Added a test to make sure that there are no inherent links between a …

…query model object and it's generated MDX object trees.

git-svn-id: https://olap4j.svn.sourceforge.net/svnroot/olap4j/trunk@259 c6a108a4-781c-0410-a6c6-c2d559e19af0

testsrc/org/olap4j/OlapTest.java

@@ -12,6 +12,7 @@
 import org.olap4j.metadata.*;
 import org.olap4j.query.*;
 import org.olap4j.query.QueryDimension.SortOrder;
+import org.olap4j.query.Selection.Operator;
 import org.olap4j.test.TestContext;
 
 import java.sql.Connection;
@@ -609,6 +610,77 @@ public void testDimensionsOrder() {
  }
  }
 
+ /**
+ * This test makes sure that the generated MDX model is not affected
+ * by subsequent operations performed on the source query model.
+ */
+ public void testQueryVersusParseTreeIndependence() {
+ try {
+ Cube cube = getFoodmartCube("Sales");
+ if (cube == null) {
+ fail("Could not find Sales cube");
+ }
+
+ // Setup a base query.
+ Query query = new Query("my query", cube);
+
+ QueryDimension productDimension = query.getDimension("Product");
+ productDimension.select(
+ Selection.Operator.INCLUDE_CHILDREN, "Product", "Drink");
+
+ QueryDimension measuresDimension = query.getDimension("Measures");
+ measuresDimension.select("Measures", "Store Sales");
+
+ query.getAxis(Axis.ROWS).addDimension(productDimension);
+ query.getAxis(Axis.COLUMNS).addDimension(measuresDimension);
+
+ query.validate();
+
+ assertEquals(
+ Axis.ROWS,
+ productDimension.getAxis().getLocation());
+ assertEquals(
+ Axis.COLUMNS,
+ measuresDimension.getAxis().getLocation());
+
+ // These variables are important. We will evaluate those
+ // to decide if there are links between the MDX and the Query
+ SelectNode originalMdx = query.getSelect();
+ String originalMdxString = originalMdx.toString();
+
+ TestContext.assertEqualsVerbose(
+ "SELECT\n"
+ + "{[Measures].[Store Sales]} ON COLUMNS,\n"
+ + "{{[Product].[All Products].[Drink], [Product].[All Products].[Drink].Children}} ON ROWS\n"
+ + "FROM [Sales]",
+ originalMdxString);
+
+ // change selections
+ measuresDimension.select(
+ Selection.Operator.SIBLINGS, "Measures", "Customer Count");
+ productDimension.select(
+ Selection.Operator.SIBLINGS,
+ "Product", "All Products", "Drink", "Alcoholic Beverages");
+
+ // Add something to crossjoin with
+ query.getAxis(Axis.COLUMNS).addDimension(
+ query.getDimension("Gender"));
+ query.getDimension("Gender").select(Operator.CHILDREN, "Gender",
+ "All Gender");
+
+ query.getAxis(Axis.UNUSED).addDimension(
+ query.getDimension("Product"));
+
+ query.validate();
+
+ // Check if the MDX object tree is still the same
+ assertEquals(originalMdxString, originalMdx.toString());
+ } catch (Exception e) {
+ e.printStackTrace();
+ fail();
+ }
+ }
+
  public static void listHierarchies(Dimension dimension) {
  // Get a list of hierarchy objects and dump their names
  for (Hierarchy hierarchy : dimension.getHierarchies()) {