metadata_spec.rb in engineyard-metadata-0.0.5

- old
+ new
@@ -1,93 +1,177 @@
 require 'spec_helper'
 
-describe EY do
-  it 'has a FakeFS dna.json' do
-    File.exist?('/etc/chef/dna.json').should == true
-  end
-end
-
-describe EY::Metadata do
-  it 'gets the present instance ID' do
-    EY::Metadata.present_instance_id.should == PRESENT_INSTANCE_ID
-  end
-  
-  it 'gets the present instance role (as a string)' do
-    EY::Metadata.present_instance_role.should == 'app_master'
-  end
-  
-  it 'gets the present public hostname' do
-    EY::Metadata.present_public_hostname.should == PRESENT_PUBLIC_HOSTNAME
-  end
-  
-  it 'gets the present security group' do
-    EY::Metadata.present_security_group.should == PRESENT_SECURITY_GROUP
-  end
-  
-  it 'gets the database password' do
-    EY::Metadata.database_password.should == 'USERS-0-PASSWORD'
-  end
-  
+shared_examples_for "all execution environments" do
   it 'gets the database username' do
-    EY::Metadata.database_username.should == 'USERS-0-USERNAME'
+    EY::Metadata.database_username.should == 'FAKE_SSH_USERNAME'
   end
 
   it 'gets the database name' do
-    EY::Metadata.database_name.should == 'APPS-0-DATABASE_NAME'
+    EY::Metadata.database_name.should == 'FAKE_APP_NAME'
   end
 
   it 'gets the database host' do
-    EY::Metadata.database_host.should == 'external_db_master.compute-1.amazonaws.com'
+    EY::Metadata.database_host.should == 'FAKE_DB_MASTER_PUBLIC_HOSTNAME'
   end
-  
+
   it 'gets the ssh username' do
-    EY::Metadata.ssh_username.should == 'SSH-USERNAME'
+    EY::Metadata.ssh_username.should == 'FAKE_SSH_USERNAME'
   end
   
-  it 'gets the ssh password' do
-    EY::Metadata.ssh_password.should == 'SSH-PASSWORD'
-  end
-  
   it 'gets the app server hostnames' do
     EY::Metadata.app_servers.should == [ 'app_1.compute-1.amazonaws.com' , 'app_master.compute-1.amazonaws.com' ]
   end
-  
+
   it 'gets the db server hostnames' do
-    EY::Metadata.db_servers.should == [ 'db_master.compute-1.amazonaws.com', 'db_slave_1.compute-1.amazonaws.com' ]
+    EY::Metadata.db_servers.should == [ 'FAKE_DB_MASTER_PUBLIC_HOSTNAME', 'db_slave_1.compute-1.amazonaws.com' ]
   end
-  
+
   it 'gets the utilities hostnames' do
-    EY::Metadata.utilities.should == [ 'util_1.compute-1.amazonaws.com' ]
+    EY::Metadata.utilities.should == [ 'FAKE_UTIL_1_PUBLIC_HOSTNAME' ]
   end
 
   it 'gets the app master hostname' do
     EY::Metadata.app_master.should == 'app_master.compute-1.amazonaws.com'
   end
-  
+
   it 'gets the db master hostname' do
-    EY::Metadata.db_master.should == 'db_master.compute-1.amazonaws.com'
+    EY::Metadata.db_master.should == 'FAKE_DB_MASTER_PUBLIC_HOSTNAME'
   end
-  
-  it 'gets the mysql command' do
-    EY::Metadata.mysql_command.should == '/usr/bin/mysql -h external_db_master.compute-1.amazonaws.com -u USERS-0-USERNAME -pUSERS-0-PASSWORD APPS-0-DATABASE_NAME'
-  end
-  
-  it 'gets the mysqldump command' do
-    EY::Metadata.mysqldump_command.should == '/usr/bin/mysqldump -h external_db_master.compute-1.amazonaws.com -u USERS-0-USERNAME -pUSERS-0-PASSWORD APPS-0-DATABASE_NAME'
-  end
-  
+
   it 'gets the db slave hostnames' do
     EY::Metadata.db_slaves.should == [ 'db_slave_1.compute-1.amazonaws.com' ]
   end
 
