9f2ceed0283d69d", "url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/4c2d6d1ed58bdb24b870dcb5d9f2ceed0283d69d"}}, {"name"=>"0.0.4", "zipball_url"=>"https://api.github.com/repos/skywinder/changelog_test/zipball/0.0.4", "tarball_url"=>"https://api.github.com/repos/skywinder/changelog_test/tarball/0.0.4", "commit"=>{"sha"=>"ece0c3ab7142b21064b885061c55ede00ef6ce94", "url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/ece0c3ab7142b21064b885061c55ede00ef6ce94"}}]
+
+        expect(fetcher.github_fetch_tags).to eq(expected_tags)
       end
     end
   end
+
+
+  describe "#fetch_closed_issues_and_pr" do
+    context "when API call is valid" do
+      use_vcr_cassette
+
+
+      it "returns issues" do
+        issues, pull_requests = fetcher.fetch_closed_issues_and_pr
+        expect(issues.size).to eq(7)
+        expect(pull_requests.size).to eq(14)
+      end
+
+      it "returns issue with proper key/values" do
+        issues, pull_requests = fetcher.fetch_closed_issues_and_pr
+        expected_issue = {"url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14", "repository_url"=>"https://api.github.com/repos/skywinder/changelog_test", "labels_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/labels{/name}", "comments_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/comments", "events_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/events", "html_url"=>"https://github.com/skywinder/changelog_test/issues/14", "id"=>95419412, "number"=>14, "title"=>"Issue closed from commit from PR", "user"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "labels"=>[], "state"=>"closed", "locked"=>false, "assignee"=>nil, "milestone"=>nil, "comments"=>0, "created_at"=>"2015-07-16T12:06:08Z", "updated_at"=>"2015-07-16T12:21:42Z", "closed_at"=>"2015-07-16T12:21:42Z", "body"=>""}
+        expect(issues.first).to eq(expected_issue)
+      end
+
+      it "returns pull request with proper key/values" do
+        issues, pull_requests = fetcher.fetch_closed_issues_and_pr
+        expected_pr = {"url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/21", "repository_url"=>"https://api.github.com/repos/skywinder/changelog_test", "labels_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/21/labels{/name}", "comments_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/21/comments", "events_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/21/events", "html_url"=>"https://github.com/skywinder/changelog_test/pull/21", "id"=>124925759, "number"=>21, "title"=>"Merged br (should appear in change log with  #20)", "user"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "labels"=>[], "state"=>"closed", "locked"=>false, "assignee"=>nil, "milestone"=>nil, "comments"=>0, "created_at"=>"2016-01-05T09:24:08Z", "updated_at"=>"2016-01-05T09:26:53Z", "closed_at"=>"2016-01-05T09:24:27Z", "pull_request"=>{"url"=>"https://api.github.com/repos/skywinder/changelog_test/pulls/21", "html_url"=>"https://github.com/skywinder/changelog_test/pull/21", "diff_url"=>"https://github.com/skywinder/changelog_test/pull/21.diff", "patch_url"=>"https://github.com/skywinder/changelog_test/pull/21.patch"}, "body"=>"to test https://github.com/skywinder/github-changelog-generator/pull/305\r\nshould appear in change log with #20"}
+        expect(pull_requests.first).to eq(expected_pr)
+      end
+
+
+      it "returns issues with labels" do
+        issues, pull_requests = fetcher.fetch_closed_issues_and_pr
+        expected = [[], [], ["Bug"], [], ["enhancement"], ["some label"], []]
+        expect(issues.map{|i| i.labels.map(&:name) }).to eq(expected)
+      end
+
+      it "returns pull_requests with labels" do
+        issues, pull_requests = fetcher.fetch_closed_issues_and_pr
