rafa/test/unit/core/Stream-all.js

Rafa.js is a Javascript framework for building concurrent applications.

module.exports = (assert, Rafa) => {
  suite("all", () => {
    test("handles values", () => {
      var messages = [];
      var a = Rafa.stream();
      a.all(message => messages.push(message));
      a.push(Rafa.context(), Rafa.message(1));
      assert.equal(messages.length, 1);
      assert.isNotNull(messages[0]);
      assert.ok(messages[0].isValue);
      assert.equal(messages[0].value, 1);
    });

    test("handles errors", () => {
      var messages = [];
      var a = Rafa.stream();
      a.all(message => messages.push(message));
      a.push(Rafa.context(), Rafa.errorMessage(1));
      assert.equal(messages.length, 1);
      assert.isNotNull(messages[0]);
      assert.ok(messages[0].isError);
      assert.equal(messages[0].error, 1);
    });

    test("handles done", () => {
      var messages = [];
      var a = Rafa.stream();
      a.all(message => messages.push(message));
      a.push(Rafa.context(), Rafa.doneMessage(1));
      assert.equal(messages.length, 1);
      assert.isNotNull(messages[0]);
      assert.ok(messages[0].isDone);
      assert.equal(messages[0].value, 1);
    });

    test("call order", () => {
      var values = [];
      var stream = Rafa.stream();
      stream
        .all(m => { values.push(m.value); return m; })
        .all(m => { values.push(m.value * 2); return m; })
        .all(m => { values.push(m.value * 4); return m; });
      stream.push(Rafa.context(), Rafa.message(1));
      assert.equal(values[0], 1);
      assert.equal(values[1], 2);
      assert.equal(values[2], 4);
    });
  });
};