Test: add CheckboxTest

sample-app/src/androidTest/java/com/atiurin/sampleapp/tests/compose/CheckboxTest.kt

@@ -0,0 +1,41 @@
+package com.atiurin.sampleapp.tests.compose
+
+import androidx.compose.material.TriStateCheckbox
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.state.ToggleableState
+import androidx.compose.ui.test.hasContentDescription
+import com.atiurin.ultron.core.compose.createDefaultUltronComposeRule
+import com.atiurin.ultron.core.compose.nodeinteraction.click
+import com.atiurin.ultron.extensions.assertIsIndeterminate
+import org.junit.Rule
+import org.junit.Test
+
+class CheckboxTest {
+    @get:Rule
+    val composeRule = createDefaultUltronComposeRule()
+
+    @Test
+    fun checkboxStates() {
+        val testTag = "checkBox"
+        composeRule.setContent {
+            val checkedState = remember { mutableStateOf(ToggleableState.Indeterminate) }
+            TriStateCheckbox(
+                state = checkedState.value,
+                onClick = {
+                    if (checkedState.value == ToggleableState.Indeterminate || checkedState.value == ToggleableState.Off)
+                        checkedState.value = ToggleableState.On
+                    else checkedState.value = ToggleableState.Off
+                },
+                modifier = Modifier.semantics { contentDescription = testTag }
+            )
+        }
+
+        hasContentDescription(testTag).assertIsIndeterminate()
+            .click().assertIsOn()
+            .click().assertIsOff()
+    }
+}