{-

gemcap

Cooyright (C) Jonathan Lamothe <jonathan@jlamothe.net>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero 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
Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public
License along with this program.  If not, see
<https://www.gnu.org/licenses/>.

-}

{-# LANGUAGE OverloadedStrings #-}

module Network.Gemini.Capsule.EncodingSpec (spec) where

import Test.Hspec (Spec, context, describe, it, shouldBe)

import Network.Gemini.Capsule.Encoding
import Network.Gemini.Capsule.Types

spec :: Spec
spec = describe "Encoding" $ do
  encodeGemURLSpec
  decodeGemURLSpec
  escapeStringSpec
  unescapeStringSpec
  encodeGemResponseSpec

encodeGemURLSpec :: Spec
encodeGemURLSpec = describe "encodeGemURL" $ mapM_
  ( \(desc, req, expected) -> context desc $
    it ("should be " ++ show expected) $
      encodeGemURL req `shouldBe` expected
  )

  --  description,   request,       expected
  [ ( "simple",      simpleURL,     simpleExp     )
  , ( "with port",   withPortURL,   withPortExp   )
  , ( "with path",   withPathURL,   withPathExp   )
  , ( "with query",  withQueryURL,  withQueryExp  )
  , ( "blank query", blankQueryURL, blankQueryExp )
  , ( "with escape", withEscapeURL, withEscapeExp )
  ]

  where
    simpleURL     = newGemURL "example.com"
    simpleExp     = "gemini://example.com/"
    withPortURL   = simpleURL { gemPort = Just 1965 }
    withPortExp   = "gemini://example.com:1965/"
    withPathURL   = simpleURL { gemPath = ["foo", "bar"] }
    withPathExp   = "gemini://example.com/foo/bar"
    withQueryURL  = simpleURL { gemQuery = Just "foo" }
    withQueryExp  = "gemini://example.com/?foo"
    blankQueryURL = simpleURL { gemQuery = Just "" }
    blankQueryExp = "gemini://example.com/?"

    withEscapeURL = simpleURL
      { gemPath  = ["foo bar"]
      , gemQuery = Just "baz quux"
      }

    withEscapeExp = "gemini://example.com/foo%20bar?baz%20quux"

decodeGemURLSpec :: Spec
decodeGemURLSpec = describe "decodeGemURL" $ mapM_
  ( \(str, expected) -> context (show str) $
    it ("should be " ++ show expected) $
      decodeGemURL str `shouldBe` expected
  )

  --  URL string,   expected
  [ ( simpleStr,       Just simpleURL     )
  , ( withSlashStr,    Just simpleURL     )
  , ( withPathStr,     Just withPathURL   )
  , ( withQueryStr,    Just withQueryURL  )
  , ( pathQueryStr,    Just pathQueryURL  )
  , ( blankQueryStr,   Just blankQueryURL )
  , ( withFragmentStr, Just simpleURL     )
  , ( escapedStr,      Just escapedURL    )
  , ( httpStr,         Nothing            )
  , ( malformed,       Nothing            )
  , ( "",              Nothing            )
  ]

  where
    simpleStr       = "gemini://example.com"
    simpleURL       = newGemURL "example.com"
    withSlashStr    = simpleStr ++ "/"
    withPathStr     = simpleStr ++ "/foo/bar"
    withPathURL     = simpleURL { gemPath = ["foo", "bar"] }
    withQueryStr    = simpleStr ++ "?foo"
    withQueryURL    = simpleURL { gemQuery = Just "foo" }
    pathQueryStr    = withPathStr ++ "?baz"
    pathQueryURL    = withPathURL { gemQuery = Just "baz" }
    blankQueryStr   = simpleStr ++"?"
    blankQueryURL   = simpleURL { gemQuery = Just "" }
    withFragmentStr = simpleStr ++ "#foo"
    escapedStr      = simpleStr ++ "/foo%20bar/baz?quux%20stuff"

    escapedURL      = simpleURL
      { gemPath = ["foo bar", "baz"]
      , gemQuery = Just "quux stuff"
      }

    httpStr   = "http://example.com"
    malformed = "foo"

escapeStringSpec :: Spec
escapeStringSpec = describe "escapeString" $ mapM_
  ( \(input, expected) -> context (show input) $
    it ("should be " ++ show expected) $
      escapeString input `shouldBe` expected
  )

  --  input,               expected
  [ ( "~foo-bar_baz.quux", "~foo-bar_baz.quux"        )
  , ( "foo:/?=&#%",        "foo%3a%2f%3f%3d%26%23%25" )
  , ( "foo\xe9",           "foo%c3%a9"                )
  ]

unescapeStringSpec :: Spec
unescapeStringSpec = describe "unescapeString" $ mapM_
  ( \(input, expected) -> context (show input) $
    it ("should be " ++ show expected) $
      unescapeString input `shouldBe` expected
  )

  --  input,       expected
  [ ( "foo",       Just "foo"     )
  , ( "foo%20bar", Just "foo bar" )
  , ( "foo%7x",    Just "foo%7x"  )
  , ( "foo%a",     Just "foo%a"   )
  , ( "foo%",      Just "foo%"    )
  , ( "foo%c3%a9", Just "foo\xe9" )
  , ( "foo%ff",    Nothing        )
  ]

encodeGemResponseSpec :: Spec
encodeGemResponseSpec = describe "encodeGemResponse" $
  it ("should be " ++ show expect) $
    encodeGemResponse resp `shouldBe` expect
  where
    resp   = newGemResponse { respBody = Just "Success!\r\n" }
    expect = "20 text/gemini\r\nSuccess!\r\n"

--jl