fix: improve snaptest rendering and add more inline tests

inline/tests/parser/snapshot.rs

@@ -25,29 +25,7 @@ impl AsSnapshot for Snapshot<&VecDeque<Inline>> {
 
 impl AsSnapshot for Snapshot<&Inline> {
     fn as_snapshot(&self) -> String {
-        let start = match self.0 {
-            Inline::Bold(_) => "Bold",
-            Inline::Italic(_) => "Italic",
-            Inline::Underline(_) => "Underline",
-            Inline::Subscript(_) => "Subscript",
-            Inline::Superscript(_) => "Superscript",
-            Inline::Overline(_) => "Overline",
-            Inline::Strikethrough(_) => "Strikethrough",
-            Inline::Highlight(_) => "Highlight",
-            Inline::Verbatim(_) => "Verbatim",
-            Inline::Quote(_) => "Quote",
-            Inline::Math(_) => "Math",
-            Inline::Parentheses(_) => "Parentheses",
-            Inline::TextGroup(_) => "TextGroup",
-            Inline::Attributes(_) => "Attributes",
-            Inline::Substitution(_) => "Substitution",
-            Inline::Newline(_) => "Newline",
-            Inline::Whitespace(_) => "Whitespace",
-            Inline::EndOfLine(_) => "EndOfLine",
-            Inline::Plain(_) => "Plain",
-            Inline::Multiple(_) => "Multiple",
-        };
-
+        let start = self.variant_str();
         let inner = Snapshot::snap(self.inner());
 
         let mut res = String::from(start);
@@ -62,6 +40,20 @@ impl AsSnapshot for Snapshot<&Inline> {
             res.push_str("    ");
             res.push_str(content);
             res.push('\n');
+
+            if matches!(
+                self.0,
+                Inline::Plain(_)
+                    | Inline::Verbatim(_)
+                    | Inline::Parentheses(_)
+                    | Inline::Newline(_)
+                    | Inline::Whitespace(_)
+                    | Inline::EndOfLine(_)
+            ) {
+                res.push_str("    ");
+                res.push_str(&"^".repeat(self.span().len_grapheme().unwrap_or(1)));
+                res.push('\n');
+            }
         }
 
         res.push_str(")\n");

inline/tests/spec/snapshots/lexer/bold/bold-not-bold.snap

@@ -1,6 +1,6 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'bold-not-bold' from: 'bold.yml'"
+info: "Test 'bold-not-bold' from 'bold.yml'"
 ---
 **Bold** not bold.
 **
@@ -9,8 +9,14 @@ info: "Test 'bold-not-bold' from: 'bold.yml'"
   ^^^^ -> Plain @ (1:3)->(1:7)
       **
       ^^ -> Bold @ (1:7)->(1:9)
-         not bold.
-        ^^^^^^^^^^ -> Plain @ (1:9)->(1:19)
+
+        ^ -> Whitespace @ (1:9)->(1:10)
+         not
+         ^^^ -> Plain @ (1:10)->(1:13)
+
+            ^ -> Whitespace @ (1:13)->(1:14)
+             bold.
+             ^^^^^ -> Plain @ (1:14)->(1:19)
                   ⏎
                   ^ -> Newline @ (1:19)->(2:1)
 

inline/tests/spec/snapshots/lexer/bold/not-bold.snap

@@ -1,12 +1,20 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'not-bold' from: 'bold.yml'"
+info: "Test 'not-bold' from 'bold.yml'"
 ---
 ** not bold **
 **
 ^^ -> Plain @ (1:1)->(1:3)
-   not bold 
-  ^^^^^^^^^^ -> Plain @ (1:3)->(1:13)
+
+  ^ -> Whitespace @ (1:3)->(1:4)
+   not
+   ^^^ -> Plain @ (1:4)->(1:7)
+
+      ^ -> Whitespace @ (1:7)->(1:8)
+       bold
+       ^^^^ -> Plain @ (1:8)->(1:12)
+
+           ^ -> Whitespace @ (1:12)->(1:13)
             **
             ^^ -> Plain @ (1:13)->(1:15)
               ⏎

inline/tests/spec/snapshots/lexer/bold/not-closed-bold.snap

@@ -1,12 +1,18 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'not-closed-bold' from: 'bold.yml'"
+info: "Test 'not-closed-bold' from 'bold.yml'"
 ---
 **not bold **
 **
 ^^ -> Plain @ (1:1)->(1:3)
-  not bold 
-  ^^^^^^^^^ -> Plain @ (1:3)->(1:12)
+  not
+  ^^^ -> Plain @ (1:3)->(1:6)
+
+     ^ -> Whitespace @ (1:6)->(1:7)
+      bold
+      ^^^^ -> Plain @ (1:7)->(1:11)
+
+          ^ -> Whitespace @ (1:11)->(1:12)
            **
            ^^ -> Plain @ (1:12)->(1:14)
              ⏎

