fix tests on windows: change path comparison so that c:\tmp can be seen as equal to c:/tmp

Author: lionelperrin

test/helper.rb

@@ -11,6 +11,11 @@ class TestCase < Minitest::Test
     alias :assert_not_nil   :refute_nil
     alias :assert_raise     :assert_raises
 
+
+    def assert_path_equal(p1, p2)
+      assert_equal( Pathname.new(p1).realpath, Pathname.new(p2).realpath )
+    end
+
     def assert_nothing_raised
       yield
     end

test/test_database.rb

@@ -19,7 +19,7 @@ def test_db_filename
       assert_equal '', @db.filename('main')
       tf = Tempfile.new 'thing'
       @db = SQLite3::Database.new tf.path
-      assert_equal tf.path, @db.filename('main')
+      assert_path_equal tf.path, @db.filename('main')
     ensure
       tf.unlink if tf
     end
@@ -29,7 +29,7 @@ def test_filename
       assert_equal '', @db.filename
       tf = Tempfile.new 'thing'
       @db = SQLite3::Database.new tf.path
-      assert_equal tf.path, @db.filename
+      assert_path_equal tf.path, @db.filename
     ensure
       tf.unlink if tf
     end
@@ -39,7 +39,7 @@ def test_filename_with_attachment
       assert_equal '', @db.filename
       tf = Tempfile.new 'thing'
       @db.execute "ATTACH DATABASE '#{tf.path}' AS 'testing'"
-      assert_equal tf.path, @db.filename('testing')
+      assert_path_equal tf.path, @db.filename('testing')
     ensure
       tf.unlink if tf
     end