add new option 'fail-zero'

mochajs · Aug 12, 2021 · 110ffcc · 110ffcc
1 parent 09ffc30
commit 110ffcc
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Showing 4 changed files with 8 additions and 0 deletions.
diff --git a/lib/cli/run-option-metadata.js b/lib/cli/run-option-metadata.js
@@ -35,6 +35,7 @@ const TYPES = (exports.types = {
     'diff',
     'dry-run',
     'exit',
+    'fail-zero',
     'forbid-only',
     'forbid-pending',
     'full-trace',

diff --git a/lib/cli/run.js b/lib/cli/run.js
@@ -98,6 +98,10 @@ exports.builder = yargs =>
         requiresArg: true,
         coerce: list
       },
+      'fail-zero': {
+        description: 'Fail if no test(s) encountered',
+        group: GROUPS.RULES
+      },
       fgrep: {
         conflicts: 'grep',
         description: 'Only run tests containing this string',

diff --git a/lib/mocha.js b/lib/mocha.js
@@ -1025,6 +1025,7 @@ Mocha.prototype.run = function(fn) {
   const runner = new this._runnerClass(suite, {
     delay: options.delay,
     dryRun: options.dryRun,
+    failZero: options.failZero,
     cleanReferencesAfterRun: this._cleanReferencesAfterRun
   });
   createStatsCollector(runner);

diff --git a/lib/runner.js b/lib/runner.js
@@ -1044,6 +1044,8 @@ Runner.prototype.run = function(fn, opts = {}) {
   fn = fn || function() {};
 
   const end = () => {
+    if (!this.total && options.failZero) this.failures = 1;
+
     debug('run(): root suite completed; emitting %s', constants.EVENT_RUN_END);
     this.emit(constants.EVENT_RUN_END);
   };