spec/scrapers/manning_books_spec.rb in scrapers-2.0.2 vs spec/scrapers/manning_books_spec.rb in scrapers-2.1.0

@@ -1,20 +1,113 @@
 # -*- ruby -*-
 require 'spec_helper'
 require 'scrapers/manning_books'
+require 'ostruct'
 
-module Scrapers
+RSpec.describe Scrapers::ManningBooks::Scraper do
+  describe "verify Class method signatures" do
+    it "responds to :new" do
+      expect(Scrapers::ManningBooks::Scraper).to respond_to(:new)
+    end
+  end
+  describe "verify instance method signatures" do
+    subject { Scrapers::ManningBooks::Scraper.new }
+    it { is_expected.to respond_to :scrape }
+    it { is_expected.to respond_to :login }
+    it { is_expected.to respond_to :wait_a_bit }
+    it { is_expected.to respond_to :download_books }
+  end
+  describe "#login" do
+    let(:scraper) { Scrapers::ManningBooks::Scraper.new } 
+    let(:agent) { double('agent') }
 
-  describe ManningBooks do
-    it{should respond_to :scrape}
-    context "scraping" do
-      before(:all) do
-        @comic = VCR.use_cassette('manning_books') do
-          @result = Scrapers::ManningBooks.scrape
-        end
+    before do
+      allow(Scrapers::NetrcReader).to receive(:new) do
+        OpenStruct.new(user: "[e-mail]", pw: "password")
       end
+    end
+
+    it "verify user" do
+      expect(scraper.user).to eq("[e-mail]")
+    end
+    it "verify pw" do
+      expect(scraper.pw).to eq("password")
+    end
+
+    context "when login is passed a block" do
+      it "logs in and yields the block" do
+        expect(agent).to receive(:get).and_return(agent)
+        expect(agent).to receive(:current_page).at_least(5).times.and_return(agent)
+        expect(agent).to receive(:uri)
+        expect(agent).to receive(:form).exactly(3).times.and_return(agent)
+        expect(agent).to receive(:field_with).exactly(2).times.and_return(agent)
+        expect(agent).to receive(:value=).exactly(2).times.and_return(agent)
+        expect(agent).to receive(:submit).and_return(agent)
+        expect(agent).to receive(:uri).and_return(Scrapers::ManningBooks::DASHBOARD_URL)
+        scraper.login(agent) { |m| @result = "in yield" }
+        expect(@result).to eq("in yield")
+      end
       
-      it {expect(@result).to_not be_nil}
-      
     end
+
+    context "when login is not passed a block" do
+      it "raises an exception" do
+        expect{ scraper.login(agent) }.to raise_error("Must provide a block to execute after logged in to site")
+      end
+    end
+
+  end
+
+  describe "#download_books" do
+    let(:scraper) {Scrapers::ManningBooks::Scraper.new}
+    let(:agent) {double('agent')}
+    let(:books) do
+      3.times.map do |i|
+        OpenStruct.new(href: "http://#{Scrapers::ManningBooks::DASHBOARD_URL}/#{i}")
+      end
+    end
+
+
+    before do
+      allow(Scrapers::NetrcReader).to receive(:new) do
+        OpenStruct.new(user: "[e-mail]", pw: "password")
+      end
+
+      allow(scraper).to receive(:wait_a_bit).at_least(:once)
+    end
+
+    it "downloads the books" do
+      save_stdout = $stdout
+      $stdout = double('output').as_null_object
+      expect(agent).to receive(:get).exactly(3).times
+      expect(agent).to receive(:current_page).exactly(3*4).times.and_return(agent)
+      expect(agent).to receive(:filename).exactly(3*2).times.and_return("FILENAME")
+      expect(agent).to receive(:save!).exactly(3).times
+      expect(agent).to receive(:uri).exactly(3).times
+      results = scraper.download_books(agent, books)
+      $stdout = save_stdout
+      expect(results.size).to eq(3)
+    end
+
+  end
+
+  # Saving the best for last
+  describe "#scrape" do
+    let(:scraper) {Scrapers::ManningBooks::Scraper.new}
+    let(:agent) {double('agent').as_null_object}
+    let(:netrc_reader) {double('netrc_reader').as_null_object}
+    let(:book_list) {[['book1','url1'],['book2','url2']]}
+
+    before do
+      allow(Scrapers::NetrcReader).to receive(:new).and_return(netrc_reader)
+      allow(scraper).to receive(:wait_a_bit).at_least(:once)
+      allow(scraper).to receive(:login).and_yield(agent)
+    end
+
+    it "scrapes the dashboard" do
+      expect(Mechanize).to receive(:start).and_yield(agent)
+      expect(scraper).to receive(:download_books).and_return(book_list)
+      scraper.scrape
+    end
+
   end
 end