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new BoolAlgebra.all operator #3857

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merged 3 commits into from Jul 16, 2020
Merged

new BoolAlgebra.all operator #3857

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e9f9376
new BoolAlgebra.all operator
fokot Jun 23, 2020
86b774c
new BoolAlgebra.any operator
fokot Jun 29, 2020
437105a
Merge remote-tracking branch 'upstream/master' into boolalgebra.all
fokot Jul 13, 2020
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8 changes: 6 additions & 2 deletions test-tests/shared/src/test/scala/zio/test/BoolAlgebraSpec.scala
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Expand Up @@ -7,7 +7,9 @@ object BoolAlgebraSpec extends ZIOBaseSpec {

def spec = suite("BoolAlgebraSpec")(
test("all returns conjunction of values") {
assert(BoolAlgebra.all(List(success1, failure1, failure2)))(isSome(isFailure))
assert(BoolAlgebra.all(List(success1, failure1, failure2)))(isSome(isFailure)) &&
assert(BoolAlgebra.all(success1, failure1, failure2))(isFailure) &&
assert(BoolAlgebra.all(success1, success2))(isSuccess)
},
testM("and distributes over or") {
check(boolAlgebra, boolAlgebra, boolAlgebra)((a, b, c) => assert(a && (b || c))(equalTo((a && b) || (a && c))))
Expand All @@ -19,7 +21,9 @@ object BoolAlgebraSpec extends ZIOBaseSpec {
check(boolAlgebra, boolAlgebra)((a, b) => assert(a && b)(equalTo(b && a)))
},
test("any returns disjunction of values") {
assert(BoolAlgebra.any(List(success1, failure1, failure2)))(isSome(isSuccess))
assert(BoolAlgebra.any(List(success1, failure1, failure2)))(isSome(isSuccess)) &&
assert(BoolAlgebra.any(success1, failure1, failure2))(isSuccess) &&
assert(BoolAlgebra.any(failure1, failure2))(isFailure)
},
test("as maps values to constant value") {
assert((success1 && success2).as("value"))(equalTo(BoolAlgebra.success("value") && BoolAlgebra.success("value")))
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12 changes: 12 additions & 0 deletions test/shared/src/main/scala/zio/test/BoolAlgebra.scala
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Expand Up @@ -306,6 +306,12 @@ object BoolAlgebra {
def all[A](as: Iterable[BoolAlgebra[A]]): Option[BoolAlgebra[A]] =
if (as.isEmpty) None else Some(as.reduce(_ && _))

/**
* Returns a result that is the logical conjunction of all of the results
*/
def all[A](a: BoolAlgebra[A], as: BoolAlgebra[A]*): BoolAlgebra[A] =
as.foldLeft(a)(_ && _)

/**
* Constructs a result that is the logical conjunction of two results.
*/
Expand All @@ -319,6 +325,12 @@ object BoolAlgebra {
def any[A](as: Iterable[BoolAlgebra[A]]): Option[BoolAlgebra[A]] =
if (as.isEmpty) None else Some(as.reduce(_ || _))

/**
* Returns a result that is the logical disjunction of all of the results
*/
def any[A](a: BoolAlgebra[A], as: BoolAlgebra[A]*): BoolAlgebra[A] =
as.foldLeft(a)(_ || _)

/**
* Combines a collection of results to create a single result that succeeds
* if all of the results succeed.
Expand Down