added yaml_db plugin

[selectricity-live] / vendor / plugins / yaml_db / spec / yaml_load_spec.rb

diff --git a/vendor/plugins/yaml_db/spec/yaml_load_spec.rb b/vendor/plugins/yaml_db/spec/yaml_load_spec.rb
new file mode 100644 (file)
index 0000000..b567bab
--- /dev/null
+++ b/vendor/plugins/yaml_db/spec/yaml_load_spec.rb
@@ -0,0 +1,88 @@
+require File.dirname(__FILE__) + '/base'
+
+describe YamlDb::Load do
+       before do
+               YamlDb::Utils.stub!(:quote_table).with('mytable').and_return('mytable')
+
+               ActiveRecord::Base = mock('ActiveRecord::Base', :null_object => true)
+               ActiveRecord::Base.connection = mock('connection')
+               ActiveRecord::Base.connection.stub!(:transaction).and_yield
+       end
+
+       before(:each) do
+               @io = StringIO.new
+       end
+
+       it "should truncate the table" do
+               ActiveRecord::Base.connection.stub!(:execute).with("TRUNCATE mytable").and_return(true)
+               ActiveRecord::Base.connection.should_not_receive(:execute).with("DELETE FROM mytable")
+               YamlDb::Load.truncate_table('mytable')
+       end
+
+       it "should delete the table if truncate throws an exception" do
+               ActiveRecord::Base.connection.should_receive(:execute).with("TRUNCATE mytable").and_raise()
+               ActiveRecord::Base.connection.should_receive(:execute).with("DELETE FROM mytable").and_return(true)
+               YamlDb::Load.truncate_table('mytable')
+       end
+
+       it "should insert records into a table" do
+               ActiveRecord::Base.connection.stub!(:quote_column_name).with('a').and_return('a')
+               ActiveRecord::Base.connection.stub!(:quote_column_name).with('b').and_return('b')
+               ActiveRecord::Base.connection.stub!(:quote).with(1).and_return("'1'")
+               ActiveRecord::Base.connection.stub!(:quote).with(2).and_return("'2'")
+               ActiveRecord::Base.connection.stub!(:quote).with(3).and_return("'3'")
+               ActiveRecord::Base.connection.stub!(:quote).with(4).and_return("'4'")
+               ActiveRecord::Base.connection.should_receive(:execute).with("INSERT INTO mytable (a,b) VALUES ('1','2')")
+               ActiveRecord::Base.connection.should_receive(:execute).with("INSERT INTO mytable (a,b) VALUES ('3','4')")
+
+               YamlDb::Load.load_records('mytable', ['a', 'b'], [[1, 2], [3, 4]])
+       end
+
+       it "should quote column names that correspond to sql keywords" do
+               ActiveRecord::Base.connection.stub!(:quote_column_name).with('a').and_return('a')
+               ActiveRecord::Base.connection.stub!(:quote_column_name).with('count').and_return('"count"')
+               ActiveRecord::Base.connection.stub!(:quote).with(1).and_return("'1'")
+               ActiveRecord::Base.connection.stub!(:quote).with(2).and_return("'2'")
+               ActiveRecord::Base.connection.stub!(:quote).with(3).and_return("'3'")
+               ActiveRecord::Base.connection.stub!(:quote).with(4).and_return("'4'")
+               ActiveRecord::Base.connection.should_receive(:execute).with("INSERT INTO mytable (a,\"count\") VALUES ('1','2')")
+               ActiveRecord::Base.connection.should_receive(:execute).with("INSERT INTO mytable (a,\"count\") VALUES ('3','4')")
+
+               YamlDb::Load.load_records('mytable', ['a', 'count'], [[1, 2], [3, 4]])
+       end
+
+       it "should truncate the table and then load the records into the table" do
+               YamlDb::Load.should_receive(:truncate_table).with('mytable')
+               YamlDb::Load.should_receive(:load_records).with('mytable', ['a', 'b'], [[1, 2], [3, 4]])
+               YamlDb::Load.should_receive(:reset_pk_sequence!).with('mytable')
+
+               YamlDb::Load.load_table('mytable', { 'columns' => [ 'a', 'b' ], 'records' => [[1, 2], [3, 4]] })
+       end
+
+       it "should call load structure for each document in the file" do
+               YAML.should_receive(:load_documents).with(@io).and_yield({ 'mytable' => { 
+                                       'columns' => [ 'a', 'b' ], 
+                                       'records' => [[1, 2], [3, 4]] 
+                               } })
+               YamlDb::Load.should_receive(:load_table).with('mytable', { 'columns' => [ 'a', 'b' ], 'records' => [[1, 2], [3, 4]] })
+               YamlDb::Load.load(@io)
+       end
+
+       it "should not call load structure when the document in the file contains no records" do
+               YAML.should_receive(:load_documents).with(@io).and_yield({ 'mytable' => nil })
+               YamlDb::Load.should_not_receive(:load_table)
+               YamlDb::Load.load(@io)
+       end
+
+       it "should call reset pk sequence if the connection adapter is postgres" do
+               ActiveRecord::Base.connection.should_receive(:respond_to?).with(:reset_pk_sequence!).and_return(true)
+               ActiveRecord::Base.connection.should_receive(:reset_pk_sequence!).with('mytable')
+               YamlDb::Load.reset_pk_sequence!('mytable')
+       end
+
+       it "should not call reset pk sequence for other adapters" do
+               ActiveRecord::Base.connection.should_receive(:respond_to?).with(:reset_pk_sequence!).and_return(false)
+               ActiveRecord::Base.connection.should_not_receive(:reset_pk_sequence!)
+               YamlDb::Load.reset_pk_sequence!('mytable')
+       end
+end