Comments on migrations files

library/src/main/java/com/orm/SchemaGenerator.java

@@ -10,6 +10,7 @@
 import com.orm.dsl.MultiUnique;
 import com.orm.dsl.NotNull;
 import com.orm.dsl.Unique;
+import com.orm.util.MigrationFileParser;
 import com.orm.util.NamingHelper;
 import com.orm.util.NumberComparator;
 import com.orm.util.QueryBuilder;
@@ -98,11 +99,17 @@ private void executeScript(SQLiteDatabase db, String file) {
         try {
             InputStream is = this.context.getAssets().open("sugar_upgrades/" + file);
             BufferedReader reader = new BufferedReader(new InputStreamReader(is));
+            StringBuilder sb = new StringBuilder();
             String line;
             while ((line = reader.readLine()) != null) {
-                Log.i("Sugar script", line);
-                db.execSQL(line);
+                sb.append(line);
             }
+            MigrationFileParser migrationFileParser = new MigrationFileParser(sb.toString());
+            for(String statement: migrationFileParser.getStatements()){
+                Log.i("Sugar script", statement);
+                db.execSQL(statement);
+            }
+
         } catch (IOException e) {
             Log.e(SUGAR, e.getMessage());
         }

library/src/main/java/com/orm/SugarContext.java

@@ -10,11 +10,9 @@ public class SugarContext {
 
     private static SugarContext instance = null;
     private SugarDb sugarDb;
-    private Context context;
     private Map<Object, Long> entitiesMap;
 
     private SugarContext(Context context) {
-        this.context = context;
         this.sugarDb = new SugarDb(context);
         this.entitiesMap = Collections.synchronizedMap(new WeakHashMap<Object, Long>());
     }

library/src/main/java/com/orm/util/MigrationFileParser.java

@@ -0,0 +1,21 @@
+package com.orm.util;
+
+/**
+ * Created by Nursultan Turdaliev on 12/4/15.
+ */
+public class MigrationFileParser {
+
+    private String content;
+
+    /**
+     * @param content
+     */
+    public MigrationFileParser(String content){
+        this.content = content.replaceAll("(\\/\\*([\\s\\S]*?)\\*\\/)|(--(.)*)|(\n)","");
+    }
+
+    public String[] getStatements(){
+        return this.content.split(";");
+    }
+
+}

library/src/test/java/com/orm/util/MigrationFileParserTest.java

@@ -0,0 +1,48 @@
+package com.orm.util;
+
+import com.orm.util.MigrationFileParser;
+
+import org.junit.Test;
+import org.junit.Before;
+
+import java.lang.String;
+
+import static junit.framework.Assert.assertEquals;
+
+public class MigrationFileParserTest{
+    MigrationFileParser emptyFile;
+
+    @Test
+    public void testSingleLineStatement()
+    {
+        MigrationFileParser singleLineComment = new MigrationFileParser("insert into table--comment");
+
+        String statements[] = singleLineComment.getStatements();
+        assertEquals("Testing single line statement size",1,statements.length);
+        assertEquals("Testing single line statement content","insert into table",statements[0]);
+
+        singleLineComment = new MigrationFileParser("insert into table--comment\n");
+
+        singleLineComment.getStatements();
+        assertEquals("Testing single line statement size",1,statements.length);
+        assertEquals("Testing single line statement content","insert into table",statements[0]);
+    }
+    @Test
+    public void testMultiLineComment(){
+        MigrationFileParser multiLineComment = new MigrationFileParser("insert into table /**comment \n new line 2 \n new line 3 */hello");
+
+        String statements[] = multiLineComment.getStatements();
+        assertEquals("Testing multiline statement size",1,statements.length);
+        assertEquals("Testing multiline comment","insert into table hello",statements[0]);
+    }
+
+    @Test
+    public void testMixedComment(){
+        MigrationFileParser mixedComment = new MigrationFileParser("insert into/*multiline\n **comment*/--comment");
+
+        String statements[] = mixedComment.getStatements();
+
+        assertEquals("Testing mixed comment statement size",1,statements.length);
+        assertEquals("Testing mixed comment statments", "insert into", statements[0]);
+    }
+}