dot.dot.dot.exampol

node_modules/runforcover/test/index.js

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+require('./interface').coverageInterface()

node_modules/runforcover/test/interface.js

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+var assert = require('assert');
+var runforcover = require('../');
+
+exports.coverageInterface = function() {
+  assert.ok(runforcover.cover);
+
+  var originalRequire = require.extensions['.js'];
+
+  var coverage = runforcover.cover();
+
+  assert.notEqual(originalRequire, require.extensions['.js']);
+
+  var file = require('./src/coverage');
+
+  coverage(function(coverageData) {
+    assert.equal(Object.keys(coverageData).length, 1);
+    assert.equal(Object.keys(coverageData)[0], __dirname + '/src/coverage.js');
+
+    var fileCoverageData = coverageData[Object.keys(coverageData)[0]]; 
+
+    assert.ok(fileCoverageData.stats);
+    assert.ok(fileCoverageData.missing);
+
+    var stats = fileCoverageData.stats();
+
+    assert.ok(stats.percentage !== undefined);
+    assert.ok(stats.lines !== undefined);
+    assert.ok(stats.missing !== undefined);
+    assert.ok(stats.seen !== undefined);
+
+    assert.equal(stats.lines.length, 3);
+    assert.equal(stats.lines[0].source(), '  if(a > 0) {');
+    assert.equal(stats.lines[1].source(), '    return a + 1;');
+    assert.equal(stats.lines[2].source(), '    return a - 1;');
+
+    file.something(1);
+    stats = fileCoverageData.stats();
+
+    assert.equal(stats.lines.length, 1);
+    assert.equal(stats.lines[0].source(), '    return a - 1;');
+
+    file.something(-1);
+    stats = fileCoverageData.stats();
+
+    assert.equal(stats.lines.length, 0);
+
+    coverage.release();
+    assert.equal(require.extensions['.js'], originalRequire); 
+  });
+};

node_modules/runforcover/test/src/coverage.js

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+exports.something = function(a) {
+  if(a > 0) {
+    return a + 1;
+  } else {
+    return a - 1;
+  }
+};