protoTest.kt

package im.dlg.push

import Update
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import java.io.File
import java.io.FileOutputStream

class UpdateNotificationTest {
    private lateinit var tempFile: File

    @get:Rule
    private val temporaryFolder = TemporaryFolder()

    @Before
    fun setUp() {
        val update = Update.VersionUpdate.newBuilder()
                .apply {
                    version = "1.13.22"
                    storelink = "https://play.google.com/store/apps/details?id=im.dlg.app"
                }
                .build()

        temporaryFolder.create()
        tempFile = temporaryFolder.newFile("proto.txt")
        FileOutputStream(tempFile).apply {
            update.writeTo(this)
            close()
        }
    }

    @Test
    fun deserializeUpdateNotificationProto() {
        Update.VersionUpdate.parseFrom(tempFile.inputStream())
    }

    @Test
    fun compareAppVersions() {
        val versionUpdate = Update.VersionUpdate.parseFrom(tempFile.inputStream())
        assert(!versionUpdate.version.isNullOrEmpty())
        val userAppVersion = "1.13.21"
        assert(versionUpdate.version > userAppVersion)
    }

    @After
    fun tearDown() {
        tempFile.delete()
        assert(!tempFile.exists())
    }
}