git init

spec/models/team_membership_spec.example

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+require 'spec_helper'
+
+describe TeamMembership do
+  describe 'membership validations' do
+    let(:team) { create(:team) }
+    let(:user) { create(:user) }
+
+    describe 'should require user and team' do
+      it { should have(1).error_on(:user) }
+      it { should have(1).error_on(:team) }
+    end
+
+    it 'should only allow a user to be a member once' do
+      TeamMembership.create(:user => user, :team => team)
+      second = TeamMembership.create(:user => user, :team => team)
+      second.should be_invalid
+    end
+
+    it 'should not allow a captain to become a member' do
+      membership = TeamMembership.create(:user => team.captain, :team => team)
+      membership.should be_invalid
+    end
+  end
+end

spec/models/team_spec.example

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+require 'spec_helper'
+
+describe Team do
+  it 'should have a size of 16 by default' do
+    subject.max_members.should == 16
+  end
+
+  describe 'validations' do
+    it { should have(2).error_on(:name) }
+
+    context 'name' do
+      it 'should require atleast 3 characters' do
+        subject.name = 'hi'
+        subject.should have(1).error_on(:name)
+      end
+      it 'should not allow blank' do
+        subject.name = ''
+        subject.should have(2).error_on(:name)
+      end
+      it 'should not allow duplicated' do
+        team = FactoryGirl.create(:team)
+        subject.name = team.name
+        subject.should have(1).error_on(:name)
+      end
+    end
+
+    context 'max_members' do
+      it 'should not let it be 0' do
+        subject.max_members = 0
+        subject.should have(1).error_on(:max_members)
+      end
+
+      it 'should not let it be left empty' do
+        subject.max_members = ''
+        subject.should have(2).error_on(:max_members)
+      end
+    end
+
+    context 'captain' do
+      it 'should require a captain' do
+        subject.should have(1).error_on(:captain)
+      end
+    end
+  end
+end

spec/models/user_spec.rb

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+require 'spec_helper'
+
+describe User do
+  describe 'validations' do
+    it { should have(1).error_on(:first_name) }
+    it { should have(1).error_on(:last_name) }
+  end
+
+# describe 'is a member of team' do
+#   let(:user) { create(:user) }
+#   let(:team) { create(:team) } 
+#   subject { user.is_a_member_of?(team) }
+
+#   context 'it not a member of the team' do
+#     it { should be_false }
+#   end
+
+#   context 'is a member of the team already' do
+#     before { user.teams << team }
+#     it { should be_true }
+#   end
+
+#   context 'is the captain of the team' do
+#     let(:team) { create(:team, :captain => user) }
+#     it { should be_true }
+#   end
+# end
+
+end