Espaces curly brackets in sql script (with json).

Closes #68

arquillian-ape-sql/container/core/src/main/java/org/arquillian/ape/rdbms/script/SpecialCharactersReplacer.java

@@ -20,10 +20,17 @@
 public class SpecialCharactersReplacer {
 
     public String escape(String source) {
-        return source.replaceAll("(?m)&(.[a-zA-Z0-9]*);", "ape_special[$1]");
+        String result = source.replaceAll("(?m)&(.[a-zA-Z0-9]*);", "ape_special[$1]");
+        result = result.replace("\\{", "ape_especial_curly_brackets_begin");
+        result = result.replace("\\}", "ape_especial_curly_brackets_end");
+        return result;
     }
 
     public String unescape(String source) {
-        return source.replaceAll("(?m)ape_special\\[(.[a-zA-Z0-9]*)]", "&$1;");
+        String result = source.replaceAll("(?m)ape_special\\[(.[a-zA-Z0-9]*)]", "&$1;");
+        result = result.replace("ape_especial_curly_brackets_begin", "{");
+        result = result.replace("ape_especial_curly_brackets_end", "}");
+
+        return result;
     }
 }

arquillian-ape-sql/container/core/src/test/java/org/arquillian/ape/rdbms/script/ScriptExecutorTest.java

@@ -315,4 +315,19 @@ public void should_insert_xml_tags_new_line_as_statement_delimiter() throws Exce
                 " values (2, 'John', 'Sharp', 'asdqwe', 'closing only</strong>')"
         );
     }
+
+    @Test
+    public void should_insert_json_tags() throws Exception {
+        // given
+        ArgumentCaptor<String> statementsCaptor = ArgumentCaptor.forClass(String.class);
+
+        // when
+        scriptExecutor.execute(FileLoader.loadAsString("scripts/insert-with-json.sql"));
+
+        // then
+        verify(connection, times(1)).createStatement();
+        verify(connection.createStatement(), times(1)).execute(statementsCaptor.capture());
+        assertThat(statementsCaptor.getAllValues()).containsSequence(
+            "INSERT INTO `com` (`comtxt`) VALUES ('{}');");
+    }
 }

core/src/test/resources/scripts/insert-with-json.sql

@@ -0,0 +1 @@
+INSERT INTO `com` (`comtxt`) VALUES ('\{\}');