tmp: no buffer

Author: cometkim

scripts/ciTest.js

@@ -65,21 +65,31 @@ function runTests() {
         console.warn(`input.js does not exist in ${testDir}`);
       } else {
         console.log(`testing ${file}`);
+
         // note existsSync test already ensure that it is a directory
-        cp.exec(
-          `node input.js`,
-          { cwd: testDir, encoding: "utf8" },
-          function (error, stdout, stderr) {
-            console.log(stdout);
-
-            if (error !== null) {
-              console.log(`❌ error in ${file} with stderr:\n`, stderr);
-              throw error;
-            } else {
-              console.log("✅ success in", file);
-            }
+        let p = cp.spawn(`node`, ["input.js"], { cwd: testDir });
+
+        p.stdout
+          .setEncoding("utf8")
+          .on("data", line => {
+            console.log(line);
+          });
+
+        let error = '';
+        p.stderr
+          .setEncoding("utf8")
+          .on("data", line => {
+            error += line + "\n";
+          });
+
+        p.on("close", () => {
+          if (error) {
+            console.log(`❌ error in ${file} with stderr:\n`, error);
+            throw new Error(error);
+          } else {
+            console.log("✅ success in", file);
           }
-        );
+        });
       }
     });
   }