add unit tests for Utils

Author: gkorland

src/test/java/com/redislabs/redisgraph/impl/UtilsTest.java

@@ -0,0 +1,40 @@
+package com.redislabs.redisgraph.impl;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.IllegalFormatConversionException;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class UtilsTest {
+ 
+  @Test
+  public void testPrepareProcedure() {   
+    
+    Assert.assertEquals("CALL prc()", Utils.prepareProcedure("prc", Arrays.asList(new String[]{}), new HashMap<>()));
+    
+    Assert.assertEquals("CALL prc(\"a\",\"b\")", Utils.prepareProcedure("prc", Arrays.asList(new String[]{"a", "b"}), new HashMap<>()));
+    
+    Map<String, List<String>> kwargs = new HashMap<>();
+    kwargs.put("y", Arrays.asList(new String[]{"ka", "kb"}));
+    Assert.assertEquals("CALL prc(\"a\",\"b\")ka,kb", Utils.prepareProcedure("prc", Arrays.asList(new String[]{"a", "b"}), kwargs));
+    
+    Assert.assertEquals("CALL prc()ka,kb", Utils.prepareProcedure("prc", Arrays.asList(new String[]{}), kwargs));
+  }
+  
+  @Test
+  public void prepareQuery() {   
+    Assert.assertEquals("query %s %d end of query", Utils.prepareQuery("query %s %d end of query"));
+    
+    Assert.assertEquals("query 'a' 33 end of query", Utils.prepareQuery("query %s %d end of query", "a", 33));
+    
+    try {
+      Assert.assertEquals("CALL prc(\"a\",\"b\")ka,kb", Utils.prepareQuery("query %s %d end of query", "a", "b"));
+      Assert.fail();
+    } catch (IllegalFormatConversionException e) {}
+  }
+
+}