สร้างการทดสอบ 1 หน่วยโดยใช้ไลบรารีการทดสอบ Health Connect

 testImplementation("androidx.health.connect:connect-testing:1.0.0-alpha01")

class HealthConnectManager(
    private val healthConnectClient: HealthConnectClient,
    ...
) { }

import androidx.health.connect.client.testing.ExperimentalTestingApi
import androidx.health.connect.client.testing.FakeHealthConnectClient
import kotlinx.coroutines.test.runTest

@OptIn(ExperimentalTestingApi::class)
class HealthConnectManagerTest {

    @Test
    fun readRecords_filterByActivity() = runTest {
        // Create a Fake with 2 running records.
        val fake = FakeHealthConnectClient()
        fake.insertRecords(listOf(fakeRunRecord1, fakeBikeRecord1))

        // Create a manager that depends on the fake.
        val manager = HealthConnectManager(fake)

        // Read running records only.
        val runningRecords = manager.fetchReport(activity = Running)

        // Verify that the records were filtered correctly.
        assertTrue(runningRecords.size == 1)
    }
}

import androidx.health.connect.client.testing.stubs.stub

@Test
fun addRecords_throwsRemoteException_errorIsExposed() {
    // Create Fake that throws a RemoteException
    // when insertRecords is called.
    val fake = FakeHealthConnectClient()
    fake.overrides.insertRecords = stub { throw RemoteException() }

    // Create a manager that depends on the fake.
    val manager = HealthConnectManager(fake)

    // Insert a record.
    manager.addRecords(fakeRunRecord1)

    // Verify that the manager is exposing an error.
    assertTrue(manager.errors.size == 1)
}

import androidx.health.connect.client.testing.AggregationResult
import androidx.health.connect.client.records.HeartRateRecord
import androidx.health.connect.client.records.ExerciseSessionRecord
import java.time.Duration

@Test
fun aggregate() {
    // Create a fake result.
    val result =
        AggregationResult(metrics =
            buildMap {
                put(HeartRateRecord.BPM_AVG, 74.0)
                put(
                    ExerciseSessionRecord.EXERCISE_DURATION_TOTAL,
                    Duration.ofMinutes(30)
                )
            }
        )

    // Create a fake that always returns the fake
    // result when aggregate() is called.
    val fake = FakeHealthConnectClient()
    fake.overrides.aggregate = stub(result)

// Create a manager that depends on the fake.
val manager = HealthConnectManager(fake)
// Call the function that in turn calls aggregate on the client.
val report = manager.getHeartRateReport()

// Verify that the manager is exposing an error.
assertThat(report.bpmAverage).isEqualTo(74.0)

import androidx.health.connect.client.testing.FakePermissionController

@Test
fun newRecords_noPermissions_errorIsExposed() {
    // Create a permission controller with no permissions.
    val permissionController = FakePermissionController(grantAll = false)

    // Create a fake client with the permission controller.
    val fake = FakeHealthConnectClient(permissionController = permissionController)

    // Create a manager that depends on the fake.
    val manager = HealthConnectManager(fake)

    // Call addRecords so that the permission check is made.
    manager.addRecords(fakeRunRecord1)

    // Verify that the manager is exposing an error.
    assertThat(manager.errors).hasSize(1)
}

fun fetchRecordsReport(pageSize: Int = 1000) }
    val pagedRequest =
        ReadRecordsRequest(
            timeRangeFilter = ...,
            recordType = ...,
            pageToken = page1.pageToken,
            pageSize = pageSize,
        )
    val page = client.readRecords(pagedRequest)
    ...

@Test
fun readRecords_multiplePages() = runTest {

    // Create a Fake with 2 running records.
    val fake = FakeHealthConnectClient()
    fake.insertRecords(generateRunningRecords(5))

    // Create a manager that depends on the fake.
    val manager = HealthConnectManager(fake)

    // Read records with a page size of 2.
    val report = manager.generateReport(pageSize = 2)

    // Verify that all the pages were processed correctly.
    assertTrue(report.records.size == 5)
}