datapipeline 3.0.0: transform, Parallelmodus, chained und String-Bedingungen entfernt

test/core/streaming_test.rb

@@ -21,23 +21,14 @@ class StreamingTest < PipelineTest
     assert_equal({ 'T' => 4, 'R' => 3 }, stream.last)
   end
 
-  def test_stream_prepend_append
+  def test_stream_several_steps_one_to_many
     out = output(ROWS, streamed: true) do
-      chained
-      transform(processing: :prepend) { |_, n| { 'p' => n } }
-      transform { |r| [r, r] }
-      transform(processing: :append) { |_, n| { 'n' => n } }
+      map { |r| [r, r] }
+      map { |r, ctx| r.merge('i' => ctx.index) }
+      trailer { |ctx| { 'n' => ctx.written } }
     end
-    assert_equal({ 'p' => 0 }, out.first)
     assert_equal({ 'n' => 6 }, out.last)
-    assert_equal 8, out.size
-  end
-
-  def test_stream_parallel_single_step_and_error_for_several
-    out = output(ROWS, streamed: true) { transform { |r| [r, r] }; transform(processing: :append) { |_, n| { 'n' => n } } }
-    assert_equal({ 'n' => 3 }, out.last)
-    error = assert_raises(ArgumentError) { output(ROWS, streamed: true) { transform { |r| r }; transform { |r| r } } }
-    assert_includes error.message, 'chained'
+    assert_equal (0...6).to_a, out.first(6).map { |r| r['i'] }
   end
 
   def test_stream_condition_and_copy