How to test your Android Things code in a clean way

Presentation slides used at GDG Devfest Pisa 0.1 and AppDevCon NL 2018

Transcript

1. James Coggan How to test your Android Things code in a clean way https://jamescoggan.com @mad_team
3. What is Android Things?
4. What is Android Things?
12. Android vs Android Things
13. Android vs Android Things Main app started automatically
14. Android vs Android Things Main app started automatically Android Things support Library
15. Android vs Android Things Main app started automatically Android Things support Library Permissions are free (reboot required for dangerous ones)
16. Android vs Android Things Main app started automatically Android Things support Library Permissions are free (reboot required for dangerous ones) Google play services, Firebase …
17. Android vs Android Things
18. Android vs Android Things AdMob
19. Android vs Android Things AdMob Android Pay
20. Android vs Android Things AdMob Android Pay Full screen display (no status bar, notifications or navigation)
21. Android vs Android Things AdMob Android Pay Full screen display (no status bar, notifications or navigation) Sign-In
22. Android vs Android Things AdMob Android Pay Full screen display (no status bar, notifications or navigation) Sign-In System apps (Calendar, Telephony, Settings..)
23. Android vs Android Things AdMob Android Pay Full screen display (no status bar, notifications or navigation) Sign-In System apps (Calendar, Telephony, Settings..) Display is optional
24. Development kits NXP Pico i.MX7D Raspberry pi kit
25. Development kits Carrier board SoM
26. Development kits
27. CES 2018 iHome iGV1 Lenovo LG
28. Why Android Things?
29. Why Android Things? Kotlin :)
30. Why Android Things? Kotlin :) OS and Framework Maintained by Google
31. Why Android Things? Kotlin :) OS and Framework Maintained by Google OTA updates
32. Why Android Things? Kotlin :) OS and Framework Maintained by Google OTA updates Android community
33. Why Android Things? Kotlin :) OS and Framework Maintained by Google OTA updates Android community Android libraries
34. Why Android Things? Kotlin :) OS and Framework Maintained by Google OTA updates Android community Android libraries Reusable code/infrastructure
35. Getting started
37. Getting started dependencies { compileOnly "com.google.android.things:androidthings:+" … }
38. <!-- Things manifest --> <application android:name=".ThingsApplication"> <uses-library android:name="com.google.android.things" /> </application> </manifest> Getting started
39. Getting started <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity>
40. Getting started <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.IOT_LAUNCHER" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity>
42. Activities
43. Activities Fragments
44. Activities Fragments Services
45. Activities Fragments Services Intents
46. Activities Fragments Services Intents …
48. MVP
49. MVP MVVM
50. MVP MVVM MVI
51. MVP MVVM MVI MVXXXX
52. But now what?
53. class MainActivity : AppCompatActivity() { }
54. class MainActivity : AppCompatActivity() { override fun onStart() { super.onStart() } }
55. class MainActivity : AppCompatActivity() { override fun onStart() { super.onStart() setupButton() } }
56. private fun setupButton(){ }
57. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") }
58. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) }
59. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) }
60. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) button.setEdgeTriggerType(Gpio.EDGE_BOTH) }
61. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) button.setEdgeTriggerType(Gpio.EDGE_BOTH) button.registerGpioCallback() }
62. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) button.setEdgeTriggerType(Gpio.EDGE_BOTH) button.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { } }) }
63. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) button.setEdgeTriggerType(Gpio.EDGE_BOTH) button.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { return true } }) }
64. private fun setupButton(){ val button = PeripheralManagerService().openGpio("BCM21") button.setDirection(Gpio.DIRECTION_IN) button.setActiveType(Gpio.ACTIVE_LOW) button.setEdgeTriggerType(Gpio.EDGE_BOTH) button.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { onValueChanged(gpio?.value ?: false) return true } }) }
65. private fun onValueChanged(value: Boolean) { }
66. private fun onValueChanged(value: Boolean) { Log.d("TAG", "Button presed $value") }
