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fix humidity to handle unexpected data (#62)

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Co-authored-by: «pmartinot» <«pmartinot@provatis.com»>
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pmartinot-tech 2026-02-09 10:50:47 +01:00 committed by GitHub
parent a47386fd8f
commit ec4f6af6b6
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2 changed files with 17 additions and 18 deletions
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15
src/main/java/com/github/prominence/openweathermap/api/model/Humidity.java
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@ -44,15 +44,13 @@ public class Humidity {
} }
/** /**
* Creates {@link Humidity} object with correctness check. * Creates {@link Humidity} object with safeguard to have min 0 and max 100 as value
* @param value humidity * @param value humidity
* @return created {@link Humidity} object * @return created {@link Humidity} object
*/ */
public static Humidity withValue(byte value) { public static Humidity withValue(byte value) {
if (value < 0 || value > 100) { int v = Math.max(0, Math.min(100, value));
throw new IllegalArgumentException("Humidity value must be in [0, 100] range."); return new Humidity((byte) v);
}
return new Humidity(value);
} }
/** /**
@ -68,13 +66,10 @@ public class Humidity {
* Sets humidity percentage value. * Sets humidity percentage value.
* *
* @param value new humidity value. * @param value new humidity value.
* @throws IllegalArgumentException in case if provided value isn't in allowed range. * Rounds to 0 or 100 if provided value isn't in allowed range.
*/ */
public void setValue(int value) { public void setValue(int value) {
if (value < 0 || value > 100) { this.value = Math.max(0, Math.min(100, value));
throw new IllegalArgumentException("Humidity value must be in [0, 100] range.");
}
this.value = value;
} }
/** /**

20
src/test/java/com/github/prominence/openweathermap/api/model/HumidityUnitTest.java
View File

@ -37,13 +37,15 @@ public class HumidityUnitTest {
} }
@Test @Test
public void whenCreateHumidityByConstructorWithInvalidDataAboveHundred_thenThrowAnException() { public void whenCreateHumidityByConstructorWithInvalidDataAboveHundred_thenValueIsMaxHundred() {
assertThrows(IllegalArgumentException.class, () -> Humidity.withValue((byte) 112)); Humidity h = Humidity.withValue((byte) 112);
assertEquals(100, h.getValue());
} }
@Test @Test
public void whenCreateHumidityByConstructorWithInvalidDataNegative_thenThrowAnException() { public void whenCreateHumidityByConstructorWithInvalidDataNegative_thenValueIsMinZero() {
assertThrows(IllegalArgumentException.class, () -> Humidity.withValue((byte) -33)); Humidity h = Humidity.withValue((byte) -33);
assertEquals(0, h.getValue());
} }
@Test @Test
@ -59,15 +61,17 @@ public class HumidityUnitTest {
} }
@Test @Test
public void whenCreateHumidityAndSetInvalidDataAboveHundred_thenThrowAnException() { public void whenCreateHumidityAndSetInvalidDataAboveHundred_thenValueIsMaxHundred() {
Humidity humidity = Humidity.withValue((byte) 12); Humidity humidity = Humidity.withValue((byte) 12);
assertThrows(IllegalArgumentException.class, () -> humidity.setValue((byte) 112)); humidity.setValue(112);
assertEquals(100, humidity.getValue());
} }
@Test @Test
public void whenCreateHumidityAndSetInvalidDataNegative_thenThrowAnException() { public void whenCreateHumidityAndSetInvalidDataNegative_thenValueIsMinZero() {
Humidity humidity = Humidity.withValue((byte) 88); Humidity humidity = Humidity.withValue((byte) 88);
assertThrows(IllegalArgumentException.class, () -> humidity.setValue((byte) -89)); humidity.setValue(-89);
assertEquals(0, humidity.getValue());
} }
@Test @Test