feat: component tests

Author: jvsena42

app/src/androidTest/java/to/bitkit/ui/components/KeyboardTest.kt

@@ -0,0 +1,90 @@
+package to.bitkit.ui.components
+
+import androidx.compose.ui.test.*
+import androidx.compose.ui.test.junit4.createComposeRule
+import dagger.hilt.android.testing.HiltAndroidRule
+import dagger.hilt.android.testing.HiltAndroidTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+
+@HiltAndroidTest
+class KeyboardTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @get:Rule
+    val hiltRule = HiltAndroidRule(this)
+
+    @Before
+    fun setup() {
+        hiltRule.inject()
+    }
+
+    @Test
+    fun keyboard_displaysAllButtons() {
+        composeTestRule.setContent {
+            Keyboard(onClick = {})
+        }
+
+        composeTestRule.onNodeWithTag("KeyboardButton_1").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_2").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_3").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_4").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_5").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_6").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_7").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_8").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_9").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_.").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_0").assertIsDisplayed()
+        composeTestRule.onNodeWithTag("KeyboardButton_").assertIsDisplayed()
+    }
+
+    @Test
+    fun keyboard_tripleZero_when_not_decimal() {
+        composeTestRule.setContent {
+            Keyboard(onClick = {}, isDecimal = false)
+        }
+        composeTestRule.onNodeWithTag("KeyboardButton_000").assertIsDisplayed()
+    }
+
+    @Test
+    fun keyboard_decimal_when_decimal() {
+        composeTestRule.setContent {
+            Keyboard(onClick = {}, isDecimal = true)
+        }
+        composeTestRule.onNodeWithTag("KeyboardButton_.").assertIsDisplayed()
+    }
+
+    @Test
+    fun keyboard_button_click_triggers_callback() {
+        var clickedValue = ""
+        composeTestRule.setContent {
+            Keyboard(onClick = { clickedValue = it })
+        }
+
+        composeTestRule.onNodeWithTag("KeyboardButton_5").performClick()
+        assert(clickedValue == "5")
+
+        composeTestRule.onNodeWithTag("KeyboardButton_.").performClick()
+        assert(clickedValue == ".")
+
+        composeTestRule.onNodeWithTag("KeyboardButton_0").performClick()
+        assert(clickedValue == "0")
+
+    }
+
+    @Test
+    fun keyboard_button_click_tripleZero() {
+        var clickedValue = ""
+        composeTestRule.setContent {
+            Keyboard(onClick = { clickedValue = it }, isDecimal = false)
+        }
+
+        composeTestRule.onNodeWithTag("KeyboardButton_000").performClick()
+        assert(clickedValue == "000")
+    }
+
+}