improve test parser

Author: ShMcK

src/services/testRunner/parser.test.ts

@@ -15,6 +15,17 @@ ok 2 - Should also pass
 ok 1 - Should pass
 not ok 2 - This one fails
 ok 3 - Also passes
+`
+    expect(parser(example).ok).toBe(false)
+  })
+  test('should detect failure if no tests passed', () => {
+    const example = `
+# Starting...
+# 1 test suites found.
+
+#  FAIL  __tests__/sum.test.js
+
+not ok 1 ● sum › should add two numbers together
 `
     expect(parser(example).ok).toBe(false)
   })

src/services/testRunner/parser.ts

@@ -3,16 +3,27 @@ interface ParserOutput {
   message?: string
 }
 
+const fail = /^not ok \d+ .{1} (.+)+$/
+const ok = /^ok \d+ .{1} /
+
 const parser = (text: string): ParserOutput => {
   const lines = text.split('\n')
+  let hasPass = false
   for (const line of lines) {
-    // parse failed test
-    const match = line.match(/^not ok \d+ - (.+)+/)
-    if (!!match) {
-      return { ok: false, message: match[1] }
+    if (line.length) {
+      // parse failed test
+      const failRegex = fail.exec(line)
+      if (!!failRegex) {
+        return { ok: false, message: failRegex[1] }
+      }
+      if (!hasPass) {
+        if (!!ok.exec(line)) {
+          hasPass = true
+        }
+      }
     }
   }
-  return { ok: true }
+  return { ok: hasPass }
 }
 
 export default parser