+        expected = [[], [], [], [], [], ["enhancement"], [], [], ["invalid"], [], [], [], [], ["invalid"]]
+        expect(pull_requests.map{|i| i.labels.map(&:name) }).to eq(expected)
+      end
+    end
+  end
+
+  describe "#fetch_closed_pull_requests" do
+    context "when API call is valid" do
+      use_vcr_cassette
+
+      it "returns pull requests" do
+        pull_requests = fetcher.fetch_closed_pull_requests
+        expect(pull_requests.size).to eq(14)
+      end
+
+      it "returns correct pull request keys" do
+        pull_requests = fetcher.fetch_closed_pull_requests
+
+        pr = pull_requests.first
+        expect(pr.keys).to eq(["url", "id", "html_url", "diff_url", "patch_url", "issue_url", "number", "state", "locked", "title", "user", "body", "created_at", "updated_at", "closed_at", "merged_at", "merge_commit_sha", "assignee", "milestone", "commits_url", "review_comments_url", "review_comment_url", "comments_url", "statuses_url", "head", "base", "_links"])
+      end
+    end
+  end
+
+
+  describe "#fetch_events_async" do
+    context "when API call is valid" do
+      use_vcr_cassette
+
+      it "populates issues" do
+        issues = [{"url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14", "repository_url"=>"https://api.github.com/repos/skywinder/changelog_test", "labels_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/labels{/name}", "comments_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/comments", "events_url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/14/events", "html_url"=>"https://github.com/skywinder/changelog_test/issues/14", "id"=>95419412, "number"=>14, "title"=>"Issue closed from commit from PR", "user"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "labels"=>[], "state"=>"closed", "locked"=>false, "assignee"=>nil, "milestone"=>nil, "comments"=>0, "created_at"=>"2015-07-16T12:06:08Z", "updated_at"=>"2015-07-16T12:21:42Z", "closed_at"=>"2015-07-16T12:21:42Z", "body"=>""}]
+
+        # Check that they are blank to begin with
+        expect(issues.first[:events]).to be_nil
+
+        fetcher.fetch_events_async(issues)
+        issue_events = issues.first[:events]
+
+        expected_events = [{"id"=>357462189, "url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/events/357462189", "actor"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "event"=>"referenced", "commit_id"=>"decfe840d1a1b86e0c28700de5362d3365a29555", "commit_url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/decfe840d1a1b86e0c28700de5362d3365a29555", "created_at"=>"2015-07-16T12:21:16Z"}, {"id"=>357462542, "url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/events/357462542", "actor"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "event"=>"closed", "commit_id"=>"decfe840d1a1b86e0c28700de5362d3365a29555", "commit_url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/decfe840d1a1b86e0c28700de5362d3365a29555", "created_at"=>"2015-07-16T12:21:42Z"}]
+        expect(issue_events).to eq(expected_events)
+      end
+
+    end
+  end
+
+
+  describe "#fetch_date_of_tag" do
+    context "when API call is valid" do
+      use_vcr_cassette
+
+      it "returns date" do
+        tag = {"name"=>"v0.0.3", "zipball_url"=>"https://api.github.com/repos/skywinder/changelog_test/zipball/v0.0.3", "tarball_url"=>"https://api.github.com/repos/skywinder/changelog_test/tarball/v0.0.3", "commit"=>{"sha"=>"a0cba2b1a1ea9011ab07ee1ac140ba5a5eb8bd90", "url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/a0cba2b1a1ea9011ab07ee1ac140ba5a5eb8bd90"}}
+        dt = fetcher.fetch_date_of_tag(tag)
+        expect(dt).to eq(Time.parse("2015-03-04 19:01:48 UTC"))
+      end
+
+    end
+  end
+
+
+  describe "#fetch_commit" do
+    context "when API call is valid" do
+      use_vcr_cassette
