1 files changed, 109 insertions, 0 deletions
diff --git a/node_modules/unique-stream/test/index.js b/node_modules/unique-stream/test/index.js
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+++ b/node_modules/unique-stream/test/index.js
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+var expect = require('chai').expect
+  , unique = require('..')
+  , Stream = require('stream')
+  , after = require('after')
+  , setImmediate = global.setImmediate || process.nextTick;
+
+describe('unique stream', function() {
+
+  function makeStream(type) {
+    var s = new Stream();
+    s.readable = true;
+
+    var n = 10;
+    var next = after(n, function () {
+      setImmediate(function () {
+        s.emit('end');
+      });
+    });
+
+    for (var i = 0; i < n; i++) {
+      var o = {
+        type: type,
+        name: 'name ' + i,
+        number: i * 10
+      };
+
+      (function (o) {
+        setImmediate(function () {
+          s.emit('data', o);
+          next();
+        });
+      })(o);
+    }
+    return s;
+  }
+
+  it('should be able to uniqueify objects based on JSON data', function(done) {
+    var aggregator = unique();
+    makeStream('a')
+      .pipe(aggregator);
+    makeStream('a')
+      .pipe(aggregator);
+
+    var n = 0;
+    aggregator
+      .on('data', function () {
+        n++;
+      })
+      .on('end', function () {
+        expect(n).to.equal(10);
+        done();
+      });
+  });
+
+  it('should be able to uniqueify objects based on a property', function(done) {
+    var aggregator = unique('number');
+    makeStream('a')
+      .pipe(aggregator);
+    makeStream('b')
+      .pipe(aggregator);
+
+    var n = 0;
+    aggregator
+      .on('data', function () {
+        n++;
+      })
+      .on('end', function () {
+        expect(n).to.equal(10);
+        done();
+      });
+  });
+
+  it('should be able to uniqueify objects based on a function', function(done) {
+    var aggregator = unique(function (data) {
+      return data.name;
+    });
+
+    makeStream('a')
+      .pipe(aggregator);
+    makeStream('b')
+      .pipe(aggregator);
+
+    var n = 0;
+    aggregator
+      .on('data', function () {
+        n++;
+      })
+      .on('end', function () {
+        expect(n).to.equal(10);
+        done();
+      });
+  });
+
+  it('should be able to handle uniqueness when not piped', function(done) {
+    var stream = unique();
+    var count = 0;
+    stream.on('data', function (data) {
+      expect(data).to.equal('hello');
+      count++;
+    });
+    stream.on('end', function() {
+      expect(count).to.equal(1);
+      done();
+    });
+    stream.write('hello');
+    stream.write('hello');
+    stream.end();
+  });
+});