feat(3143): Add regex for stage setup or teardown job names

config/regex.js

@@ -121,5 +121,7 @@ module.exports = {
     // Provider Role. Can be arn:aws:iam::xxxxxx:role/some-role
     ROLE_ARN: /^arn:aws:iam::\d{12}:role\/.+/,
     // Stage setup pattern. Can be stage@stage-name:setup
-    STAGE_SETUP_PATTERN: /^stage@([\w-]+):setup$/
+    STAGE_SETUP_PATTERN: /^stage@([\w-]+):setup$/,
+    // Stage setup pattern. Can be stage@stage-name:setup or stage@stage-name:teardown
+    STAGE_SETUP_TEARDOWN_PATTERN: /^stage@([\w-]+):(setup|teardown)$/
 };

test/config/regex.test.js

@@ -524,4 +524,20 @@ describe('config regex', () => {
             });
         });
     });
+
+    describe('stageSetupTeardown', () => {
+        const stageSetupTeardownRegex = config.regex.STAGE_SETUP_TEARDOWN_PATTERN;
+
+        it('matches valid stage setup or teardown jobs', () => {
+            ['stage@alpha:setup', 'stage@alpha:teardown'].forEach(trigger => {
+                assert.isTrue(stageSetupTeardownRegex.test(trigger));
+            });
+        });
+
+        it('does not match invalid stage setup or teardown jobs', () => {
+            ['stage@alpha', 'alpha-deploy', 'alpha:setup', 'stage@setup'].forEach(trigger => {
+                assert.isFalse(stageSetupTeardownRegex.test(trigger));
+            });
+        });
+    });
 });