+
+      it "returns commit" do
+        event = {"id"=>357462189, "url"=>"https://api.github.com/repos/skywinder/changelog_test/issues/events/357462189", "actor"=>{"login"=>"skywinder", "id"=>3356474, "avatar_url"=>"https://avatars.githubusercontent.com/u/3356474?v=3", "gravatar_id"=>"", "url"=>"https://api.github.com/users/skywinder", "html_url"=>"https://github.com/skywinder", "followers_url"=>"https://api.github.com/users/skywinder/followers", "following_url"=>"https://api.github.com/users/skywinder/following{/other_user}", "gists_url"=>"https://api.github.com/users/skywinder/gists{/gist_id}", "starred_url"=>"https://api.github.com/users/skywinder/starred{/owner}{/repo}", "subscriptions_url"=>"https://api.github.com/users/skywinder/subscriptions", "organizations_url"=>"https://api.github.com/users/skywinder/orgs", "repos_url"=>"https://api.github.com/users/skywinder/repos", "events_url"=>"https://api.github.com/users/skywinder/events{/privacy}", "received_events_url"=>"https://api.github.com/users/skywinder/received_events", "type"=>"User", "site_admin"=>false}, "event"=>"referenced", "commit_id"=>"decfe840d1a1b86e0c28700de5362d3365a29555", "commit_url"=>"https://api.github.com/repos/skywinder/changelog_test/commits/decfe840d1a1b86e0c28700de5362d3365a29555", "created_at"=>"2015-07-16T12:21:16Z"}
+        commit = fetcher.fetch_commit(event)
+
+        expectations = [
+          ["sha", "decfe840d1a1b86e0c28700de5362d3365a29555"],
+          ["url",
+           "https://api.github.com/repos/skywinder/changelog_test/git/commits/decfe840d1a1b86e0c28700de5362d3365a29555"],
+          ["html_url",
+           "https://github.com/skywinder/changelog_test/commit/decfe840d1a1b86e0c28700de5362d3365a29555"],
+          ["author",
+           {"name"=>"Petr Korolev",
+            "email"=>"sky4winder@gmail.com",
+            "date"=>"2015-07-16T12:11:01Z"}],
+          ["committer",
+           {"name"=>"Petr Korolev",
+            "email"=>"sky4winder@gmail.com",
+            "date"=>"2015-07-16T12:11:01Z"}],
+          ["tree",
+           {"sha"=>"0699c15258a7c2b2e157051fe19851d4f705cac8",
+            "url"=>
+              "https://api.github.com/repos/skywinder/changelog_test/git/trees/0699c15258a7c2b2e157051fe19851d4f705cac8"}],
+          ["message", "fix #14"],
+          ["parents",
+           [{"sha"=>"7ec095e5e3caceacedabf44d0b9b10da17c92e51",
+             "url"=>
+               "https://api.github.com/repos/skywinder/changelog_test/git/commits/7ec095e5e3caceacedabf44d0b9b10da17c92e51",
+             "html_url"=>
+               "https://github.com/skywinder/changelog_test/commit/7ec095e5e3caceacedabf44d0b9b10da17c92e51"}]
+          ]
+        ]
+
+        expectations.each do |property, val|
+          expect(commit.send(property)).to eq(val)
+        end
+
+      end
+
+    end
+  end
+
+
+
 end

spec/vcr/GitHubChangelogGenerator_Fetcher/_fetch_commit/when_API_call_is_valid.yml

@@ -0,0 +1,76 @@
+---
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spec/vcr/GitHubChangelogGenerator_Fetcher/_fetch_date_of_tag/when_API_call_is_valid.yml

@@ -0,0 +1,76 @@
+---
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+  recorded_at: Thu, 19 May 2016 18:25:23 GMT
+recorded_with: VCR 3.0.1

spec/vcr/GitHubChangelogGenerator_Fetcher/_fetch_events_async/when_API_call_is_valid.yml

@@ -0,0 +1,71 @@
+---
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spec/vcr/GitHubChangelogGenerator_Fetcher/_github_fetch_tags/when_API_call_is_valid.yml

@@ -0,0 +1,73 @@
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spec/vcr/GitHubChangelogGenerator_Fetcher/_github_fetch_tags/when_wrong_token_provided.yml

@@ -0,0 +1,65 @@
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