stevedlawrence commented on a change in pull request #79: TDMLRunner explicit
roundTrip="twoPass" feature.
URL: https://github.com/apache/incubator-daffodil/pull/79#discussion_r201311327
##########
File path:
daffodil-tdml/src/main/scala/org/apache/daffodil/tdml/TDMLRunner.scala
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@@ -77,12 +77,43 @@ import org.apache.daffodil.api.DaffodilTunables
import org.apache.daffodil.processors.charset.NBitsWidth_BitsCharset
import org.apache.daffodil.processors.charset.NBitsWidth_BitsCharsetEncoder
import java.nio.charset.{ Charset => JavaCharset }
+import java.io.OutputStream
/**
* Parses and runs tests expressed in IBM's contributed tdml "Test Data Markup
Language"
*/
+sealed trait RoundTrip
+
+/**
+ * Test is just a parse test, or just an unparse, with no round trip involved.
+ */
+case object NoRoundTrip extends RoundTrip
+
+/**
+ * Test round trips simply. Unparse produces exactly the original data.
+ */
+case object SimpleRoundTrip extends RoundTrip
+
+/**
+ * Unparse doesn't produce original data, but equivalent canonical data which
+ * if reparsed in a second parse pass, produces the same infoset as the first
+ * parse.
+ */
+case object TwoPassRoundTrip extends RoundTrip
+
private[tdml] object DFDLTestSuite {
+
+ /**
+ * Use to convert round trip default into enum value
+ */
+ def standardizeRoundTrip(enumStr: String): RoundTrip =
+ enumStr match {
+ case "false" | "none" => NoRoundTrip
+ case "true" | "simple" => SimpleRoundTrip
+ case "twoPass" => TwoPassRoundTrip
+ }
Review comment:
This feels like maybe it should be a companion object with an apply method
that converts a string to one of those? Or perhaps something like in
GeneratedCode that has builtin string to Enum values?
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