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-rw-r--r--activerecord/test/cases/explain_test.rb47
1 files changed, 29 insertions, 18 deletions
diff --git a/activerecord/test/cases/explain_test.rb b/activerecord/test/cases/explain_test.rb
index f1d5511bb8..64dfd86ce2 100644
--- a/activerecord/test/cases/explain_test.rb
+++ b/activerecord/test/cases/explain_test.rb
@@ -39,38 +39,49 @@ if ActiveRecord::Base.connection.supports_explain?
binds = [[], []]
queries = sqls.zip(binds)
- connection.stubs(:explain).returns('query plan foo', 'query plan bar')
- expected = sqls.map {|sql| "EXPLAIN for: #{sql}\nquery plan #{sql}"}.join("\n")
- assert_equal expected, base.exec_explain(queries)
+ stub_explain_for_query_plans do
+ expected = sqls.map {|sql| "EXPLAIN for: #{sql}\nquery plan #{sql}"}.join("\n")
+ assert_equal expected, base.exec_explain(queries)
+ end
end
def test_exec_explain_with_binds
- cols = [Object.new, Object.new]
- cols[0].expects(:name).returns('wadus')
- cols[1].expects(:name).returns('chaflan')
+ object = Struct.new(:name)
+ cols = [object.new('wadus'), object.new('chaflan')]
sqls = %w(foo bar)
binds = [[[cols[0], 1]], [[cols[1], 2]]]
queries = sqls.zip(binds)
- connection.stubs(:explain).returns("query plan foo\n", "query plan bar\n")
- expected = <<-SQL.strip_heredoc
- EXPLAIN for: #{sqls[0]} [["wadus", 1]]
- query plan foo
+ stub_explain_for_query_plans(["query plan foo\n", "query plan bar\n"]) do
+ expected = <<-SQL.strip_heredoc
+ EXPLAIN for: #{sqls[0]} [["wadus", 1]]
+ query plan foo
- EXPLAIN for: #{sqls[1]} [["chaflan", 2]]
- query plan bar
- SQL
- assert_equal expected, base.exec_explain(queries)
+ EXPLAIN for: #{sqls[1]} [["chaflan", 2]]
+ query plan bar
+ SQL
+ assert_equal expected, base.exec_explain(queries)
+ end
end
def test_unsupported_connection_adapter
- connection.stubs(:supports_explain?).returns(false)
+ connection.stub(:supports_explain?, false) do
+ assert_not_called(base.logger, :warn) do
+ Car.where(:name => 'honda').to_a
+ end
+ end
+ end
- base.logger.expects(:warn).never
+ private
- Car.where(:name => 'honda').to_a
- end
+ def stub_explain_for_query_plans(query_plans = ['query plan foo', 'query plan bar'])
+ explain_called = 0
+
+ connection.stub(:explain, proc{ explain_called += 1; query_plans[explain_called - 1] }) do
+ yield
+ end
+ end
end
end