Merge pull request #353 from Temikus/add_unit_tests

Adding unit tests

tasks/test.rake

@@ -1,7 +1,7 @@
 require "rake/testtask"
 
 Rake::TestTask.new do |t|
-  t.description = "Run all integration tests"
+  t.description = "Run integration and unit tests"
   t.libs << "test"
   t.pattern = File.join("test", "**", "test_*.rb")
   t.warning = false
@@ -10,7 +10,7 @@ end
 namespace :test do
   mock = ENV["FOG_MOCK"] || "true"
   task :travis do
-    sh("export FOG_MOCK=#{mock} && bundle exec shindont")
+    sh("bundle exec rake test:unit")
   end
 
   desc "Run all integration tests in parallel"
@@ -19,6 +19,16 @@ namespace :test do
                           "test:pubsub",
                           "test:sql",
                           "test:storage"]
+
+  Rake::TestTask.new do |t|
+    t.name = "unit"
+    t.description = "Run Unit tests"
+    t.libs << "test"
+    t.pattern = FileList['test/unit/**/test_*.rb']
+    t.warning = false
+    t.verbose = true
+  end
+
   Rake::TestTask.new do |t|
     t.name = "compute"
     t.description = "Run Compute API tests"

test/unit/compute/test_common_collections.rb

@@ -0,0 +1,31 @@
+require "helpers/test_helper"
+
+class UnitTestCollections < MiniTest::Test
+  def setup
+    Fog.mock!
+    @client = Fog::Compute.new(:provider => "Google", :google_project => "foo")
+
+    # Top-level ancestors we do not dest
+    common_ancestors = [Fog::Collection, Fog::Association, Fog::PagedCollection]
+    # Projects do not have a "list" method in compute API
+    exceptions = [Fog::Compute::Google::Projects]
+    # Enumerate all descendants of Fog::Collection
+    descendants = ObjectSpace.each_object(Fog::Collection.singleton_class).to_a
+
+    @collections = descendants - common_ancestors - exceptions
+  end
+
+  def teardown
+    Fog.unmock!
+  end
+
+  def test_common_methods
+    # This tests whether Fog::Compute::Google collections have common lifecycle methods
+    @collections.each do |klass|
+      obj = klass.new
+      assert obj.respond_to?(:all), "#{klass} should have an .all method"
+      assert obj.respond_to?(:get), "#{klass} should have a .get method"
+      assert obj.respond_to?(:each), "#{klass} should behave like Enumerable"
+    end
+  end
+end

test/unit/compute/test_common_models.rb

@@ -0,0 +1,36 @@
+require "helpers/test_helper"
+
+class UnitTestModels < MiniTest::Test
+  def setup
+    Fog.mock!
+    @client = Fog::Compute.new(:provider => "Google", :google_project => "foo")
+
+    # Top-level ancestors we do not test
+    common_ancestors = [Fog::Model, Fog::Compute::Server]
+    # Do not test models that do not have a create method in API
+    exceptions = [ Fog::Compute::Google::MachineType,
+                   Fog::Compute::Google::Region,
+                   Fog::Compute::Google::DiskType,
+                   Fog::Compute::Google::Operation,
+                   Fog::Compute::Google::Zone,
+                   Fog::Compute::Google::Snapshot,
+                   Fog::Compute::Google::Project ]
+    # Enumerate all descendants of Fog::Model
+    descendants = ObjectSpace.each_object(Fog::Model.singleton_class).to_a
+
+    @models = descendants - common_ancestors - exceptions
+  end
+
+  def teardown
+    Fog.unmock!
+  end
+
+  def test_common_methods
+    # This tests whether Fog::Compute::Google models have common lifecycle methods
+    @models.each do |klass|
+      obj = klass.new
+      assert obj.respond_to?(:save), "#{klass} should have a .save method"
+      assert obj.respond_to?(:destroy), "#{klass} should have a .destroy method"
+    end
+  end
+end