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-rw-r--r--tests/test_async_generator.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/test_async_generator.py b/tests/test_async_generator.py
new file mode 100644
index 0000000..fd2c109
--- /dev/null
+++ b/tests/test_async_generator.py
@@ -0,0 +1,24 @@
+from prompt_toolkit.eventloop import generator_to_async_generator, get_event_loop
+
+
+def _sync_generator():
+ yield 1
+ yield 10
+
+
+def test_generator_to_async_generator():
+ """
+ Test conversion of sync to asycn generator.
+ This should run the synchronous parts in a background thread.
+ """
+ async_gen = generator_to_async_generator(_sync_generator)
+
+ items = []
+
+ async def consume_async_generator():
+ async for item in async_gen:
+ items.append(item)
+
+ # Run the event loop until all items are collected.
+ get_event_loop().run_until_complete(consume_async_generator())
+ assert items == [1, 10]