67. How do I test this?
71. Things App Presenter Model DB Helper Led Button Temp sensor View Gpio API
74. class Button { }
75. class Button { interface OnValueChangedListener { } }
76. class Button { interface OnValueChangedListener { fun onValue(state: Boolean) } }
77. class Button { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null }
78. class Button { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null fun setListener(listener: OnValueChangedListener) { } }
79. class Button { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null fun setListener(listener: OnValueChangedListener) { this.listener = listener } }
80. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") }
81. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { } }
82. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) } }
83. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) } }
84. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) } }
85. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback() } }
86. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { } }) } }
87. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { return true } }) } }
88. class Button { … private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
89. interface Sensor { }
90. interface Sensor<out T> { }
91. interface Sensor<out T> { fun open() }
92. interface Sensor<out T> { fun open() fun close() }
93. interface Sensor<out T> { fun open() fun setListener(listener: OnStateChangeListener<T>?) fun close() }
94. interface Sensor<out T> { fun open() fun setListener(listener: OnStateChangeListener<T>?) fun close() } interface OnStateChangeListener<in T> { fun onStateChanged(state: T) }
95. interface Actuator
96. interface Actuator<in T>
97. interface Actuator<in T> { fun open() }
98. interface Actuator<in T> { fun open() fun close() }
99. interface Actuator<in T> { fun open() fun close() fun setValue(value: T) }
100. class Button { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
101. class Button : Sensor<Boolean> { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
102. class Button : Sensor<Boolean> { interface OnValueChangedListener { fun onValue(state: Boolean) } private var listener: OnValueChangedListener? = null private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
103. class Button : Sensor<Boolean> { private var listener: OnStateChangeListener<Boolean>? = null private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
104. class Button : Sensor<Boolean> { private var listener: OnStateChangeListener<Boolean>? = null override fun setListener(listener: OnStateChangeListener<Boolean>?) { this.listener = listener } private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) }
105. class Button : Sensor<Boolean> { private val gpio = PeripheralManagerService().openGpio("BCM21") init { gpio.setDirection(Gpio.DIRECTION_IN) gpio.setActiveType(Gpio.ACTIVE_LOW) gpio.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
106. class Button : Sensor<Boolean> { private val gpio = PeripheralManagerService().openGpio("BCM21") override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
107. class Button : Sensor<Boolean> { private val gpio = PeripheralManagerService().openGpio("BCM21") override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onValue(gpio?.value ?: false) return true } }) } }
108. class Button : Sensor<Boolean> { private val gpio = PeripheralManagerService().openGpio("BCM21") override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } }
109. class Button : Sensor<Boolean> { … }
110. class Button : Sensor<Boolean> { … override fun close() { } }
111. class Button : Sensor<Boolean> { … override fun close() { listener = null } }
112. class Button : Sensor<Boolean> { … override fun close() { listener = null gpio.close().also { gpio = null } } }
113. How do I test this?
114. class Button : Sensor<Boolean> { private var gpio: Gpio? = null private var listener: OnStateChangeListener<Boolean>? = null override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } … }
115. class Button : Sensor<Boolean> { private var gpio: Gpio? = null private var listener: OnStateChangeListener<Boolean>? = null override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } … }
116. public abstract class Gpio extends IoBase { public static final int ACTIVE_HIGH = 1; public static final int ACTIVE_LOW = 0; public static final int DIRECTION_IN = 0; public static final int DIRECTION_OUT_INITIALLY_HIGH = 1; public static final int DIRECTION_OUT_INITIALLY_LOW = 2; public static final int EDGE_BOTH = 3; public static final int EDGE_FALLING = 2; public static final int EDGE_NONE = 0; public static final int EDGE_RISING = 1; public Gpio() { throw new RuntimeException("Stub!"); } public abstract void close() throws IOException; public abstract void setDirection(int var1) throws IOException; public abstract void setEdgeTriggerType(int var1) throws IOException; public abstract void setActiveType(int var1) throws IOException; public abstract void setValue(boolean var1) throws IOException; public abstract boolean getValue() throws IOException; public final void registerGpioCallback(GpioCallback callback) throws IOException { throw new RuntimeException("Stub!"); } public abstract void registerGpioCallback(GpioCallback var1, Handler var2) throws IOException; public abstract void unregisterGpioCallback(GpioCallback var1); }
