twistofreality / dilmun

     * While header names are case-insensitive, the casing of the header will

     * be preserved by this function, and returned from getHeaders().

     */

    function it_returns_a_new_request_with_a_header_update_in_a_case_insensitive_way()

    {

        $header = "FOO";

        $value = "qux";

        $request = $this->withHeader($header, $value);

        $request->getHeaderLine("foo")->shouldBe($value);

    }

    /**

     * Return an instance with the provided value replacing the specified header.

    /**

     * Return an instance with the provided value replacing the specified header.

     */

    function it_returns_a_new_request_with_a_header_update_with_an_array_of_values()

    {

        $header = "foo";

        $values = array("qux", "quux");

        $request = $this->withHeader($header, $values);

        $request->getHeaderLine($header)->shouldBe("qux,quux");

    }

    /**

     * This method MUST be implemented in such a way as to retain the

     * Existing values for the specified header will be maintained. The new

     * value(s) will be appended to the existing list.

     */

    function it_returns_a_new_request_with_a_header_added_with_an_array_of_values()

    {

        $header = "foo";

        $values = array("qux", "quux");

        $request = $this->withAddedHeader($header, $values);

        $request->getHeaderLine($header)->shouldBe("bar,baz,qux,quux");

    }

    /**

     * If the header did not exist previously, it will be added.

    /**

     * If the header did not exist previously, it will be added.

     */

    function it_returns_a_new_request_with_a_header_created_given_a_nonexistent_header()

    {

        $header = "bar";

        $values = array("qux", "quux");

        $request = $this->withAddedHeader($header, $values);

        $request->getHeaderLine($header)->shouldBe("qux,quux");

    }

    /**

     * This method MUST be implemented in such a way as to retain the