Document presenters

Signed-off-by: Rémy Coutable <remy@rymai.me>

2 files changed, 58 insertions, 0 deletions

diff --git a/spec/presenters/build_presenter_spec.rb b/spec/presenters/build_presenter_spec.rb
new file mode 100644
index 00000000000..fa7b0567622
--- /dev/null
+++ b/spec/presenters/build_presenter_spec.rb
@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe BuildPresenter do
+  let(:build) { create(:ci_build) }
+  subject do
+    described_class.new(build).with_subject(build)
+  end
+
+  describe '#initialize' do
+    it 'takes a build and optional params' do
+      expect { subject }.
+        not_to raise_error
+    end
+
+    it 'exposes build' do
+      expect(subject.build).to eq(build)
+    end
+
+    it 'forwards missing methods to build' do
+      expect(subject.ref).to eq('master')
+    end
+  end
+
+  describe '#erased_by_user?' do
+    it 'takes a build and optional params' do
+      expect(subject).not_to be_erased_by_user
+    end
+  end
+
+  describe 'quack like a Ci::Build' do
+    it 'takes a build and optional params' do
+      expect(described_class.ancestors).to include(Ci::Build)
+    end
+  end
+end
diff --git a/spec/presenters/variable_presenter_spec.rb b/spec/presenters/variable_presenter_spec.rb
new file mode 100644
index 00000000000..f09a0c922ae
--- /dev/null
+++ b/spec/presenters/variable_presenter_spec.rb
@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+describe VariablePresenter do
+  let(:variable) { double(:variable, foo: 'bar') }
+  subject do
+    described_class.new.with_subject(variable)
+  end
+
+  describe '#initialize' do
+    it 'takes a variable and optional params' do
+      expect { subject }.
+        not_to raise_error
+    end
+
+    it 'exposes variable' do
+      expect(subject.variable).to eq(variable)
+    end
+
+    it 'does not forward missing methods to variable' do
+      expect { subject.foo }.to raise_error(NoMethodError)
+    end
+  end
+end