Add test for charset

integration/tests_ok/charset.exit

@@ -0,0 +1 @@
+0

integration/tests_ok/charset.hurl

@@ -0,0 +1,10 @@
+GET http://localhost:8000/charset/default
+HTTP/1.0 200
+Content-Type: text/html; charset=utf-8
+```<p>Hello World!</p>```
+
+GET http://localhost:8000/charset/uppercase
+HTTP/1.0 200
+Content-Type: text/html; charset=UTF-8
+[Asserts]
+body == "<p>Hello World!</p>"

integration/tests_ok/charset.py

@@ -0,0 +1,14 @@
+from app import app
+from flask import request, make_response
+
+
+@app.route("/charset/default")
+def charset_default():
+    return "<p>Hello World!</p>"
+
+
+@app.route("/charset/uppercase")
+def charset_uppercase():
+    resp = make_response("<p>Hello World!</p>")
+    resp.headers["Content-Type"] = "text/html; charset=UTF-8"
+    return resp