elm/exercises/grade-school/tests/Tests.elm
Jay Hayes 4d81104a85 Skip all but first test of each example
This allows learners to gradually approach exercise. However, unlike
commented tests, the Elm compiler is still able to infer type
information from the skipped tests.
2017-07-05 15:35:15 -05:00

64 lines
2.5 KiB
Elm

module Tests exposing (..)
import Test exposing (..)
import Expect
import GradeSchool exposing (addStudent, studentsInGrade, allStudents)
tests : Test
tests =
describe "GradeSchool"
[ test "add student" <|
\() ->
Expect.equal [ "Aimee" ]
(GradeSchool.empty
|> addStudent 2 "Aimee"
|> studentsInGrade 2
)
, skip <|
test "add more students in same class" <|
\() ->
Expect.equal [ "Blair", "James", "Paul" ]
(GradeSchool.empty
|> addStudent 2 "James"
|> addStudent 2 "Blair"
|> addStudent 2 "Paul"
|> studentsInGrade 2
)
, skip <|
test "add students to different grades" <|
\() ->
Expect.equal [ [ "Chelsea" ], [ "Logan" ] ]
(let
school =
GradeSchool.empty
|> addStudent 3 "Chelsea"
|> addStudent 7 "Logan"
in
[ studentsInGrade 3 school, studentsInGrade 7 school ]
)
, skip <|
test "get students in a grade" <|
\() ->
Expect.equal [ "Bradley", "Franklin" ]
(GradeSchool.empty
|> addStudent 5 "Franklin"
|> addStudent 5 "Bradley"
|> addStudent 1 "Jeff"
|> studentsInGrade 5
)
, skip <|
test "get all students in the school" <|
\() ->
Expect.equal [ ( 3, [ "Kyle" ] ), ( 4, [ "Christopher", "Jennifer" ] ), ( 6, [ "Kareem" ] ) ]
(GradeSchool.empty
|> addStudent 4 "Jennifer"
|> addStudent 6 "Kareem"
|> addStudent 4 "Christopher"
|> addStudent 3 "Kyle"
|> allStudents
)
, skip <|
test "get students in a non-existent grade" <|
\() -> Expect.equal [] (studentsInGrade 1 GradeSchool.empty)
]