Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/224#discussion_r11002606
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/ExpressionEvaluationSuite.scala
---
@@ -26,7 +26,186 @@ import org.apache.spark.sql.catalyst.types._
/* Implicit conversions */
import org.apache.spark.sql.catalyst.dsl.expressions._
-class ExpressionEvaluationSuite extends FunSuite {
+import org.apache.spark.sql.catalyst.types._
+import org.apache.spark.sql.catalyst.dsl._
+
+
+/**
+ * Root class of expression evaluation test
+ */
+trait ExprEvalTest {
+ type Execution = (Row => Row)
+
+ def engine: Execution
+}
+
+case class InterpretExprEvalTest(exprs: Seq[Expression]) extends
ExprEvalTest {
+ override def engine: Execution = new Projection(exprs)
+}
+
+class InterpretExpressionEvaluationSuite extends ExpressionEvaluationSuite
{
+ override def executor(exprs: Seq[Expression]) =
InterpretExprEvalTest(exprs)
+}
+
+trait ExpressionEvaluationSuite extends FunSuite {
+ /**
+ * The sub classes need to create the ExprEvalTest object
+ */
+ def executor(exprs: Seq[Expression]): ExprEvalTest
+
+ val data: Row = new GenericRow(Array(1, null, 1.0, true, 4, 5, null,
"abcccd", "a%"))
+
+ // TODO add to DSL
+ val c1 = BoundReference(0, AttributeReference("a", IntegerType)())
+ val c2 = BoundReference(1, AttributeReference("b", IntegerType)())
+ val c3 = BoundReference(2, AttributeReference("c", DoubleType)())
+ val c4 = BoundReference(3, AttributeReference("d", BooleanType)())
+ val c5 = BoundReference(4, AttributeReference("e", IntegerType)())
+ val c6 = BoundReference(5, AttributeReference("f", IntegerType)())
+ val c7 = BoundReference(6, AttributeReference("g", StringType)())
+ val c8 = BoundReference(7, AttributeReference("h", StringType)())
+ val c9 = BoundReference(8, AttributeReference("i", StringType)())
+
+ /**
+ * Compare each of the field if it equals the expected value.
+ *
+ * expected is a sequence of (Any, Any),
--- End diff --
Use `@param` to document what parameters are used for.
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