fix: e2e tests

Signed-off-by: Martin Chodur <m.chodur@seznam.cz>

examples/human_readable.html

@@ -56,6 +56,7 @@ <h2><a href="#check-formatting">check-formatting</a></h2>
 	  <ul>
 		<li>All rules expression is well formatted as would <code>promtool promql format</code> do or similar online tool such as https://o11y.tools/promqlparser/</li>
 		<li>All rules expression does not do any binary operations between histogram buckets, it can be dangerous because of inconsistency in the data if sent over remote write for example</li>
+		<li>All rules fails if any rule uses an emoji in metric name or labels</li>
 	  </ul>
 
   <h2><a href="#check-recording-rules">check-recording-rules</a></h2>

examples/human_readable.md

@@ -41,6 +41,7 @@ Validation rules:
   check-formatting
     - All rules expression is well formatted as would `promtool promql format` do or similar online tool such as https://o11y.tools/promqlparser/
     - All rules expression does not do any binary operations between histogram buckets, it can be dangerous because of inconsistency in the data if sent over remote write for example
+    - All rules fails if any rule uses an emoji in metric name or labels
 
   check-recording-rules
     - Recording rule Recorded metric name does not match regexp: ^foo_bar$

examples/rules/rules.yaml

@@ -68,9 +68,9 @@ groups:
           title: test alert
           playbook: http://foo.bar/nonexisting/playbook
 
-  # ignore_validations: hasLabels,expressionUsesExistingLabels,hasLabels,hasAnyOfAnnotations,hasAnnotations
+  # ignore_validations: hasLabels,expressionUsesExistingLabels,hasLabels,hasAnyOfAnnotations,hasAnnotations,expressionCanBeEvaluated,expressionIsWellFormatted
   - name: testUTF8
     limit: 10
     rules:
       - alert: test
-        expr: sum by ("foo.bar") (up)
+        expr: sum by ("foo.bar") ({"up"})