public MethodTester assertDouble(final double expected) {
final Object[] localParameters = this.parameters;
this.expected.add(
clazz -> {
final Object obj = this.execute(clazz, localParameters);
assertThat(obj).isInstanceOf(Double.class);
assertThat((Double) obj).isCloseTo(expected, Offset.offset(0.0001));
});
return this;
}
@Test(dataProvider = "aggregateCases")
public void shouldAggregate(
@NotNull final Iterable<BigDecimal> values,
final boolean expectedIsCompleted,
@Nullable final BigDecimal expectedAggregatedValue) {
// Given
final ValueAggregator instance = createInstance();
// When
for (BigDecimal value : values) {
instance.aggregate(value);
}
// Then
then(instance.isCompleted()).isEqualTo(expectedIsCompleted);
if (expectedAggregatedValue == null) {
then(instance.tryGetAggregatedValue()).isNull();
} else {
then(instance.tryGetAggregatedValue())
.isCloseTo(expectedAggregatedValue, Offset.offset(new BigDecimal(.0001)));
}
}
/** @see com.kevinrschultz.weatherbuoy.ui.BuoyDetailViewModel */
@SmallTest
@RunWith(AndroidJUnit4.class)
public class BuoyDetailViewModelTest {
private static final Offset<Double> PRECISION = Offset.offset(0.01);
private static final double SPEED = 10.0;
private static final int WIND_DIRECTION = 90;
private static final WindCondition WIND_CONDTIONS = new WindCondition(SPEED, WIND_DIRECTION);
private static final double HEIGHT = 5.0;
private static final double PERIOD = 8.1;
private static final int WAVE_DIRECTION = 225;
private static final WaveCondition WAVE_CONDITION =
new WaveCondition(HEIGHT, PERIOD, WAVE_DIRECTION);
private MockInstrument mockInstrument;
private Compass mockCompass;
@Before
public void setUp() throws Exception {
mockInstrument = new MockInstrument();
mockCompass = mock(Compass.class);
}
@Test
public void testGetWindDirection() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeNauticalPreferences());
viewModel.updateWindDirection(mockInstrument, mockCompass);
verify(mockCompass).setWindDirection(WIND_DIRECTION);
assertThat(mockInstrument.value).isEqualTo("90");
assertThat(mockInstrument.units).isEqualTo("");
}
@Test
public void testGetWindSpeed_Imperial() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeImperialPreferences());
viewModel.updateWindSpeed(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("11.5");
assertThat(mockInstrument.units).isEqualTo("mph");
}
@Test
public void testGetWindSpeed_Metric() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeMetricPreferences());
viewModel.updateWindSpeed(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("18.5");
assertThat(mockInstrument.units).isEqualTo("kph");
}
public void testGetWindSpeed_Nautical() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeNauticalPreferences());
viewModel.updateWindSpeed(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("10.0");
assertThat(mockInstrument.units).isEqualTo("kts");
}
@Test
public void testGetWaveDirection() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeNauticalPreferences());
viewModel.updateWaveDirection(mockCompass);
verify(mockCompass).setWaveDirection(WAVE_CONDITION.getDirection());
}
@Test
public void testGetWavePeriod() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeNauticalPreferences());
viewModel.updateWavePeriod(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("8.1");
assertThat(mockInstrument.units).isEqualTo("s");
}
@Test
public void testGetWaveHeight_Imperial() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeImperialPreferences());
viewModel.updateWaveHeight(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("5.0");
assertThat(mockInstrument.units).isEqualTo("ft");
}
@Test
public void testGetWaveHeight_Metric() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeMetricPreferences());
viewModel.updateWaveHeight(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("1.5");
assertThat(mockInstrument.units).isEqualTo("m");
}
@Test
public void testGetWaveHeight_Nautical() {
BuoyDetailViewModel viewModel =
new BuoyDetailViewModel(WIND_CONDTIONS, WAVE_CONDITION, makeNauticalPreferences());
viewModel.updateWaveHeight(mockInstrument);
assertThat(mockInstrument.value).isEqualTo("5.0");
assertThat(mockInstrument.units).isEqualTo("ft");
}
private WeatherBuoyPreferences makeImperialPreferences() {
WeatherBuoyPreferences mockPreferences = mock(WeatherBuoyPreferences.class);
when(mockPreferences.getUserUnitSystem()).thenReturn(UnitSystem.IMPERIAL);
return mockPreferences;
}
private WeatherBuoyPreferences makeMetricPreferences() {
WeatherBuoyPreferences mockPreferences = mock(WeatherBuoyPreferences.class);
when(mockPreferences.getUserUnitSystem()).thenReturn(UnitSystem.METRIC);
return mockPreferences;
}
private WeatherBuoyPreferences makeNauticalPreferences() {
WeatherBuoyPreferences mockPreferences = mock(WeatherBuoyPreferences.class);
when(mockPreferences.getUserUnitSystem()).thenReturn(UnitSystem.NAUTICAL);
return mockPreferences;
}
private class MockInstrument implements Instrument {
public String label;
public String value;
public String units;
@Override
public void setLabel(String label) {
this.label = label;
}
@Override
public void updateReading(String value, String units) {
this.value = value;
this.units = units;
}
}
}
@Test
public void should_create_Offset() {
Float value = 0.8f;
Offset<Float> offset = Offset.offset(value);
assertThat(offset.value).isSameAs(value);
}
@Test
public void should_throw_error_if_value_is_negative() {
thrown.expectIllegalArgumentException(offsetValueIsNotPositive());
Offset.offset(-1f);
}
@Test
public void should_throw_error_if_value_is_null() {
thrown.expect(NullPointerException.class);
Float value = null;
Offset.offset(value);
}