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fix: order of parameters on Ap

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-07-14 13:20:00 +02:00
parent e42d399509
commit e350f70659
31 changed files with 373 additions and 231 deletions
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24
either/either_test.go
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@@ -19,7 +19,7 @@ func TestDefault(t *testing.T) {
func TestIsLeft(t *testing.T) {
err := errors.New("Some error")
withError := Left[error, string](err)
withError := Left[string](err)
assert.True(t, IsLeft(withError))
assert.False(t, IsRight(withError))
@@ -37,7 +37,7 @@ func TestMapEither(t *testing.T) {
assert.Equal(t, F.Pipe1(Right[error]("abc"), Map[error](utils.StringLen)), Right[error](3))
val2 := F.Pipe1(Left[string, string]("s"), Map[string](utils.StringLen))
exp2 := Left[string, int]("s")
exp2 := Left[int]("s")
assert.Equal(t, val2, exp2)
}
@@ -45,7 +45,7 @@ func TestMapEither(t *testing.T) {
func TestUnwrapError(t *testing.T) {
a := ""
err := errors.New("Some error")
withError := Left[error, string](err)
withError := Left[string](err)
res, extracted := UnwrapError(withError)
assert.Equal(t, a, res)
@@ -65,16 +65,16 @@ func TestReduce(t *testing.T) {
func TestAp(t *testing.T) {
f := S.Size
assert.Equal(t, Right[string](3), F.Pipe1(Right[string](f), Ap[string, string, int](Right[string]("abc"))))
assert.Equal(t, Left[string, int]("maError"), F.Pipe1(Right[string](f), Ap[string, string, int](Left[string, string]("maError"))))
assert.Equal(t, Left[string, int]("mabError"), F.Pipe1(Left[string, func(string) int]("mabError"), Ap[string, string, int](Left[string, string]("maError"))))
assert.Equal(t, Right[string](3), F.Pipe1(Right[string](f), Ap[int, string, string](Right[string]("abc"))))
assert.Equal(t, Left[int]("maError"), F.Pipe1(Right[string](f), Ap[int, string, string](Left[string, string]("maError"))))
assert.Equal(t, Left[int]("mabError"), F.Pipe1(Left[func(string) int]("mabError"), Ap[int, string, string](Left[string, string]("maError"))))
}
func TestAlt(t *testing.T) {
assert.Equal(t, Right[string](1), F.Pipe1(Right[string](1), Alt(F.Constant(Right[string](2)))))
assert.Equal(t, Right[string](1), F.Pipe1(Right[string](1), Alt(F.Constant(Left[string, int]("a")))))
assert.Equal(t, Right[string](2), F.Pipe1(Left[string, int]("b"), Alt(F.Constant(Right[string](2)))))
assert.Equal(t, Left[string, int]("b"), F.Pipe1(Left[string, int]("a"), Alt(F.Constant(Left[string, int]("b")))))
assert.Equal(t, Right[string](1), F.Pipe1(Right[string](1), Alt(F.Constant(Left[int]("a")))))
assert.Equal(t, Right[string](2), F.Pipe1(Left[int]("b"), Alt(F.Constant(Right[string](2)))))
assert.Equal(t, Left[int]("b"), F.Pipe1(Left[int]("a"), Alt(F.Constant(Left[int]("b")))))
}
func TestChainFirst(t *testing.T) {
@@ -92,11 +92,11 @@ func TestChainOptionK(t *testing.T) {
return O.None[int]()
})
assert.Equal(t, Right[string](1), f(Right[string](1)))
assert.Equal(t, Left[string, int]("a"), f(Right[string](-1)))
assert.Equal(t, Left[string, int]("b"), f(Left[string, int]("b")))
assert.Equal(t, Left[int]("a"), f(Right[string](-1)))
assert.Equal(t, Left[int]("b"), f(Left[int]("b")))
}
func TestFromOption(t *testing.T) {
assert.Equal(t, Left[string, int]("none"), FromOption[string, int](F.Constant("none"))(O.None[int]()))
assert.Equal(t, Left[int]("none"), FromOption[string, int](F.Constant("none"))(O.None[int]()))
assert.Equal(t, Right[string](1), FromOption[string, int](F.Constant("none"))(O.Some(1)))
}