ignore json files which do not contain test/fixtures

.publishrc

@@ -8,7 +8,7 @@
     "gitTag": true
   },
   "confirm": false,
-  "publishTag": "latest",
+  "publishTag": "rc",
   "prePublishScript": "gulp test-server",
   "postPublishScript": "gulp docker-publish"
 }

package.json

@@ -2,7 +2,7 @@
   "name": "testcafe",
   "description": "Automated browser testing for the modern web development stack.",
   "license": "MIT",
-  "version": "1.20.0",
+  "version": "1.20.1-rc.1",
   "author": {
     "name": "Developer Express Inc.",
     "url": "https://www.devexpress.com/"

src/compiler/test-file/formats/dev-tools/compiler.ts

@@ -47,15 +47,23 @@ export default class DevToolsTestFileCompiler extends RawTestFileCompiler {
     compile (code: string, filename: string): Test[] {
         this.raw = JSON.parse(TEST_BASE);
 
-        return super.compile(this._preProcess(code), filename);
+        const preprocessedCode = this._preProcess(code);
+
+        if (!preprocessedCode)
+            return [];
+
+        return super.compile(preprocessedCode, filename);
     }
 
-    _preProcess (code: string): string {
+    _preProcess (code: string): string | null {
         const parsedCode = JSON.parse(code);
 
         this._fixture.name = parsedCode.title;
         this._test.name    = parsedCode.title;
 
+        if (!parsedCode.steps)
+            return null;
+
         parsedCode.steps.forEach((step: DevToolsRecorderStep, i: number) => this._processStep(step, i));
 
         return JSON.stringify(this.raw);

test/functional/fixtures/api/json/test.js

@@ -57,4 +57,14 @@ describe('[API] DevTools Compiler', function () {
                 expect(errs[0]).contains('shadow button clicked');
             });
     });
+
+    it('JSON without tests', function () {
+        return runTests('./testcafe-fixtures/json-without-test.json', null, {
+            only:       'chrome',
+            shouldFail: true,
+        })
+            .catch(err => {
+                expect(err.message).contains('Source files do not contain valid \'fixture\' and \'test\' declarations.');
+            });
+    });
 });

test/functional/fixtures/api/json/testcafe-fixtures/json-without-test.json

@@ -0,0 +1,3 @@
+{
+  "custom": "json"
+}