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-rw-r--r--tests/test_shortcuts.py67
1 files changed, 67 insertions, 0 deletions
diff --git a/tests/test_shortcuts.py b/tests/test_shortcuts.py
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+++ b/tests/test_shortcuts.py
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+from prompt_toolkit.shortcuts import print_container
+from prompt_toolkit.shortcuts.prompt import _split_multiline_prompt
+from prompt_toolkit.shortcuts.utils import print_container
+from prompt_toolkit.widgets import Frame, TextArea
+
+
+def test_split_multiline_prompt():
+ # Test 1: no newlines:
+ tokens = [("class:testclass", "ab")]
+ has_before_tokens, before, first_input_line = _split_multiline_prompt(
+ lambda: tokens
+ )
+ assert has_before_tokens() is False
+ assert before() == []
+ assert first_input_line() == [
+ ("class:testclass", "a"),
+ ("class:testclass", "b"),
+ ]
+
+ # Test 1: multiple lines.
+ tokens = [("class:testclass", "ab\ncd\nef")]
+ has_before_tokens, before, first_input_line = _split_multiline_prompt(
+ lambda: tokens
+ )
+ assert has_before_tokens() is True
+ assert before() == [
+ ("class:testclass", "a"),
+ ("class:testclass", "b"),
+ ("class:testclass", "\n"),
+ ("class:testclass", "c"),
+ ("class:testclass", "d"),
+ ]
+ assert first_input_line() == [
+ ("class:testclass", "e"),
+ ("class:testclass", "f"),
+ ]
+
+ # Edge case 1: starting with a newline.
+ tokens = [("class:testclass", "\nab")]
+ has_before_tokens, before, first_input_line = _split_multiline_prompt(
+ lambda: tokens
+ )
+ assert has_before_tokens() is True
+ assert before() == []
+ assert first_input_line() == [("class:testclass", "a"), ("class:testclass", "b")]
+
+ # Edge case 2: starting with two newlines.
+ tokens = [("class:testclass", "\n\nab")]
+ has_before_tokens, before, first_input_line = _split_multiline_prompt(
+ lambda: tokens
+ )
+ assert has_before_tokens() is True
+ assert before() == [("class:testclass", "\n")]
+ assert first_input_line() == [("class:testclass", "a"), ("class:testclass", "b")]
+
+
+def test_print_container(tmpdir):
+ # Call `print_container`, render to a dummy file.
+ f = tmpdir.join("output")
+ with open(f, "w") as fd:
+ print_container(Frame(TextArea(text="Hello world!\n"), title="Title"), file=fd)
+
+ # Verify rendered output.
+ with open(f, "r") as fd:
+ text = fd.read()
+ assert "Hello world" in text
+ assert "Title" in text