shard-kemal/spec/kemal_handler_spec.cr
2015-12-06 17:56:04 +02:00

197 lines
5.7 KiB
Crystal

require "./spec_helper"
describe "Kemal::Handler" do
it "routes" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do
"hello"
end
request = HTTP::Request.new("GET", "/")
response = kemal.call(request)
response.body.should eq("hello")
end
it "routes request with query string" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do |env|
"hello #{env.params["message"]}"
end
request = HTTP::Request.new("GET", "/?message=world")
response = kemal.call(request)
response.body.should eq("hello world")
end
it "routes request with multiple query strings" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do |env|
"hello #{env.params["message"]} time #{env.params["time"]}"
end
request = HTTP::Request.new("GET", "/?message=world&time=now")
response = kemal.call(request)
response.body.should eq("hello world time now")
end
it "route parameter has more precedence than query string arguments" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/:message" do |env|
"hello #{env.params["message"]}"
end
request = HTTP::Request.new("GET", "/world?message=coco")
response = kemal.call(request)
response.body.should eq("hello world")
end
it "parses simple JSON body" do
kemal = Kemal::Handler.new
kemal.add_route "POST", "/" do |env|
name = env.params["name"]
age = env.params["age"]
"Hello #{name} Age #{age}"
end
json_payload = {"name": "Serdar", "age": 26}
request = HTTP::Request.new(
"POST",
"/",
body: json_payload.to_json,
headers: HTTP::Headers{"Content-Type": "application/json"},
)
response = kemal.call(request)
response.body.should eq("Hello Serdar Age 26")
end
it "parses JSON with string array" do
kemal = Kemal::Handler.new
kemal.add_route "POST", "/" do |env|
skills = env.params["skills"] as Array
"Skills #{skills.each.join(',')}"
end
json_payload = {"skills": ["ruby", "crystal"]}
request = HTTP::Request.new(
"POST",
"/",
body: json_payload.to_json,
headers: HTTP::Headers{"Content-Type": "application/json"},
)
response = kemal.call(request)
response.body.should eq("Skills ruby,crystal")
end
it "parses JSON with json object array" do
kemal = Kemal::Handler.new
kemal.add_route "POST", "/" do |env|
skills = env.params["skills"] as Array
skills_from_languages = skills.map do |skill|
skill = skill as Hash
skill["language"]
end
"Skills #{skills_from_languages.each.join(',')}"
end
json_payload = {"skills": [{"language": "ruby"}, {"language": "crystal"}]}
request = HTTP::Request.new(
"POST",
"/",
body: json_payload.to_json,
headers: HTTP::Headers{"Content-Type": "application/json"},
)
response = kemal.call(request)
response.body.should eq("Skills ruby,crystal")
end
it "renders 404 on not found" do
kemal = Kemal::Handler.new
request = HTTP::Request.new("GET", "/?message=world")
response = kemal.call(request)
response.status_code.should eq 404
end
it "renders 500 on exception" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do
raise "Exception"
end
request = HTTP::Request.new("GET", "/?message=world")
response = kemal.call(request)
response.status_code.should eq 500
response.body.includes?("Exception").should eq true
end
it "checks for _method param in POST request to simulate PUT" do
kemal = Kemal::Handler.new
kemal.add_route "PUT", "/" do |env|
"Hello World from PUT"
end
request = HTTP::Request.new(
"POST",
"/",
body: "_method=PUT",
headers: HTTP::Headers{"Content-Type": "application/x-www-form-urlencoded"}
)
response = kemal.call(request)
response.body.should eq("Hello World from PUT")
end
it "checks for _method param in POST request to simulate PATCH" do
kemal = Kemal::Handler.new
kemal.add_route "PATCH", "/" do |env|
"Hello World from PATCH"
end
request = HTTP::Request.new(
"POST",
"/",
body: "_method=PATCH",
headers: HTTP::Headers{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"}
)
response = kemal.call(request)
response.body.should eq("Hello World from PATCH")
end
it "checks for _method param in POST request to simulate DELETE" do
kemal = Kemal::Handler.new
kemal.add_route "DELETE", "/" do |env|
"Hello World from DELETE"
end
json_payload = {"_method": "DELETE"}
request = HTTP::Request.new(
"POST",
"/",
body: json_payload.to_json,
headers: HTTP::Headers{"Content-Type": "application/json"}
)
response = kemal.call(request)
response.body.should eq("Hello World from DELETE")
end
it "can process HTTP HEAD requests for defined GET routes" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do |env|
"Hello World from GET"
end
request = HTTP::Request.new("HEAD", "/")
response = kemal.call(request)
response.status_code.should eq(200)
end
it "can't process HTTP HEAD requests for undefined GET routes" do
kemal = Kemal::Handler.new
request = HTTP::Request.new("HEAD", "/")
response = kemal.call(request)
response.status_code.should eq(404)
end
it "redirects user to provided url" do
kemal = Kemal::Handler.new
kemal.add_route "GET", "/" do |env|
env.redirect("/login")
end
request = HTTP::Request.new("GET", "/")
response = kemal.call(request)
response.status_code.should eq(301)
response.headers.has_key?("Location").should eq(true)
end
end