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

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