inline/tests/spec/snapshots/lexer/bold/not-opened-bold.snap

@@ -1,12 +1,18 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'not-opened-bold' from: 'bold.yml'"
+info: "Test 'not-opened-bold' from 'bold.yml'"
 ---
 ** not bold**
 **
 ^^ -> Plain @ (1:1)->(1:3)
-   not bold
-  ^^^^^^^^^ -> Plain @ (1:3)->(1:12)
+
+  ^ -> Whitespace @ (1:3)->(1:4)
+   not
+   ^^^ -> Plain @ (1:4)->(1:7)
+
+      ^ -> Whitespace @ (1:7)->(1:8)
+       bold
+       ^^^^ -> Plain @ (1:8)->(1:12)
            **
            ^^ -> Plain @ (1:12)->(1:14)
              ⏎

inline/tests/spec/snapshots/lexer/plain/breaking-unicode.snap

@@ -1,10 +1,30 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'breaking-unicode' from: 'plain.yml'"
+info: "Test 'breaking-unicode' from 'plain.yml'"
 ---
 The character 𝛂 broke some stuff.
-The character 𝛂 broke some stuff.
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -> Plain @ (1:1)->(1:34)
+The
+^^^ -> Plain @ (1:1)->(1:4)
+
+   ^ -> Whitespace @ (1:4)->(1:5)
+    character
+    ^^^^^^^^^ -> Plain @ (1:5)->(1:14)
+
+             ^ -> Whitespace @ (1:14)->(1:15)
+              𝛂
+              ^ -> Plain @ (1:15)->(1:16)
+
+               ^ -> Whitespace @ (1:16)->(1:17)
+                broke
+                ^^^^^ -> Plain @ (1:17)->(1:22)
+
+                     ^ -> Whitespace @ (1:22)->(1:23)
+                      some
+                      ^^^^ -> Plain @ (1:23)->(1:27)
+
+                          ^ -> Whitespace @ (1:27)->(1:28)
+                           stuff.
+                           ^^^^^^ -> Plain @ (1:28)->(1:34)
                                  ⏎
                                  ^ -> Newline @ (1:34)->(2:1)
 

inline/tests/spec/snapshots/lexer/plain/simple-plain.snap

@@ -1,10 +1,14 @@
 ---
 source: inline/tests/lexer/mod.rs
-info: "Test 'simple-plain' from: 'plain.yml'"
+info: "Test 'simple-plain' from 'plain.yml'"
 ---
 Simple text.
-Simple text.
-^^^^^^^^^^^^ -> Plain @ (1:1)->(1:13)
+Simple
+^^^^^^ -> Plain @ (1:1)->(1:7)
+
+      ^ -> Whitespace @ (1:7)->(1:8)
+       text.
+       ^^^^^ -> Plain @ (1:8)->(1:13)
             ⏎
             ^ -> Newline @ (1:13)->(2:1)
 

inline/tests/spec/snapshots/parser/bold/bold-not-bold.snap

@@ -1,14 +1,16 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'bold-not-bold' from: 'bold.yml'"
+info: "Test 'bold-not-bold' from 'bold.yml'"
 ---
 Bold @ (1:1)->(1:9) (
     Plain @ (1:3)->(1:7) (
         Bold
+        ^^^^
     )
 )
 Plain @ (1:9)->(1:19) (
      not bold.
+    ^^^^^^^^^^
 )
 
 ---

inline/tests/spec/snapshots/parser/bold/not-bold.snap

@@ -1,9 +1,10 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'not-bold' from: 'bold.yml'"
+info: "Test 'not-bold' from 'bold.yml'"
 ---
 Plain @ (1:1)->(1:15) (
     ** not bold **
+    ^^^^^^^^^^^^^^
 )
 
 ---

inline/tests/spec/snapshots/parser/bold/not-closed-bold.snap

@@ -1,9 +1,10 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'not-closed-bold' from: 'bold.yml'"
+info: "Test 'not-closed-bold' from 'bold.yml'"
 ---
 Plain @ (1:1)->(1:14) (
     **not bold **
+    ^^^^^^^^^^^^^
 )
 
 ---

inline/tests/spec/snapshots/parser/bold/not-opened-bold.snap

@@ -1,9 +1,10 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'not-opened-bold' from: 'bold.yml'"
+info: "Test 'not-opened-bold' from 'bold.yml'"
 ---
 Plain @ (1:1)->(1:14) (
     ** not bold**
+    ^^^^^^^^^^^^^
 )
 
 ---

inline/tests/spec/snapshots/parser/bold/simple-bold.snap

@@ -1,10 +1,11 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'simple-bold' from: 'bold.yml'"
+info: "Test 'simple-bold' from 'bold.yml'"
 ---
 Bold @ (1:1)->(1:9) (
     Plain @ (1:3)->(1:7) (
         Bold
+        ^^^^
     )
 )
 

inline/tests/spec/snapshots/parser/plain/breaking-unicode.snap

@@ -1,9 +1,10 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'breaking-unicode' from: 'plain.yml'"
+info: "Test 'breaking-unicode' from 'plain.yml'"
 ---
 Plain @ (1:1)->(1:34) (
     The character 𝛂 broke some stuff.
+    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 )
 
 ---

inline/tests/spec/snapshots/parser/plain/simple-plain.snap

@@ -1,9 +1,10 @@
 ---
 source: inline/tests/parser/mod.rs
-info: "Test 'simple-plain' from: 'plain.yml'"
+info: "Test 'simple-plain' from 'plain.yml'"
 ---
 Plain @ (1:1)->(1:13) (
     Simple text.
+    ^^^^^^^^^^^^
 )
 
 ---