[tmp102] Add number entities for runtime thermostat thresholds (#20596)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>

tests/component_tests/tmp102/config/duplicate_numbers.yaml

@@ -0,0 +1,25 @@
+---
+esphome:
+  name: tmp102-test
+
+esp32:
+  board: esp32dev
+
+i2c:
+  sda: GPIO21
+  scl: GPIO22
+
+sensor:
+  - platform: tmp102
+    id: chip
+    name: Temperature
+
+number:
+  - platform: tmp102
+    tmp102_id: chip
+    temperature_high:
+      name: High One
+  - platform: tmp102
+    tmp102_id: chip
+    temperature_low:
+      name: Low Two

tests/component_tests/tmp102/config/numbers.yaml

@@ -0,0 +1,24 @@
+---
+esphome:
+  name: tmp102-test
+
+esp32:
+  board: esp32dev
+
+i2c:
+  sda: GPIO21
+  scl: GPIO22
+
+sensor:
+  - platform: tmp102
+    id: chip
+    name: Temperature
+
+number:
+  - platform: tmp102
+    tmp102_id: chip
+    temperature_high:
+      name: High
+    temperature_low:
+      name: Low
+      restore_value: false

tests/component_tests/tmp102/config/numbers_inherit.yaml

@@ -0,0 +1,25 @@
+---
+esphome:
+  name: tmp102-test
+
+esp32:
+  board: esp32dev
+
+i2c:
+  sda: GPIO21
+  scl: GPIO22
+
+sensor:
+  - platform: tmp102
+    id: chip
+    name: Temperature
+    extended_mode: true
+    temperature_high: 140
+    temperature_low: 120
+
+number:
+  - platform: tmp102
+    temperature_high:
+      name: High
+    temperature_low:
+      name: Low

tests/component_tests/tmp102/config/numbers_initial_value.yaml

@@ -0,0 +1,22 @@
+---
+esphome:
+  name: tmp102-test
+
+esp32:
+  board: esp32dev
+
+i2c:
+  sda: GPIO21
+  scl: GPIO22
+
+sensor:
+  - platform: tmp102
+    id: chip
+    name: Temperature
+
+number:
+  - platform: tmp102
+    tmp102_id: chip
+    temperature_high:
+      name: High
+      initial_value: 30

tests/component_tests/tmp102/test_config.py

@@ -58,6 +58,54 @@ def test_duplicate_alert_entities_are_rejected(
     )
 
 
+def test_threshold_numbers_enable_configuration_once(
+    generate_main: Callable[[Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    source = generate_main(component_config_path("numbers.yaml"))
+    assert source.count("set_configuration(") == 1
+    assert "set_configuration(128, 20480, 19200)" in source
+    assert source.count("set_limit_control(") == 2
+    assert "tmp102::TMP102_LIMIT_HIGH" in source
+    assert "tmp102::TMP102_LIMIT_LOW" in source
+    assert "set_restore_value(false)" in source
+    assert "set_max_value(127.9375f)" in source
+    defines = " ".join(define.name for define in CORE.defines)
+    assert "USE_TMP102_NUMBER" in defines
+    assert "USE_TMP102_CONFIGURE" in defines
+
+
+def test_threshold_numbers_use_sensor_thresholds(
+    generate_main: Callable[[Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    source = generate_main(component_config_path("numbers_inherit.yaml"))
+    assert source.count("set_configuration(") == 1
+    assert "set_configuration(144, 17920, 15360)" in source
+    assert "set_max_value(150.0f)" in source
+
+
+def test_threshold_number_initial_value_is_rejected(
+    component_config_path: Callable[[str], Path],
+    capsys: pytest.CaptureFixture[str],
+) -> None:
+    CORE.config_path = component_config_path("numbers_initial_value.yaml")
+    assert read_config({}) is None
+    assert "[initial_value] is an invalid option" in capsys.readouterr().out
+
+
+def test_duplicate_numbers_are_rejected(
+    component_config_path: Callable[[str], Path],
+    capsys: pytest.CaptureFixture[str],
+) -> None:
+    CORE.config_path = component_config_path("duplicate_numbers.yaml")
+    assert read_config({}) is None
+    assert (
+        "Only one TMP102 number may reference each temperature sensor"
+        in capsys.readouterr().out
+    )
+
+
 @pytest.mark.parametrize(
     ("extended", "high", "low"),
     [
@@ -117,5 +165,12 @@ def test_precomputed_register_values() -> None:
     assert component.encode_temperature(config["temperature_low"], True) == 0xF9E0
 
 
+def test_threshold_encoding_rounds_half_steps_away_from_zero() -> None:
+    assert component.encode_temperature(30.03125, False) == 481 << 4
+    assert component.encode_temperature(-30.03125, False) == (-481 << 4) & 0xFFFF
+    assert component.encode_temperature(30.03125, True) == 481 << 3
+    assert component.encode_temperature(-30.03125, True) == (-481 << 3) & 0xFFFF
+
+
 def test_defaults_match_chip_reset() -> None:
     assert component.build_configuration({}) == 0x0080