117. interface GpioDevice { @Throws(IOException::class) fun open() @Throws(IOException::class) fun close() @Throws(IOException::class) fun setDirection(direction: Int) @Throws(IOException::class) fun setEdgeTriggerType(triggerType: Int) @Throws(IOException::class) fun setActiveType(activeType: Int) @Throws(IOException::class) fun setValue(value: Boolean) @Throws(IOException::class) fun getValue(): Boolean
118. class GpioConfig { companion object { const val ACTIVE_HIGH = 1 const val ACTIVE_LOW = 0 const val DIRECTION_IN = 0 const val DIRECTION_OUT_INITIALLY_HIGH = 1 const val DIRECTION_OUT_INITIALLY_LOW = 2 const val EDGE_BOTH = 3 const val EDGE_FALLING = 2 const val EDGE_NONE = 0 const val EDGE_RISING = 1 } }
119. class Button : Sensor<Boolean> { private var gpio: Gpio? = null private var listener: OnStateChangeListener<Boolean>? = null override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } … }
120. class Button(val gpio: GpioDevice) : Sensor<Boolean> { private var gpio: Gpio? = null private var listener: OnStateChangeListener<Boolean>? = null override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } … }
121. class Button(val gpio: GpioDevice) : Sensor<Boolean> { private var gpio: Gpio? = null private var listener: OnStateChangeListener<Boolean>? = null override fun open() { gpio = PeripheralManagerService().openGpio("BCM21") gpio?.setDirection(Gpio.DIRECTION_IN) gpio?.setActiveType(Gpio.ACTIVE_LOW) gpio?.setEdgeTriggerType(Gpio.EDGE_BOTH) gpio?.registerGpioCallback(object : GpioCallback() { override fun onGpioEdge(gpio: Gpio?): Boolean { listener?.onStateChanged(gpio?.value ?: false) return true } }) } … }
122. Developer Preview 7
123. Better testability of Android Things apps. The Peripheral I/O API now exposes interfaces instead of abstract classes, allowing local unit tests to replace these objects with mocks and stubs more easily.
124. Drivers
125. Drivers Led
126. Drivers Button Led
127. Drivers Button Temp sensor Led
128. Drivers Gpio Button Temp sensor Led
129. Drivers Gpio Button Temp sensor Led
130. Drivers GpioDevice interface Button Temp sensor Led Things Library
131. Drivers GpioDevice interface Button Temp sensor Led Things Library Gpio
132. How do I test this?
133. class ButtonTest
134. class ButtonTest { private lateinit var switch: Switch }
135. class ButtonTest { private lateinit var switch: Switch @Mock private lateinit var gpioDevice: GpioDevice }
136. class ButtonTest { private lateinit var switch: Switch @Mock private lateinit var gpioDevice: GpioDevice @Suppress("unused") @get:Rule var mockitoRule = MockitoJUnit.rule()!! }
137. class ButtonTest { private lateinit var switch: Switch @Mock private lateinit var gpioDevice: GpioDevice @Suppress("unused") @get:Rule var mockitoRule = MockitoJUnit.rule()!! @Before fun setup() { } }
138. class ButtonTest { private lateinit var switch: Switch @Mock private lateinit var gpioDevice: GpioDevice @Suppress("unused") @get:Rule var mockitoRule = MockitoJUnit.rule()!! @Before fun setup() { switch = Switch(gpioDevice) } }
139. class ButtonTest { private lateinit var switch: Switch @Mock private lateinit var gpioDevice: GpioDevice @Suppress("unused") @get:Rule var mockitoRule = MockitoJUnit.rule()!! @Before fun setup() { switch = Switch(gpioDevice) } @Test fun whenOpen_thenDirectionSet() { switch.open() verify(gpioDevice).setDirection(GpioConfig.DIRECTION_IN) } }
140. class ButtonTest { … @Test fun whenOpen_thenEdgeTriggerSet() { switch.open() verify(gpioDevice).setEdgeTriggerType(GpioConfig.EDGE_BOTH) } }
141. Things App
142. Things App UI
143. Things App Led UI
144. Things App Button Led UI
145. Things App Button Temp sensor Led UI
146. Things App Button Temp sensor Led UI
147. GpioDevice interface Things App Button Temp sensor Led UI
148. GpioDevice interface GpioDevice Provider Implements Things App Button Temp sensor Led UI
149. GpioDevice interface Gpio GpioDevice Provider Implements Things App Button Temp sensor Led UI
150. Drivers GpioDevice interface Gpio GpioDevice Provider Implements Things App Button Temp sensor Led UI
151. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Things App Button Temp sensor Led UI
152. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App UI
153. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View
154. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter
155. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model
156. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor
157. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Helper
158. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository Helper
159. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB Helper
160. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
161. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
162. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
163. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
164. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
165. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
166. How do I test this?
171. x
173. x
176. adb: failed to install things/build/outputs/apk/debug/things- debug.apk: Failure [INSTALL_FAILED_MISSING_SHARED_LIBRARY: Package couldn't be installed in /data/app/ com.jamescoggan.things-4076B4ghPLoLrv6BwsEvPQ==: Package com.jamescoggan.things requires unavailable shared library com.google.android.things; failing!]
