* completed base unit test suite. tests should be refactored in the f…

…uture in order to send real queries instead of simple SQL statements

test/helper_database.rb

@@ -13,9 +13,13 @@
 #++
 
 
-# reset database
+# FIXME: move the following execution within the unit test setup method
+
+
+# reset database and prepare for tests
 database = File.dirname(__FILE__) + '/db/test.sqlite3'
 File.delete(database) if File.file? database
+FileUtils.mkpath(File.dirname(database)) unless File.directory? File.dirname(database)
 
 ActiveRecord::Base.establish_connection(
   :adapter  => 'sqlite3',

test/unit/test_multi_conditions.rb

@@ -19,7 +19,6 @@
 class MultiConditionsTest < Test::Unit::TestCase
 
   def setup
-
   end
 
   # =========================================================================
@@ -50,9 +49,66 @@ def test_initialize_with_block
       assert_kind_of(ActiveRecord::Base::MultiConditions, obj)
     end
   end
+
+
+  # =========================================================================
+  # Condition string
+  # =========================================================================
+  #
+  # TODO: Consider to move check from a simple string to a real SQL query.
+  #       Using a real query statement is more efficient and ensures 
+  #       finder methods works as expected.
+  # 
+  # TODO: add test for with_scope and named_scope(s). 
+  #
 
-  def instance(condition = nil)
-    Task::MultiConditions.new(condition)
+  def test_single_condition_string
+    [{:foo => 'bar'}, "foo = 'bar'", ["foo = ?", 'bar'], ["foo = :foo", {:foo => 'bar'}]].each do |condition|
+      mc = Task::MultiConditions.new(condition)
+      assert_match(/"?foo"? = 'bar'$/, mc.to_conditions)
+    end
   end
+
+  def test_single_condition_fixnum
+    [{:foo => 1}, "foo = 1", ["foo = ?", 1], ["foo = :foo", {:foo => 1}]].each do |condition|
+      mc = Task::MultiConditions.new(condition)
+      assert_match(/"?foo"? = 1$/, mc.to_conditions)
+    end
+  end
+
+  def test_multiple_conditions
+    first  = [{:foo => 'bar'}, "foo = 'bar'", ["foo = ?", 'bar'], ["foo = :foo", {:foo => 'bar'}]]
+    second = [{:baz => 3}, "baz = 3", ["baz = ?", 3], ["baz = :baz", {:baz => 3}]]
+    first.size.times do |index|
+      mc = Task::MultiConditions.new
+      mc.append_condition(first[index])
+      mc.append_condition(second[index])
+      assert_match(/"?foo"? = 'bar'/, mc.to_conditions)
+      assert_match(/"?baz"? = 3/, mc.to_conditions)
+    end
+  end
+
+  def test_mixed_conditions
+    first  = [{:foo => 'bar'}, "foo = 'bar'", ["foo = ?", 'bar'], ["foo = :foo", {:foo => 'bar'}]]
+    second = ["baz = 3", ["baz = ?", 3], ["baz = :baz", {:baz => 3}], {:baz => 3}]
+    first.size.times do |index|
+      mc = Task::MultiConditions.new
+      mc.append_condition(first[index])
+      mc.append_condition(second[index])
+      assert_match(/"?foo"? = 'bar'/, mc.to_conditions)
+      assert_match(/"?baz"? = 3/, mc.to_conditions)
+    end
+  end
+
+
+  protected
+
+    def instance(condition = nil)
+      Task::MultiConditions.new(condition)
+    end
+
+    def table_name
+      Task.table_name
+    end
 
 end