mtlstats/test/FormatSpec.hs
2019-11-18 21:43:18 -05:00

177 lines
3.9 KiB
Haskell

{-
mtlstats
Copyright (C) 2019 Rhéal Lamothe
<rheal.lamothe@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-}
module FormatSpec (spec) where
import Test.Hspec (Spec, context, describe, it, shouldBe)
import Mtlstats.Format
spec :: Spec
spec = describe "Mtlstats.Format" $ do
padNumSpec
leftSpec
rightSpec
centreSpec
overlaySpec
monthSpec
labelTableSpec
numTableSpec
tableWithSpec
padNumSpec :: Spec
padNumSpec = describe "padNum" $ do
context "zero, four digits" $
it "should be 0000" $
padNum 4 0 `shouldBe` "0000"
context "123, four digits" $
it "should be 0123" $
padNum 4 123 `shouldBe` "0123"
context "12345, four digits" $
it "should be 12345" $
padNum 4 12345 `shouldBe` "12345"
context "-12, four digits" $
it "should be -012" $
padNum 4 (-12) `shouldBe` "-012"
context "-1234, four digits" $
it "should be -1234" $
padNum 4 (-1234) `shouldBe` "-1234"
leftSpec :: Spec
leftSpec = describe "left" $ do
context "fit" $
it "should pad the text" $
left 5 "foo" `shouldBe` "foo "
context "overflow" $
it "should truncate the text" $
left 2 "foo" `shouldBe` "fo"
rightSpec :: Spec
rightSpec = describe "right" $ do
context "fit" $
it "should pad the text" $
right 5 "foo" `shouldBe` " foo"
context "overflow" $
it "should truncate the text" $
right 2 "foo" `shouldBe` "oo"
centreSpec :: Spec
centreSpec = describe "centre" $ do
context "fit" $
it "should pad the text" $
centre 5 "foo" `shouldBe` " foo "
context "overflow" $
it "should truncate the text" $
centre 2 "foo" `shouldBe` "fo"
overlaySpec :: Spec
overlaySpec = describe "overlay" $ do
context "first string shorter" $
it "should overlay" $
overlay "foo" "abc123" `shouldBe` "foo123"
context "first string longer" $
it "should overlay" $
overlay "abc123" "foo" `shouldBe` "abc123"
monthSpec :: Spec
monthSpec = describe "month" $ do
context "January" $
it "should return \"JAN\"" $
month 1 `shouldBe` "JAN"
context "invalid" $
it "should return an empty string" $
month 0 `shouldBe` ""
labelTableSpec :: Spec
labelTableSpec = describe "labelTable" $
it "should format the table" $ let
input =
[ ( "foo", "bar" )
, ( "baz", "quux" )
, ( "longer", "x" )
]
expected =
[ " foo: bar"
, " baz: quux"
, "longer: x"
]
in labelTable input `shouldBe` expected
numTableSpec :: Spec
numTableSpec = describe "numTable" $
it "should format the table" $ let
headers = ["foo", "bar", "baz"]
rows =
[ ( "quux", [ 1, 2, 3 ] )
, ( "xyzzy", [ 9, 99, 999 ] )
]
expected =
[ " foo bar baz"
, " quux 1 2 3"
, "xyzzy 9 99 999"
]
in numTable headers rows `shouldBe` expected
tableWithSpec :: Spec
tableWithSpec = describe "tableWith" $ let
vals =
[ [ "foo", "bar", "baz" ]
, [ "quux", "xyzzy", "x" ]
]
in mapM_
(\(label, func, expected) -> context label $
it "should format the table" $
tableWith func vals `shouldBe` expected)
[ ( "align left"
, left
, [ "foo bar baz"
, "quux xyzzy x "
]
)
, ( "align right"
, right
, [ " foo bar baz"
, "quux xyzzy x"
]
)
]