Add a simple test for Book

diff --git a/test/book_test.rb b/test/book_test.rb
new file mode 100644 (file)
index 0000000..64a2892
--- /dev/null
+++ b/test/book_test.rb
@@ -0,0 +1,17 @@
+
+require 'rspec/autorun'
+require_relative '../book'
+
+describe Book do
+  it "can handle .epub and .pdf files" do
+    ['epub', 'pdf'].each do |extension|
+      expect(Book.can_handle?("sample.#{extension}")).to be true
+    end
+  end
+
+  it "cannot handle .mobi, .html, .txt, .doc, .zip, .rtf or .rar files" do
+    %w(doc html mobi rar rtf txt zip).each do |extension|
+      expect(Book.can_handle?("sample.#{extension}")).to be false
+    end
+  end
+end