Testing Examples

ShouldUpdate.kt

fun AppConfig.shouldUpdate(appVersion: String): Boolean {
    val appNumbers = appVersion.substringBefore(" ").split(".").map { it.toInt() }
    val minNumbers = minAndroidVersion.split(".").map { it.toInt() }
    appNumbers.forEachIndexed { index, number ->
        val minNumber = minNumbers.elementAtOrElse(index) { 0 }
        if (number > minNumber) {
            return false
        } else if (number < minNumber) {
            return true
        }
    }
    return false
}

ShouldUpdateTest.kt

class AppConfigTest {
    private val donationRequiredField = DonationReportRequiredFields(listOf("CA"), listOf("KO"))

    @Test
    fun `should return false when first min number is lower than app number`() {
        assertFalse(AppConfig("5.4.0", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return false when second min number is lower than app number`() {
        assertFalse(AppConfig("6.3.0", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return false when third min number is lower than app number`() {
        assertFalse(AppConfig("6.4.11", donationRequiredField).shouldUpdate("6.4.12 qa test build"))
    }

    @Test
    fun `should return false min supported version is the same as app version`() {
        assertFalse(AppConfig("6.4.12", donationRequiredField).shouldUpdate("6.4.12"))
    }

    @Test
    fun `should return true when first min number is higher than app number`() {
        assertTrue(AppConfig("7.4.0", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return true when second min number is higher than app number`() {
        assertTrue(AppConfig("6.5.0", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return true when third min number is higher than app number`() {
        assertTrue(AppConfig("6.4.1", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return false when third min does not exist`() {
        assertFalse(AppConfig("6.4", donationRequiredField).shouldUpdate("6.4.0"))
    }

    @Test
    fun `should return false when number after point is lower than min and first number is lower`() {
        assertFalse(AppConfig("2.13", donationRequiredField).shouldUpdate("6.5.0"))
    }

}