[patch] fix fail on not found (#22)

Author: mmisty

src/bin/cy-grep.js

@@ -234,11 +234,18 @@ try {
     }
   }
 
-  console.log(`${packagename} Running tests === `);
-
   let specPattern = getSpecPattern(fileSpecPatternOriginal);
   let specString = getSpecPatternVar(specPattern, grep, onlyRun);
 
+  if (process.env['CYPRESS_GREP_failOnNotFound'] === 'false' && specString === 'CYPRESS_SPEC_PATTERN="[]"') {
+    console.log(`${packagename} Not found any specs matching ${grepExpression}`);
+    console.log(`${packagename} To throw error when not found set CYPRESS_GREP_failOnNotFound to true`);
+    console.log(`${packagename} FINISHED (exit code: 0) === `);
+    process.exit(0);
+  }
+
+  console.log(`${packagename} Running tests === `);
+
   // to use from cypress config when not set
   const exclTests =
     showExcludedTests !== undefined ? `CYPRESS_GREP_showExcludedTests=${showExcludedTests === true}` : '';

src/setup/select-tests.ts

@@ -219,7 +219,7 @@ export const setupSelectTests = (
           `Not found any tests matching ${grepEnvVars.GREP} '${grep}' satisfying specPattern ${Cypress.env(
             'originalSpecPattern',
           )}`,
-          `To disable this error set \`failOnNotFound\` to \`false\` in registerCypressGrep or set environment variable ${grepEnvVars.failOnNotFound} to false`,
+          `To disable this error set environment variable \`${grepEnvVars.failOnNotFound}\` to false or set \`failOnNotFound\` to \`false\` in registerCypressGrep`,
         ];
         throw new Error(msg.join('\n'));
       }