177. adb: failed to install things/build/outputs/apk/debug/things- debug.apk: Failure [INSTALL_FAILED_MISSING_SHARED_LIBRARY: Package couldn't be installed in /data/app/ com.jamescoggan.things-4076B4ghPLoLrv6BwsEvPQ==: Package com.jamescoggan.things requires unavailable shared library com.google.android.things; failing!]
178. <!-- Things manifest --> <application android:name=".ThingsApplication"> <uses-library android:name="com.google.android.things" /> </application> </manifest>
179. x
181. x
184. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
185. x
186. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
187. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper x
188. Drivers GpioDevice interface Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper Mocked GpioDevice
189. <!-- Things manifest --> <application android:name=".ThingsApplication"> <uses-library android:name="com.google.android.things" /> </application> </manifest>
190. Drivers GpioDevice interface Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper Mocked GpioDevice
191. Drivers GpioDevice interface Mocked GpioDevice Implements Things App Button Temp sensor Led Frontend View Presenter Model Interactor Data Repository DB API Helper
192. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Things App Button Temp sensor Led Frontend View Presenter Model Interactor Data Repository DB API Helper
193. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Things App Button Temp sensor Led Frontend View Presenter Model Interactor Data Repository DB API Helper Test Application Mocked GpioDevice
194. <!-- Things manifest --> <application android:name=".ThingsApplication"> <uses-library android:name="com.google.android.things" /> </application> </manifest>
195. <!-- Frontend manifest —> <application/> <activity android:name=".MainActivity"> </application> </manifest>
196. DAGGER 2
197. abstract class FrontendApplication : Application()
198. abstract class FrontendApplication : Application() { lateinit var driverComponent: DriverComponent }
199. abstract class FrontendApplication : Application() { lateinit var driverComponent: DriverComponent override fun onCreate() { super.onCreate() } }
200. abstract class FrontendApplication : Application() { lateinit var driverComponent: DriverComponent override fun onCreate() { super.onCreate() driverComponent = createDriverComponent() } }
201. abstract class FrontendApplication : Application() { lateinit var driverComponent: DriverComponent override fun onCreate() { super.onCreate() driverComponent = createDriverComponent() } abstract fun createDriverComponent(): DriverComponent }
202. // Things Application class ThingsApplication : FrontendApplication() { override fun createDriverComponent(): DriverComponent { return DaggerThingsDriverComponent.builder().build() } }
203. // Test application class TestApplication : FrontendApplication() { override fun createDriverComponent(): DriverComponent { return DaggerTestingDriverComponent.builder().build() } }
204. class MainActivityTest { @Inject lateinit var led: Actuator<@JvmSuppressWildcards Boolean> @Inject lateinit var button: Sensor<@JvmSuppressWildcards Boolean> @Before fun setup() { val appContext = InstrumentationRegistry.getTargetContext().applicationContext val application = (appContext as TestApplication) val testingDriverComponent = application.driverComponent as TestingDriverComponent testingDriverComponent.inject(this) // Reset mocks reset(button) reset(led) }
205. @Test fun givenButtonValueTrue_whenActivityLaunched_thenTheLedIsTrue() { val captor = argumentCaptor<OnStateChangeListener<Boolean>>() doNothing().whenever(button).setListener(captor.capture()) activity.launchActivity(Intent()) val listener = captor.firstValue listener.onStateChanged(true) verify(led).setValue(true) } @Test fun givenButtonValueTrue_whenActivityLaunched_thenTheLedIsFalse() { val captor = argumentCaptor<OnStateChangeListener<Boolean>>() doNothing().whenever(button).setListener(captor.capture()) activity.launchActivity(Intent()) val listener = captor.firstValue listener.onStateChanged(true) verify(led).setValue(true) }
207. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
208. Drivers Hardware GpioDevice interface Gpio GpioDevice Provider Implements Button Temp sensor Led Things App View Presenter Model Interactor Data Repository DB API Helper
209. Success!!
210. https://github.com/jamescoggan/AndroidThingsTesting
211. https://github.com/jamescoggan/AndroidThingsTesting https://github.com/jamescoggan/RemoteControlArduino
212. Questions?
213. Thank you! https://jamescoggan.com @mad_team https://github.com/jamescoggan