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Implement inequality operators (<, >, <=, >=) in the enable when statement #848

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Nov 25, 2021
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Review comment code changes.
  • Loading branch information
santosh-pingle committed Nov 25, 2021
commit 40b19077c8b73809765ff0f6924d0952ae038df9
65 changes: 31 additions & 34 deletions common/src/main/java/com/google/android/fhir/MoreTypes.kt
Original file line number Diff line number Diff line change
Expand Up @@ -42,42 +42,39 @@ fun equals(a: Type, b: Type): Boolean {
throw NotImplementedError("Comparison for type ${a::class.java} not supported.")
}

operator fun Type.compareTo(value: Type?): Int {
if (value != null) {
if (!this.fhirType().equals(value.fhirType())) {
throw IllegalArgumentException(
"Cannot compare different data types: ${this.fhirType()} and ${value.fhirType()}"
)
operator fun Type.compareTo(value: Type): Int {
if (!this.fhirType().equals(value.fhirType())) {
throw IllegalArgumentException(
"Cannot compare different data types: ${this.fhirType()} and ${value.fhirType()}"
)
}
when {
this.fhirType().equals("integer") -> {
return this.primitiveValue().toInt().compareTo(value.primitiveValue().toInt())
}
when {
this.fhirType().equals("integer") -> {
return this.primitiveValue().toInt().compareTo(value.primitiveValue().toInt())
}
this.fhirType().equals("decimal") -> {
return this.primitiveValue().toBigDecimal().compareTo(value.primitiveValue().toBigDecimal())
}
this.fhirType().equals("date") -> {
return clearTimeFromDateValue(this.dateTimeValue().value)
.compareTo(clearTimeFromDateValue(value.dateTimeValue().value))
}
this.fhirType().equals("dateTime") -> {
return this.dateTimeValue().value.compareTo(value.dateTimeValue().value)
}
this.fhirType().equals("Quantity") -> {
val quantity =
UnitConverter.getCanonicalForm(UcumValue((this as Quantity).code, this.value))
val anotherQuantity =
UnitConverter.getCanonicalForm(UcumValue((value as Quantity).code, value.value))
if (quantity.code != anotherQuantity.code) {
throw IllegalArgumentException(
"Cannot compare different quantity codes: ${quantity.code} and ${anotherQuantity.code}"
)
}
return quantity.value.compareTo(anotherQuantity.value)
}
else -> {
throw NotImplementedError()
this.fhirType().equals("decimal") -> {
return this.primitiveValue().toBigDecimal().compareTo(value.primitiveValue().toBigDecimal())
}
this.fhirType().equals("date") -> {
return clearTimeFromDateValue(this.dateTimeValue().value)
.compareTo(clearTimeFromDateValue(value.dateTimeValue().value))
}
this.fhirType().equals("dateTime") -> {
return this.dateTimeValue().value.compareTo(value.dateTimeValue().value)
}
this.fhirType().equals("Quantity") -> {
val quantity = UnitConverter.getCanonicalForm(UcumValue((this as Quantity).code, this.value))
val anotherQuantity =
UnitConverter.getCanonicalForm(UcumValue((value as Quantity).code, value.value))
if (quantity.code != anotherQuantity.code) {
throw IllegalArgumentException(
"Cannot compare different quantity codes: ${quantity.code} and ${anotherQuantity.code}"
)
}
return quantity.value.compareTo(anotherQuantity.value)
}
else -> {
throw NotImplementedError()
}
}
return 0
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,110 @@ class EnablementEvaluatorTest {
.isFalse()
}

@Test
fun evaluate_expectAnswerGreaterThanValue_someAnswerGreaterThanValue_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isTrue()
}

@Test
fun evaluate_expectAnswerGreaterThanValue_noAnswerGreaterThanValue_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isFalse()
}

@Test
fun evaluate_expectAnswerGreaterThanOrEqualToValue_someAnswerGreaterThanOrEqualToValue_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(10))
)
)
.isTrue()
}

@Test
fun evaluate_expectAnswerGreaterThanOrEqualToValue_noAnswerGreaterThanOrEqualToValue_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isFalse()
}

@Test
fun evaluate_expectAnswerLessThanValue_someAnswerLessThanValue_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isTrue()
}

@Test
fun evaluate_expectAnswerLessThanValue_noAnswerLessThanValue_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isFalse()
}

@Test
fun evaluate_expectAnswerLessThanOrEqualToValue_someAnswerLessThanOrEqualToValue_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(10))
)
)
.isTrue()
}

@Test
fun evaluate_expectAnswerLessThanOrEqualToValue_noAnswerLessThanOrEqualToValue_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isFalse()
}

@Test
fun evaluate_multipleEnableWhens_behaviorAny_noneSatisfied_shouldReturnFalse() {
evaluateEnableWhen(
Expand Down Expand Up @@ -383,110 +487,6 @@ class EnablementEvaluatorTest {
.isFalse()
}

@Test
fun evaluate_greaterThan_answersGreaterThanEnableWhenAnswer_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isTrue()
}

@Test
fun evaluate_greaterThan_noAnswersGreaterThanEnableWhenAnswer_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isFalse()
}

@Test
fun evaluate_greaterOrEqual_answersGreaterOrEqualEnableWhenAnswer_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(10))
)
)
.isTrue()
}

@Test
fun evaluate_greaterOrEqual_noAnswersGreaterOrEqualEnableWhenAnswer_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.GREATER_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isFalse()
}

@Test
fun evaluate_lessThan_answersLessThanEnableWhenAnswer_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(5))
)
)
.isTrue()
}

@Test
fun evaluate_lessThan_noAnswersLessThanEnableWhenAnswer_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_THAN,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isFalse()
}

@Test
fun evaluate_lessOrEqual_answerLessOrEqualEnableWhenAnswer_shouldReturnTrue() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(10))
)
)
.isTrue()
}

@Test
fun evaluate_lessOrEqual_noAnswerLessOrEqualEnableWhenAnswer_shouldReturnFalse() {
evaluateEnableWhen(
behavior = null,
EnableWhen(
operator = Questionnaire.QuestionnaireItemOperator.LESS_OR_EQUAL,
expected = IntegerType(10),
actual = listOf(IntegerType(20))
)
)
.isFalse()
}

/**
* Evaluates multiple `enableWhen` constraints according to the `behavior` (any or all).
*
Expand Down