net.http.parser tests: Expand tests to include validation of results

spec/net_http_parser_spec.lua

@@ -1,15 +1,96 @@
-local httpstreams = { [[
+local http_parser = require "net.http.parser";
+
+local function test_stream(stream, expect)
+	local success_cb = spy.new(function (packet)
+		assert.is_table(packet);
+		assert.is_equal(expect.body, packet.body);
+	end);
+
+	stream = stream:gsub("\n", "\r\n");
+	local parser = http_parser.new(success_cb, error, stream:sub(1,4) == "HTTP" and "client" or "server")
+	for chunk in stream:gmatch("..?.?") do
+		parser:feed(chunk);
+	end
+
+	assert.spy(success_cb).was_called(expect.count or 1);
+end
+
+
+describe("net.http.parser", function()
+	describe("parser", function()
+		it("should handle requests with no content-length or body", function ()
+			test_stream(
+[[
 GET / HTTP/1.1
 Host: example.com
 
-]], [[
+]],
+				{
+					body = "";
+				}
+			);
+		end);
+
+		it("should handle responses with empty body", function ()
+			test_stream(
+[[
 HTTP/1.1 200 OK
 Content-Length: 0
 
-]], [[
+]],
+				{
+					body = "";
+				}
+			);
+		end);
+
+		it("should handle simple responses", function ()
+			test_stream(
+
+[[
 HTTP/1.1 200 OK
 Content-Length: 7
 
+Hello
+]],
+				{
+					body = "Hello\r\n", count = 1;
+				}
+			);
+		end);
+
+		it("should handle chunked encoding in responses", function ()
+			test_stream(
+
+[[
+HTTP/1.1 200 OK
+Transfer-Encoding: chunked
+
+1
+H
+1
+e
+2
+ll
+1
+o
+0
+
+
+]],
+				{
+					body = "Hello", count = 1;
+				}
+			);
+		end);
+
+		it("should handle a stream of responses", function ()
+			test_stream(
+
+[[
+HTTP/1.1 200 OK
+Content-Length: 5
+
 Hello
 HTTP/1.1 200 OK
 Transfer-Encoding: chunked
@@ -25,28 +106,11 @@ o
 0
 
 
-]]
-}
-
-
-local http_parser = require "net.http.parser";
-
-describe("net.http.parser", function()
-	describe("#new()", function()
-		it("should work", function()
-			for _, stream in ipairs(httpstreams) do
-				local success;
-				local function success_cb(packet)
-					success = true;
-				end
-				stream = stream:gsub("\n", "\r\n");
-				local parser = http_parser.new(success_cb, error, stream:sub(1,4) == "HTTP" and "client" or "server")
-				for chunk in stream:gmatch("..?.?") do
-					parser:feed(chunk);
-				end
-
-				assert.is_true(success);
-			end
+]],
+				{
+					body = "Hello", count = 2;
+				}
+			);
 		end);
 	end);
 end);