Bug/fix internal flag in binary sensor (#1136)

esphome/__main__.py

@@ -131,6 +131,11 @@ def wrap_to_code(name, comp):
 
 
 def write_cpp(config):
+    generate_cpp_contents(config)
+    return write_cpp_file()
+
+
+def generate_cpp_contents(config):
     _LOGGER.info("Generating C++ source...")
 
     for name, component, conf in iter_components(CORE.config):
@@ -140,6 +145,8 @@ def write_cpp(config):
 
     CORE.flush_tasks()
 
+
+def write_cpp_file():
     writer.write_platformio_project()
 
     code_s = indent(CORE.cpp_main_section)

esphome/components/binary_sensor/__init__.py

@@ -224,7 +224,7 @@ BINARY_SENSOR_SCHEMA = cv.MQTT_COMPONENT_SCHEMA.extend({
 def setup_binary_sensor_core_(var, config):
     cg.add(var.set_name(config[CONF_NAME]))
     if CONF_INTERNAL in config:
-        cg.add(var.set_internal(CONF_INTERNAL))
+        cg.add(var.set_internal(config[CONF_INTERNAL]))
     if CONF_DEVICE_CLASS in config:
         cg.add(var.set_device_class(config[CONF_DEVICE_CLASS]))
     if CONF_INVERTED in config:

tests/component_tests/binary_sensor/test_binary_sensor.py

@@ -0,0 +1,24 @@
+""" Tests for the binary sensor component """
+
+from esphome.core import CORE
+from esphome.config import read_config
+from esphome.__main__ import generate_cpp_contents
+
+
+def test_binary_sensor_config_value_internal_set():
+    """
+    Test that the "internal" config value is correctly set
+    """
+    # Given
+    CORE.config_path = "tests/component_tests/binary_sensor/test_binary_sensor.yaml"
+    CORE.config = read_config({})
+
+    # When
+    generate_cpp_contents(CORE.config)
+    # print(CORE.cpp_main_section)
+
+    # Then
+    assert "bs_1->set_internal(true);" in CORE.cpp_main_section
+    assert "bs_2->set_internal(false);" in CORE.cpp_main_section
+
+    CORE.reset()

tests/component_tests/binary_sensor/test_binary_sensor.yaml

@@ -0,0 +1,18 @@
+esphome:
+  name: test
+  platform: ESP8266
+  board: d1_mini_lite
+
+binary_sensor:
+  - platform: gpio
+    id: bs_1
+    name: "test bs1"
+    internal: true
+    pin:
+      number: D0
+  - platform: gpio
+    id: bs_2
+    name: "test bs2"
+    internal: false
+    pin:
+      number: D1