From 9e23a79ec1028e3ca2bddac524136698876f9157 Mon Sep 17 00:00:00 2001
From: Dave Pearson <davep@davep.org>
Date: Mon, 30 Jan 2023 10:14:53 +0000
Subject: [PATCH] Add more Input unit tests for actions that modify the text

This time all the things to do with deleting right.
---
 .../test_input_key_modification_actions.py    | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/tests/input/test_input_key_modification_actions.py b/tests/input/test_input_key_modification_actions.py
index d54f5a44b..2fd37cb99 100644
--- a/tests/input/test_input_key_modification_actions.py
+++ b/tests/input/test_input_key_modification_actions.py
@@ -81,3 +81,66 @@ async def test_delete_left_all_from_end() -> None:
             input.action_delete_left_all()
             assert input.cursor_position == 0
             assert input.value == ""
+
+
+async def test_delete_right_from_home() -> None:
+    """Deleting right from home should delete one character (if there is any to delete)."""
+    async with InputTester().run_test() as pilot:
+        for input in pilot.app.query(Input):
+            input.action_delete_right()
+            assert input.cursor_position == 0
+            assert input.value == TEST_INPUTS[input.id][1:]
+
+
+async def test_delete_right_from_end() -> None:
+    """Deleting right from end should not change the input's value."""
+    async with InputTester().run_test() as pilot:
+        for input in pilot.app.query(Input):
+            input.action_end()
+            input.action_delete_right()
+            assert input.cursor_position == len(input.value)
+            assert input.value == TEST_INPUTS[input.id]
+
+
+async def test_delete_right_word_from_home() -> None:
+    """Deleting word right from home should delete one word (if there is one)."""
+    async with InputTester().run_test() as pilot:
+        expected: dict[str | None, str] = {
+            "empty": "",
+            "multi-no-punctuation": "your sudden but inevitable betrayal",
+            "multi-punctuation": "have done the impossible, and that makes us mighty.",
+            "multi-and-hyphenated": "as she does it quiet-like",
+        }
+        for input in pilot.app.query(Input):
+            input.action_delete_right_word()
+            assert input.cursor_position == 0
+            assert input.value == expected[input.id]
+
+
+async def test_delete_right_word_from_end() -> None:
+    """Deleting word right from end should not change the input's value."""
+    async with InputTester().run_test() as pilot:
+        for input in pilot.app.query(Input):
+            input.action_end()
+            input.action_delete_right_word()
+            assert input.cursor_position == len(input.value)
+            assert input.value == TEST_INPUTS[input.id]
+
+
+async def test_delete_right_all_from_home() -> None:
+    """Deleting all right home should remove everything in the input."""
+    async with InputTester().run_test() as pilot:
+        for input in pilot.app.query(Input):
+            input.action_delete_right_all()
+            assert input.cursor_position == 0
+            assert input.value == ""
+
+
+async def test_delete_right_all_from_end() -> None:
+    """Deleting all right from end should not change the input's value."""
+    async with InputTester().run_test() as pilot:
+        for input in pilot.app.query(Input):
+            input.action_end()
+            input.action_delete_right_all()
+            assert input.cursor_position == len(input.value)
+            assert input.value == TEST_INPUTS[input.id]