Don't look for unit tests in dot-files and gitignore files/dirs.

README.md

@@ -169,8 +169,10 @@ unit tests and functional tests. There are gulp targets to find and
 run the various kinds of tests, and the tests themselves use the [tape]
 framework.
 
-* Unit tests are in `*.jt` files anywhere in the repo; the build system
-will find these and execute them individually by running `node` on them.
+* Unit tests are in `*.jt` files anywhere in the repo (excepting
+  directories and files start with a dot and anything ignored by
+  `.gitignore`). The build system will find these and execute them
+  individually by running `node` on them.
 
 [tape]: https://www.npmjs.com/package/tape
 

gulpfile.js

@@ -1,6 +1,7 @@
 'use strict'
 
 const gulp = require('gulp')
+const exclude_gitignore = require('gulp-exclude-gitignore')
 
 gulp.task('test', ['unit-test'])
 
@@ -10,5 +11,6 @@ gulp.task('unit-test', () => {
         faucet = require('faucet')
     return gulp
         .src('**/*.jt')
+        .pipe(exclude_gitignore())
         .pipe(tape({ reporter: faucet() }))
 })

package.json

@@ -49,6 +49,7 @@
   "devDependencies": {
     "faucet": "0.0.1",
     "gulp": "^3.9.0",
+    "gulp-exclude-gitignore": "^1.0.0",
     "gulp-tape": "0.0.7",
     "tape": "^4.4.0"
   }