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package com.mapbox.mapboxsdk.testapp.style;
import android.graphics.Color;
import android.support.test.runner.AndroidJUnit4;
import com.mapbox.mapboxsdk.style.expressions.Expression;
import com.mapbox.mapboxsdk.style.layers.FillLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.style.sources.Source;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.testapp.activity.BaseActivityTest;
import com.mapbox.mapboxsdk.testapp.activity.espresso.EspressoTestActivity;
import com.mapbox.mapboxsdk.testapp.utils.ResourceUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import timber.log.Timber;
import java.io.IOException;
import static com.mapbox.mapboxsdk.style.expressions.Expression.exponential;
import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
import static com.mapbox.mapboxsdk.style.expressions.Expression.interpolate;
import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
import static com.mapbox.mapboxsdk.style.expressions.Expression.match;
import static com.mapbox.mapboxsdk.style.expressions.Expression.rgb;
import static com.mapbox.mapboxsdk.style.expressions.Expression.rgba;
import static com.mapbox.mapboxsdk.style.expressions.Expression.step;
import static com.mapbox.mapboxsdk.style.expressions.Expression.stop;
import static com.mapbox.mapboxsdk.style.expressions.Expression.string;
import static com.mapbox.mapboxsdk.style.expressions.Expression.toColor;
import static com.mapbox.mapboxsdk.style.expressions.Expression.zoom;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillAntialias;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillOutlineColor;
import static com.mapbox.mapboxsdk.testapp.action.MapboxMapAction.invoke;
import static org.junit.Assert.assertEquals;
@RunWith(AndroidJUnit4.class)
public class ExpressionTest extends BaseActivityTest {
private FillLayer layer;
@Test
public void testConstantExpressionConversion() {
validateTestSetup();
setupStyle();
Timber.i("camera function");
invoke(mapboxMap, (uiController, mapboxMap) -> {
// create color expression
Expression inputExpression = rgba(255.0f, 0.0f, 0.0f, 1.0f);
// set color expression
layer.setProperties(
fillColor(inputExpression)
);
// get color value
int color = layer.getFillColor().getColorInt();
// compare
assertEquals("input expression should match", Color.RED, color);
});
}
@Test
public void testGetExpressionWrapping() {
validateTestSetup();
setupStyle();
Timber.i("camera function");
invoke(mapboxMap, (uiController, mapboxMap) -> {
// create get expression
Expression inputExpression = get("fill");
// set get expression
layer.setProperties(
fillColor(inputExpression)
);
// get actual expression
Expression actualExpression = layer.getFillColor().getExpression();
// create wrapped expected expression
Expression expectedExpression = toColor(get("fill"));
// compare
assertEquals("input expression should match", expectedExpression, actualExpression);
});
}
@Test
public void testCameraFunction() {
validateTestSetup();
setupStyle();
Timber.i("camera function");
invoke(mapboxMap, (uiController, mapboxMap) -> {
// create camera function expression
Expression inputExpression = interpolate(
exponential(0.5f), zoom(),
stop(1.0f, rgba(255.0f, 0.0f, 0.0f, 1.0f)),
stop(5.0f, rgba(0.0f, 0.0f, 255.0f, 1.0f)),
stop(10.0f, rgba(0.0f, 255.0f, 0.0f, 1.0f))
);
// set camera function expression
layer.setProperties(
fillColor(inputExpression)
);
// get camera function expression
Expression outputExpression = layer.getFillColor().getExpression();
// compare
assertEquals("input expression should match", inputExpression, outputExpression);
});
}
@Test
public void testSourceFunction() {
validateTestSetup();
setupStyle();
Timber.i("camera function");
invoke(mapboxMap, (uiController, mapboxMap) -> {
// create camera function expression
Expression inputExpression = toColor(get("fill"));
// set camera function expression
layer.setProperties(
fillColor(inputExpression)
);
// get camera function expression
Expression outputExpression = layer.getFillColor().getExpression();
// compare
assertEquals("input expression should match", inputExpression, outputExpression);
});
}
@Test
public void testCompositeFunction() {
validateTestSetup();
setupStyle();
Timber.i("camera function");
invoke(mapboxMap, (uiController, mapboxMap) -> {
// create camera function expression
Expression inputExpression = step(zoom(),
rgba(255.0f, 255.0f, 255.0f, 1.0f),
stop(7.0f, match(
string(get("name")),
literal("Westerpark"), rgba(255.0f, 0.0f, 0.0f, 1.0f),
rgba(255.0f, 255.0f, 255.0f, 1.0f)
)),
stop(8.0f, match(
string(get("name")),
literal("Westerpark"), rgba(0.0f, 0.0f, 255.0f, 1.0f),
rgba(255.0f, 255.0f, 255.0f, 1.0f)
))
);
// set camera function expression
layer.setProperties(
fillColor(inputExpression)
);
// get camera function expression
Expression outputExpression = layer.getFillColor().getExpression();
// compare
assertEquals("input expression should match", inputExpression, outputExpression);
});
}
@Test
public void testLiteralProperty() {
validateTestSetup();
setupStyle();
invoke(mapboxMap, (uiController, mapboxMap) -> {
layer.setProperties(
fillColor(literal("#4286f4"))
);
});
}
@Test
public void testLiteralMatchExpression() {
validateTestSetup();
setupStyle();
invoke(mapboxMap, (uiController, mapboxMap) -> {
Expression expression = match(literal("something"), literal(0f),
stop("1", get("1")),
stop("2", get("2")),
stop("3", get("3")),
stop("4", get("4"))
);
layer.setProperties(
fillColor(expression)
);
expression.toArray();
});
}
private void setupStyle() {
invoke(mapboxMap, (uiController, mapboxMap) -> {
// Add a source
Source source;
try {
source = new GeoJsonSource("amsterdam-parks-source",
ResourceUtils.readRawResource(rule.getActivity(), R.raw.amsterdam));
mapboxMap.addSource(source);
} catch (IOException ioException) {
return;
}
// Add a fill layer
mapboxMap.addLayer(layer = new FillLayer("amsterdam-parks-layer", source.getId())
.withProperties(
fillColor(rgba(0.0f, 0.0f, 0.0f, 0.5f)),
fillOutlineColor(rgb(0, 0, 255)),
fillAntialias(true)
)
);
});
}
@Override
protected Class getActivityClass() {
return EspressoTestActivity.class;
}
}
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