[binary_sensor] Share multi click timing tables in flash and skip the default cooldown setter (#20071)

tests/component_tests/binary_sensor/test_multi_click.py

@@ -0,0 +1,29 @@
+"""Tests for the multi click trigger codegen."""
+
+from collections.abc import Callable
+from pathlib import Path
+import re
+
+
+def test_multi_click_timing_tables(generate_main: Callable[[str | Path], str]) -> None:
+    """Identical timings share one PROGMEM table; the default cooldown is not set."""
+    main_cpp = generate_main(
+        "tests/component_tests/binary_sensor/test_multi_click.yaml"
+    )
+
+    tables = re.findall(
+        r"static constexpr binary_sensor::MultiClickTriggerEvent (\w+)\[\] PROGMEM",
+        main_cpp,
+    )
+    assert len(tables) == 2
+    single, long_press = tables
+    triggers = re.findall(
+        r"binary_sensor::MultiClickTrigger\((\w+), (\w+), (\d+)\);", main_cpp
+    )
+    assert triggers == [
+        ("button_a", single, "2"),
+        ("button_a", long_press, "1"),
+        ("button_b", single, "2"),
+    ]
+    assert main_cpp.count("set_invalid_cooldown(") == 1
+    assert "set_invalid_cooldown(500);" in main_cpp

tests/component_tests/binary_sensor/test_multi_click.yaml

@@ -0,0 +1,33 @@
+---
+esphome:
+  name: test
+
+esp32:
+  board: esp32dev
+
+logger:
+
+binary_sensor:
+  - platform: gpio
+    id: button_a
+    pin: GPIO32
+    on_multi_click:
+      - timing:
+          - ON for at most 1s
+          - OFF for at least 0.25s
+        then:
+          - logger.log: a single
+      - timing:
+          - ON for at least 2s
+        invalid_cooldown: 500ms
+        then:
+          - logger.log: a long
+  - platform: gpio
+    id: button_b
+    pin: GPIO33
+    on_multi_click:
+      - timing:
+          - ON for at most 1s
+          - OFF for at least 0.25s
+        then:
+          - logger.log: b single