Added minimal tests for bare lexer

test/Spec.hs

@@ -20,19 +20,6 @@ type Doc id = DocMarkup () id
 instance IsString (Doc String) where
   fromString = DocString
 
-main :: IO ()
-main = hspec $ do
-  describe "Lexer" do
-    it "bare string" do
-      "some string" `shouldLexTo` [(1, 1, Token "some"), (1, 5, Space), (1, 6, Token "string")]
-    it "emphasis" do
-      "has /emphatic/ content" `shouldLexTo` replicate 7 (0, 0, Space)
-  describe "Parser" do
-    it "Bold" do
-      "__bold__" `shouldParseTo` (DocBold (DocString "bold"))
-    it "Emphasis" do
-      "/emphasis/" `shouldParseTo` (DocEmphasis (DocString "emphasis"))
-
 shouldLexTo :: String -> [(Int, Int, Token)] -> Expectation
 shouldLexTo input expected =
   case lexer input of
@@ -40,3 +27,47 @@ shouldLexTo input expected =
       let actual = map (\(pos, tok) -> (sourceLine pos, sourceColumn pos, tok)) tokens
       actual `shouldBe` expected
     Left err -> expectationFailure $ "Parse error: " <> show err
+
+main :: IO ()
+main = hspec $ do
+  describe "Lexer" do
+    describe "minimal" do
+      it "bare string" someString
+      it "emphasis" emphatic
+      it "monospace" monospace
+      it "ignores nesting" ignoreNesting
+  describe "Parser" do
+    it "Bold" do
+      "__bold__" `shouldParseTo` (DocBold (DocString "bold"))
+    it "Emphasis" do
+      "/emphasis/" `shouldParseTo` (DocEmphasis (DocString "emphasis"))
+
+monospace :: Expectation
+monospace =
+  "@mono@"
+    `shouldLexTo` [ (1, 7, MonospaceOpen)
+                  , (1, 7, Token "mono")
+                  , (1, 7, MonospaceClose)
+                  ]
+
+ignoreNesting :: Expectation
+ignoreNesting =
+  ">/foo/"
+    `shouldLexTo` [ (1, 1, Token ">/foo/")
+                  ]
+
+emphatic :: Expectation
+emphatic =
+  "/emphatic/"
+    `shouldLexTo` [ (1, 11, EmphasisOpen)
+                  , (1, 11, Token "emphatic")
+                  , (1, 11, EmphasisClose)
+                  ]
+
+someString :: Expectation
+someString =
+  "some string"
+    `shouldLexTo` [ (1, 1, Token "some")
+                  , (1, 5, Space)
+                  , (1, 6, Token "string")
+                  ]