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LinkAppBarStateTest.kt
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LinkAppBarStateTest.kt
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package com.stripe.android.link.ui
import androidx.activity.ComponentActivity
import androidx.compose.ui.test.junit4.createAndroidComposeRule
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.google.common.truth.Truth.assertThat
import com.stripe.android.link.LinkScreen
import com.stripe.android.link.R
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
@RunWith(AndroidJUnit4::class)
internal class LinkAppBarStateTest {
@get:Rule
val composeTestRule = createAndroidComposeRule<ComponentActivity>()
@Test
fun rejectsBlankEmailAddress() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.Wallet.route,
email = " "
)
assertThat(state.email).isNull()
}
@Test
fun loadingScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.Loading.route,
email = null
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_close,
showHeader = true,
showOverflowMenu = false,
email = null
)
assertThat(state).isEqualTo(expected)
}
@Test
fun verificationScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.Verification.route,
email = "someone@stripe.com"
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_close,
showHeader = true,
showOverflowMenu = false,
email = null
)
assertThat(state).isEqualTo(expected)
}
@Test
fun verificationDialogShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.VerificationDialog.route,
email = "someone@stripe.com"
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_close,
showHeader = true,
showOverflowMenu = false,
email = "someone@stripe.com"
)
assertThat(state).isEqualTo(expected)
}
@Test
fun walletScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.Wallet.route,
email = "someone@stripe.com"
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_close,
showHeader = true,
showOverflowMenu = true,
email = "someone@stripe.com"
)
assertThat(state).isEqualTo(expected)
}
@Test
fun paymentMethodScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = false,
currentRoute = LinkScreen.PaymentMethod.route,
email = "someone@stripe.com"
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_back,
showHeader = false,
showOverflowMenu = false,
email = null
)
assertThat(state).isEqualTo(expected)
}
@Test
fun cardEditScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = false,
currentRoute = LinkScreen.CardEdit.route,
email = "someone@stripe.com"
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_back,
showHeader = false,
showOverflowMenu = false,
email = null
)
assertThat(state).isEqualTo(expected)
}
@Test
fun signupScreenShowsCorrectAppBarState() {
val state = buildLinkAppBarState(
isRootScreen = true,
currentRoute = LinkScreen.SignUp.route,
email = null
)
val expected = LinkAppBarState(
navigationIcon = R.drawable.ic_link_close,
showHeader = true,
showOverflowMenu = false,
email = null
)
assertThat(state).isEqualTo(expected)
}
private fun buildLinkAppBarState(
isRootScreen: Boolean,
currentRoute: String?,
email: String?
): LinkAppBarState {
var state: LinkAppBarState? = null
composeTestRule.setContent {
state = rememberLinkAppBarState(isRootScreen, currentRoute, email)
}
return state ?: throw AssertionError(
"buildLinkAppBarState should not produce null result"
)
}
}