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package cgeo.geocaching.location;
import static org.assertj.core.api.Assertions.assertThat;
import cgeo.CGeoTestCase;
import cgeo.geocaching.location.Units;
import cgeo.geocaching.settings.Settings;
import cgeo.geocaching.settings.TestSettings;
import org.apache.commons.lang3.StringUtils;
public class UnitsTest extends CGeoTestCase {
private static void assertDistance(final String expected, final float distance) {
final String actual = Units.getDistanceFromKilometers(distance);
if (!StringUtils.equals(expected, actual.replace(',', '.'))) { // make 1.2 the same as 1,2
fail("getHumanDistance(" + distance +
") [metric: " + (!Settings.useImperialUnits() ? "yes" : "no") +
"] fails to match " + expected + ": " + actual);
}
}
// Make method non-static so that Settings is initialized
@SuppressWarnings("static-method")
public void testDistance() {
assertThat(Units.getDistanceFromKilometers(null)).isEqualTo("?");
final boolean savedImperial = Settings.useImperialUnits();
try {
TestSettings.setUseImperialUnits(false);
assertDistance("123 km", 122.782f);
assertDistance("123 km", 123.456f);
assertDistance("12.3 km", 12.3456f);
assertDistance("1.23 km", 1.23456f);
assertDistance("123 m", 0.123456f);
TestSettings.setUseImperialUnits(true);
assertDistance("76.7 mi", 123.456f);
assertDistance("7.67 mi", 12.3456f);
assertDistance("0.77 mi", 1.23456f);
assertDistance("405 ft", 0.123456f);
assertDistance("40.5 ft", 0.0123456f);
} finally {
TestSettings.setUseImperialUnits(savedImperial);
}
}
// Make method non-static so that Settings is initialized
@SuppressWarnings("static-method")
public void testSpeed() {
assertThat(Units.getDistanceFromKilometers(null)).isEqualTo("?");
final boolean savedImperial = Settings.useImperialUnits();
try {
TestSettings.setUseImperialUnits(false);
assertSpeed("123 km/h", 122.782f);
assertSpeed("123 km/h", 123.456f);
assertSpeed("12 km/h", 12.3456f);
assertSpeed("1 km/h", 1.23456f);
assertSpeed("0 km/h", 0.123456f);
TestSettings.setUseImperialUnits(true);
assertSpeed("77 mph", 123.456f);
assertSpeed("8 mph", 12.3456f);
assertSpeed("1 mph", 1.23456f);
} finally {
TestSettings.setUseImperialUnits(savedImperial);
}
}
private static void assertSpeed(final String expected, final float kilometersPerHour) {
final String actual = Units.getSpeed(kilometersPerHour);
if (!StringUtils.equals(expected, actual.replace(',', '.'))) {
fail("speed " + actual + " does not match expected " + expected);
}
}
}
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