   it 'gets the app slave hostnames' do
     EY::Metadata.app_slaves.should == [ 'app_1.compute-1.amazonaws.com' ]
   end
-  
+
   it 'gets the solo hostname' do
     EY::Metadata.solo.should == nil
   end
-  
+
   it 'gets the environment name' do
-    EY::Metadata.environment_name.should == 'APP-NAME_production'
+    EY::Metadata.environment_name.should == 'FAKE_ENVIRONMENT_NAME'
+  end
+  
+  it 'gets the stack name' do
+    EY::Metadata.stack_name.should == 'FAKE_STACK_NAME'
+  end
+end
+
+describe 'EY::Metadata' do
+  describe "being executed from a developer/administrator's local machine" do
+    before(:all) do
+      pretend_we_are_on_a_developer_machine
+      # forcibly reload metadata.rb, so that it can extend itself based on its execution environment
+      load File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib', 'engineyard-metadata', 'metadata.rb'))
+    end
+
+    after(:all) do
+      stop_pretending
+    end
+    
+    it 'cannot get the present instance ID' do
+      lambda {
+        EY::Metadata.present_instance_id
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+
+    it 'cannot get the present instance role (as a string)' do
+      lambda {
+        EY::Metadata.present_instance_role
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+    
+    it 'cannot get the present public hostname' do
+      lambda {
+        EY::Metadata.present_public_hostname
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+    
+    it 'cannot get the present security group' do
+      lambda {
+        EY::Metadata.present_security_group
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+
+    it 'cannot get the database password' do
+      lambda {
+        EY::Metadata.database_password
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+
+    it 'cannot get the ssh password' do
+      lambda {
+        EY::Metadata.ssh_password
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+    
+    it 'cannot get the mysql command' do
+      lambda {
+        EY::Metadata.mysql_command
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+    
+    it 'cannot get the mysqldump command' do
+      lambda {
+        EY::Metadata.mysqldump_command
+      }.should raise_error(EY::Metadata::CannotGetFromHere)
+    end
+    
+    it 'gets the raw EngineYard Cloud API data' do
+      EY::Metadata.engine_yard_cloud_api.data.should be_a(Hash)
+    end
+
+    it_should_behave_like "all execution environments"
+  end
+  
+  describe "being executed on an EngineYard AppCloud (i.e. Amazon EC2) instance" do
+    before(:all) do
+      pretend_we_are_on_an_engineyard_appcloud_ec2_instance
+        # forcibly reload metadata.rb, so that it can extend itself based on its execution environment
+      load File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib', 'engineyard-metadata', 'metadata.rb'))
+    end
+    
+    after(:all) do
+      stop_pretending
+    end
+    
+    it_should_behave_like "all execution environments"
+    
+    it 'has a FakeFS dna.json' do
+      File.exist?('/etc/chef/dna.json').should == true
+    end
+    
+    it 'gets the present instance ID' do
+      EY::Metadata.present_instance_id.should == PRESENT_INSTANCE_ID
+    end
+
+    it 'gets the present instance role (as a string)' do
+      EY::Metadata.present_instance_role.should == 'app_master'
+    end
+
+    it 'gets the present public hostname' do
+      EY::Metadata.present_public_hostname.should == PRESENT_PUBLIC_HOSTNAME
+    end
+
+    it 'gets the present security group' do
+      EY::Metadata.present_security_group.should == PRESENT_SECURITY_GROUP
+    end
+    
+    it 'gets the database password' do
+      EY::Metadata.database_password.should == 'USERS-0-PASSWORD'
+    end
+    
+    it 'gets the ssh password' do
+      EY::Metadata.ssh_password.should == 'SSH-PASSWORD'
+    end
+    
+    it 'gets the mysql command' do
+      EY::Metadata.mysql_command.should =~ %r{mysql -h FAKE_DB_MASTER_PUBLIC_HOSTNAME -u FAKE_SSH_USERNAME -pUSERS-0-PASSWORD FAKE_APP_NAME}
+    end
+
+    it 'gets the mysqldump command' do
+      EY::Metadata.mysqldump_command.should =~ %r{mysqldump -h FAKE_DB_MASTER_PUBLIC_HOSTNAME -u FAKE_SSH_USERNAME -pUSERS-0-PASSWORD FAKE_APP_NAME}
+    end
   end
 end