test: add basic tests for crystal and delegating lexers

.ameba.yml

@@ -1,9 +1,9 @@
 # This configuration file was generated by `ameba --gen-config`
-# on 2024-08-12 22:00:49 UTC using Ameba version 1.6.1.
+# on 2024-09-11 00:56:14 UTC using Ameba version 1.6.1.
 # The point is for the user to remove these configuration records
 # one by one as the reported problems are removed from the code base.
 
-# Problems found: 2
+# Problems found: 4
 # Run `ameba --only Documentation/DocumentationAdmonition` for details
 Documentation/DocumentationAdmonition:
   Description: Reports documentation admonitions
@@ -11,111 +11,10 @@ Documentation/DocumentationAdmonition:
   Excluded:
   - src/lexer.cr
   - src/actions.cr
+  - spec/examples/crystal/lexer_spec.cr
   Admonitions:
   - TODO
   - FIXME
   - BUG
   Enabled: true
   Severity: Warning
-
-# Problems found: 22
-# Run `ameba --only Lint/MissingBlockArgument` for details
-Lint/MissingBlockArgument:
-  Description: Disallows yielding method definitions without block argument
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Warning
-
-# Problems found: 1
-# Run `ameba --only Lint/NotNil` for details
-Lint/NotNil:
-  Description: Identifies usage of `not_nil!` calls
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Warning
-
-# Problems found: 34
-# Run `ameba --only Lint/ShadowingOuterLocalVar` for details
-Lint/ShadowingOuterLocalVar:
-  Description: Disallows the usage of the same name as outer local variables for block
-    or proc arguments
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Warning
-
-# Problems found: 1
-# Run `ameba --only Lint/UnreachableCode` for details
-Lint/UnreachableCode:
-  Description: Reports unreachable code
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Warning
-
-# Problems found: 6
-# Run `ameba --only Lint/UselessAssign` for details
-Lint/UselessAssign:
-  Description: Disallows useless variable assignments
-  ExcludeTypeDeclarations: false
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Warning
-
-# Problems found: 3
-# Run `ameba --only Naming/BlockParameterName` for details
-Naming/BlockParameterName:
-  Description: Disallows non-descriptive block parameter names
-  MinNameLength: 3
-  AllowNamesEndingInNumbers: true
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  AllowedNames:
-  - _
-  - e
-  - i
-  - j
-  - k
-  - v
-  - x
-  - y
-  - ex
-  - io
-  - ws
-  - op
-  - tx
-  - id
-  - ip
-  - k1
-  - k2
-  - v1
-  - v2
-  ForbiddenNames: []
-  Enabled: true
-  Severity: Convention
-
-# Problems found: 1
-# Run `ameba --only Naming/RescuedExceptionsVariableName` for details
-Naming/RescuedExceptionsVariableName:
-  Description: Makes sure that rescued exceptions variables are named as expected
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  AllowedNames:
-  - e
-  - ex
-  - exception
-  - error
-  Enabled: true
-  Severity: Convention
-
-# Problems found: 6
-# Run `ameba --only Naming/TypeNames` for details
-Naming/TypeNames:
-  Description: Enforces type names in camelcase manner
-  Excluded:
-  - pygments/tests/examplefiles/cr/test.cr
-  Enabled: true
-  Severity: Convention