Merge pull request github#12442 from aibaars/diagnostics-tests

Ruby: add some integration tests for diagnostic messages

Author: aibaars

ruby/extractor/src/diagnostics.rs

@@ -214,9 +214,9 @@ fn longest_backtick_sequence_length(text: &str) -> usize {
     }
     result
 }
-/**
- * An argument of a diagnostic message format string. A message argument is either a "code" snippet or a link.
- */
+
+/// An argument of a diagnostic message format string.
+/// A message argument is either a "code" snippet or a link.
 pub enum MessageArg<'a> {
     Code(&'a str),
     Link(&'a str, &'a str),

ruby/extractor/src/extractor.rs

@@ -294,7 +294,7 @@ impl<'a> Visitor<'a> {
             .diagnostics_writer
             .new_entry("parse-error", "Parse error");
         &mesg
-            .severity(diagnostics::Severity::Error)
+            .severity(diagnostics::Severity::Warning)
             .location(self.path, start_line, start_column, end_line, end_column)
             .message(message, args);
         if status_page {
@@ -405,7 +405,7 @@ impl<'a> Visitor<'a> {
                     loc,
                     self.diagnostics_writer
                         .new_entry("parse-error", "Parse error")
-                        .severity(diagnostics::Severity::Error)
+                        .severity(diagnostics::Severity::Warning)
                         .location(self.path, start_line, start_column, end_line, end_column)
                         .message(
                             "Unknown table type: {}",

ruby/ql/integration-tests/all-platforms/diagnostics/syntax-error/bad.rb

@@ -0,0 +1,3 @@
+4 %%% 5
+
+if 1; 2

ruby/ql/integration-tests/all-platforms/diagnostics/syntax-error/diagnostics.expected

@@ -0,0 +1,46 @@
+{
+  "helpLinks": [
+    "https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/customizing-code-scanning"
+  ],
+  "location": {
+    "endColumn": 5,
+    "endLine": 1,
+    "file": "<test-root-directory>/bad.rb",
+    "startColumn": 4,
+    "startLine": 1
+  },
+  "markdownMessage": "A parse error occurred. Check the syntax of the file. If the file is invalid, correct the error or [exclude](https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/customizing-code-scanning) the file from analysis.",
+  "plaintextMessage": "A parse error occurred. Check the syntax of the file. If the file is invalid, correct the error or exclude the file from analysis.",
+  "severity": "Warning",
+  "source": {
+    "extractorName": "ruby",
+    "id": "ruby/parse-error",
+    "name": "Parse error"
+  },
+  "visibility": {
+    "statusPage": true
+  }
+}
+{
+  "helpLinks": [
+    "https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/customizing-code-scanning"
+  ],
+  "location": {
+    "endColumn": 7,
+    "endLine": 3,
+    "file": "<test-root-directory>/bad.rb",
+    "startColumn": 8,
+    "startLine": 3
+  },
+  "markdownMessage": "A parse error occurred (expected `end` symbol). Check the syntax of the file. If the file is invalid, correct the error or [exclude](https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/customizing-code-scanning) the file from analysis.",
+  "plaintextMessage": "A parse error occurred (expected end symbol). Check the syntax of the file. If the file is invalid, correct the error or exclude the file from analysis.",
+  "severity": "Warning",
+  "source": {
+    "extractorName": "ruby",
+    "id": "ruby/parse-error",
+    "name": "Parse error"
+  },
+  "visibility": {
+    "statusPage": true
+  }
+}

ruby/ql/integration-tests/all-platforms/diagnostics/syntax-error/test.py

@@ -0,0 +1,7 @@
+import os
+from create_database_utils import *
+from diagnostics_test_utils import *
+
+run_codeql_database_create([], lang="ruby", runFunction = runSuccessfully, db = None)
+
+check_diagnostics()

ruby/ql/integration-tests/all-platforms/diagnostics/unknown-encoding/diagnostics.expected

@@ -0,0 +1,19 @@
+{
+  "helpLinks": [
+    "https://docs.ruby-lang.org/en/master/syntax/comments_rdoc.html#label-encoding+Directive"
+  ],
+  "location": {
+    "file": "<test-root-directory>/encoding.rb"
+  },
+  "markdownMessage": "Unknown character encoding `silly` in `#encoding:` [directive](https://docs.ruby-lang.org/en/master/syntax/comments_rdoc.html#label-encoding+Directive).",
+  "plaintextMessage": "Unknown character encoding silly in #encoding: directive.",
+  "severity": "Warning",
+  "source": {
+    "extractorName": "ruby",
+    "id": "ruby/unknown-character-encoding",
+    "name": "Unknown character encoding"
+  },
+  "visibility": {
+    "statusPage": true
+  }
+}

ruby/ql/integration-tests/all-platforms/diagnostics/unknown-encoding/encoding.rb

@@ -0,0 +1,5 @@
+# encoding: silly
+
+def f
+  puts "hello"
+end

ruby/ql/integration-tests/all-platforms/diagnostics/unknown-encoding/test.py

@@ -0,0 +1,7 @@
+import os
+from create_database_utils import *
+from diagnostics_test_utils import *
+
+run_codeql_database_create([], lang="ruby", runFunction = runSuccessfully, db = None)
+
+check_diagnostics()

ruby/ql/integration-tests/all-platforms/qlpack.yml

@@ -0,0 +1,3 @@
+dependencies:
+  codeql/ruby-all: '*'
+  codeql/ruby-queries: '*'

ruby/ql/lib/change-notes/2023-03-09-parse-error.md

@@ -0,0 +1,4 @@
+---
+ category: minorAnalysis
+---
+* The severity of parse errors was reduced to warning (previously error).