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67# "Include All" with gulp and karma-coverage
Example project using Require.js and file path patterns.
Prooving it is possible to get 0% coverage and not worry about
confliciting implementations.
> Note: you **don't need** to use Require.js across the solution.
---
---
Setup:
npm install
Run:
npm test
or:
gulp coverage
compare with:
gulp coverage_tested
---
### How is it working?
- Set pattern to match all files but include none:
```
{pattern: 'Scripts/App/**/*.js', included: false},
{pattern: 'Scripts/Test/**/*Spec.js', included: false},
```
- Configure require.js
```
var tests = [];
for (var file in window.__karma__.files) {
if (/Spec\.js$/.test(file)) {
tests.push(file);
}
}
require(['/base/Scripts/App/Calc.js']);
requirejs.config({
deps: tests,
callback: window.__karma__.start
});
```
- Use additional flag for Istanbul
```
coverageReporter: {
includeAllSources: true,
...
}
```