Improve Haskell documentation and bild test

Added docs to core libraries and expanded the Example.hs test to test for all
the things I want to support in a build.

2 files changed, 38 insertions, 1 deletions

diff --git a/Biz/Bild/Deps/Haskell.nix b/Biz/Bild/Deps/Haskell.nix
index 8115688..04f3a74 100644
--- a/Biz/Bild/Deps/Haskell.nix
+++ b/Biz/Bild/Deps/Haskell.nix
@@ -44,6 +44,7 @@
   "regex-applicative"
   "req"
   "safecopy"
+  "saltine"
   "servant"
   "servant-auth"
   "servant-auth-server"
diff --git a/Biz/Bild/Example.hs b/Biz/Bild/Example.hs
index 87472bb..66812ba 100644
--- a/Biz/Bild/Example.hs
+++ b/Biz/Bild/Example.hs
@@ -1,9 +1,45 @@
+{-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 
 -- : out example
 module Biz.Bild.Example where
 
+-- Both internal and external language dependencies are detected automatically
+-- by bild, for example here we import 'Crypto.Saltine' and list 'saltine' in
+-- 'Deps/Haskell.nix' to indicate that this is the package we want made
+-- available to bild, which will index the external package and record its
+-- modules for lookup.
 import Alpha
+import qualified Biz.Cli as Cli
+import qualified Biz.Test as Test
+import qualified Crypto.Saltine as Saltine
+import qualified Crypto.Saltine.Core.SecretBox as Saltine
 
 main :: IO ()
-main = putStrLn "Hello world"
+main = Cli.main <| Cli.Plan help move test pure
+
+move :: Cli.Arguments -> IO ()
+move _ = putStrLn "Hello world"
+
+test :: Test.Tree
+test =
+  Test.group
+    "Biz.Bild.Example"
+    [ Test.unit "can use saltine package" <| do
+        Saltine.sodiumInit
+        k <- Saltine.newKey
+        n <- Saltine.newNonce
+        let msg = "foobar"
+        let encryptedMsg = Saltine.secretbox k n <| str "foobar"
+        Just msg Test.@=? str </ Saltine.secretboxOpen k n encryptedMsg
+    ]
+
+help :: Cli.Docopt
+help =
+  [Cli.docopt|
+example that tests basic haskell build
+
+Usage:
+  example
+  example test
+|]