Add some unit tests for SILE Writer

Author: alerque

test/Tests/Writers/SILE.hs

@@ -34,4 +34,45 @@ infix 4 =:
 (=:) = test sile
 
 tests :: [TestTree]
-tests = []
+tests = [testGroup "BlockQuote"
+          [ "simple" =: blockQuote (para "foo") =?>
+            "\\begin{BlockQuote}\nfoo\n\\end{BlockQuote}"
+          ]
+        ,testGroup "BulletList"
+          [ "simple" =: bulletList [para "foo", para "bar"] =?>
+            "\\begin{BulletList}\n\\ListItem{foo}\n\\ListItem{bar}\n\\end{BulletList}"
+          ]
+        ,testGroup "CodeBlock"
+          [ "simple" =: codeBlock "foo" =?>
+            "\\begin{CodeBlock}\nfoo\n\\end{CodeBlock}"
+          , "with id" =: codeBlockWith ("bar", ["stuff"], []) "foo" =?>
+            "\\begin[id=bar,classes=\"stuff\"]{CodeBlock}\nfoo\n\\end{CodeBlock}"
+          ]
+        , testGroup "definition lists"
+          [ "with internal link" =: definitionList [(link "#go" "" (str "testing"),
+             [plain (text "hi there")])] =?>
+            "\\begin[tight=true]{DefinitionList}\n\\term{\\pdf:link[id=go]{testing}}\n\\definition{hi there}\n\\end{DefinitionList}"
+          ]
+        , testGroup "Header"
+          [ "chapter" =: header 0 (text "foo") =?>
+            "\\Header[level=0,type=chapter]{foo}"
+          , "section" =: header 1 (text "foo") =?>
+            "\\Header[level=1,type=section]{foo}"
+          , "subsection" =: header 2 (text "foo") =?>
+            "\\Header[level=2,type=subsection]{foo}"
+          -- , "part" =: header 0 (text "foo") =?>
+          --   "\\Header[level=-1,type=part]{foo}"
+          , "unnumbered with id note" =:
+            headerWith ("foo",["unnumbered"],[]) 1
+              (text "foo" <> note (plain $ text "bar")) =?>
+            "\\Header[id=foo,classes=\"unnumbered\",level=1,type=section]{foo\\footnote{bar}}"
+          , "in list item" =: bulletList [header 2 (text "foo")] =?>
+            "\\begin{BulletList}\n\\ListItem{\\Header[level=2,type=subsection]{foo}}\n\\end{BulletList}"
+          , "in definition list item" =:
+            definitionList [(text "foo", [header 2 (text "bar"),
+                                          para $ text "baz"])] =?>
+            "\\begin{DefinitionList}\n\\term{foo}\n\\definition{\\Header[level=2,type=subsection]{bar}\n\nbaz}\n\\end{DefinitionList}"
+          , "containing image" =: header 1 (image "imgs/foo.jpg" "" (text "Alt text")) =?>
+            "\\Header[level=1,type=section]{\\img[src=imgs/foo.jpg]{Alt text}}"
+          ]
+        ]