110 lines
4.6 KiB
Kotlin
110 lines
4.6 KiB
Kotlin
package cash.z.android.wallet.ui.presenter
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import cash.z.wallet.sdk.data.Synchronizer
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import cash.z.wallet.sdk.ext.convertZatoshiToZecString
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import cash.z.wallet.sdk.ext.safelyConvertToBigDecimal
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import com.nhaarman.mockitokotlin2.*
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import org.junit.jupiter.api.AfterEach
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import org.junit.jupiter.api.Assertions.assertEquals
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import org.junit.jupiter.api.Assertions.assertTrue
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import org.junit.jupiter.api.BeforeEach
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import org.junit.jupiter.api.Test
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import org.junit.jupiter.api.extension.ExtendWith
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import org.mockito.ArgumentMatchers.anyString
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import org.mockito.Mock
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import org.mockito.junit.jupiter.MockitoExtension
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import java.math.BigDecimal
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import java.math.RoundingMode
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@ExtendWith(MockitoExtension::class)
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internal class SendPresenterTest {
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@Mock val view: SendPresenter.SendView = mock()
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lateinit var presenter: SendPresenter
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@BeforeEach
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fun setUp(@Mock synchronizer: Synchronizer) {
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presenter = SendPresenter(view, synchronizer)
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}
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@AfterEach
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fun tearDown() {
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}
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@Test
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fun headerUpdating_leadingZeros() {
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presenter.headerUpdating("007")
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verify(view).setSubheaderValue("0.14", true)
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}
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@Test
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fun headerUpdating_commas() {
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presenter.headerUpdating("1,000")
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verify(view).setSubheaderValue("20.38", true)
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}
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@Test
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fun headerUpdating_badInputCommas() {
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presenter.headerUpdating("34,5")
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assertTrue(presenter.sendUiModel.isUsdSelected)
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verify(view).setSubheaderValue("7.03", true)
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}
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@Test
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fun headerValidated_roundDown() {
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presenter.toggleCurrency()
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assertTrue(!presenter.sendUiModel.isUsdSelected, "zec should be selected to avoid testing conversions")
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presenter.headerValidated("1.1234561".safelyConvertToBigDecimal()!!)
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verify(view, atLeastOnce()).setHeaders(eq(false), eq("1.123456"), eq("55.13"))
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}
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@Test
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fun headerValidated_usdConversion() {
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assertTrue(presenter.sendUiModel.isUsdSelected, "expecting USD for this test")
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presenter.headerValidated("1000.045".safelyConvertToBigDecimal()!!)
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verify(view).setHeaders(eq(true), eq("1,000.04"), eq("20.379967"))
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}
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@Test
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fun headerValidated_roundUp() {
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presenter.toggleCurrency()
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assertTrue(!presenter.sendUiModel.isUsdSelected, "zec should be selected to avoid testing conversions")
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presenter.headerValidated("1.1234556".safelyConvertToBigDecimal()!!)
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verify(view).setHeaders(eq(false), eq("1.123456"), eq("55.13"))
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}
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@Test
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fun headerValidated_roundUpBankersRounding() {
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// banker's rounding follows odd up, even down
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// We'll encourage using that since it has good statistical properties and this rounding only happens in the UI
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presenter.toggleCurrency()
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assertTrue(!presenter.sendUiModel.isUsdSelected, "zec should be selected to avoid testing conversions")
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presenter.headerValidated("1.1234535".safelyConvertToBigDecimal()!!)
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assertEquals(112345350, presenter.sendUiModel.zecValue)
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assertEquals("1.123454", presenter.sendUiModel.zecValue.convertZatoshiToZecString(), "5 is odd, we should round up")
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presenter.headerValidated("1.1234565".safelyConvertToBigDecimal()!!)
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assertEquals(112345650, presenter.sendUiModel.zecValue)
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assertEquals("1.123456", presenter.sendUiModel.zecValue.convertZatoshiToZecString(), "6 is even, we should round down")
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}
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@Test
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fun parseSafely_commas() {
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assertEquals("3124", "3,124".safelyConvertToBigDecimal().toString())
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}
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@Test
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fun parseSafely_commasBad() {
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assertEquals("3124", ",3124".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "3,124".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "31,24".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "312,4".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "3124,".safelyConvertToBigDecimal().toString())
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assertEquals("3124", ",3,1,2,4,".safelyConvertToBigDecimal().toString())
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}
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@Test
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fun parseSafely_spaces() {
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assertEquals("3124", " 3124".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "3 124".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "31 24".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "312 4".safelyConvertToBigDecimal().toString())
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assertEquals("3124", "3124 ".safelyConvertToBigDecimal().toString())
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assertEquals("3124", " 3 1 2 4 ".safelyConvertToBigDecimal().toString())
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assertEquals("3124", " 3 12 4 ".safelyConvertToBigDecimal().toString())
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}
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} |