feat: add caller filename

pimp colors

bft.js

@@ -4,7 +4,4 @@ global.test = require('./').test;
 process.argv
   .slice(2)
   .map((x) => require('path').resolve(x))
-  .forEach((testfile) => {
-    process.stdout.write(`${testfile}\n`);
-    return require(testfile);
-  });
+  .forEach((testfile) => require(testfile));

index.js

@@ -1,33 +1,44 @@
 /**
  * test function for `bft`
  *
- * @param {string} name - name of test
+ * @param {string} description - description of test
  * @param {function|Promise<void>} [assertion] - test code
  */
-module.exports.test = async (name, assertion = null) => {
+module.exports.test = async (description, assertion = null) => {
   const log = (txt) => {
     return process.stdout.write(
       process.stdout.hasColors && process.stdout.hasColors() === true
         ? txt
-            .replace(/^PASSED/, '\x1b[32mPASSED\x1b[39m')
-            .replace(/^FAILED/, '\x1b[31mFAILED\x1b[39m')
-            .replace(/^SKIPPED/, '\x1b[2mSKIPPED\x1b[0m')
+            .replace(/^PASSED/, '\x1b[32mPASSED\x1b[0m')
+            .replace(/^FAILED/, '\x1b[31mFAILED\x1b[0m')
+            .replace(/^SKIPPED/, '\x1b[33mSKIPPED\x1b[0m')
         : txt
     );
   };
+  const [, , caller] = new Error().stack.split('at ');
+  const [, filename] = caller.match(/\((.*)\)/);
+  const origin =
+    process.stdout.hasColors && process.stdout.hasColors() === true
+      ? `\x1b[2m${filename}\x1b[0m`
+      : filename;
+
+  const name = 
+    process.stdout.hasColors && process.stdout.hasColors() === true
+      ? `\x1b[1m${description}\x1b[0m`
+      : description;
   setImmediate(async () => {
     try {
       if (assertion === null) {
-        log(`SKIPPED\t${name}`);
+        log(`SKIPPED\t${name} << ${origin}`);
         return;
       }
 
       const result = assertion();
       await result;
 
-      log(`PASSED\t${name}`);
+      log(`PASSED\t${name} << ${origin}`);
     } catch (err) {
-      log(`FAILED\t${name}`);
+      log(`FAILED\t${name} << ${origin}`);
       const lines = err.stack
         .split('\n')
         .map((x) => `\t${x}`)