shard-kemal/spec/param_parser_spec.cr

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require "./spec_helper"
describe "ParamParser" do
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it "parses query params" do
route = Route.new "POST", "/" do |env|
hasan = env.params.query["hasan"]
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"Hello #{hasan}"
end
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request = HTTP::Request.new("POST", "/?hasan=cemal")
query_params = Kemal::ParamParser.new(request).query
query_params["hasan"].should eq "cemal"
end
it "parses url params" do
kemal = Kemal::RouteHandler::INSTANCE
kemal.add_route "POST", "/hello/:hasan" do |env|
"hello #{env.params.url["hasan"]}"
end
request = HTTP::Request.new("POST", "/hello/cemal")
# Radix tree MUST be run to parse url params.
io_with_context = create_request_and_return_io(kemal, request)
url_params = Kemal::ParamParser.new(request).url
url_params["hasan"].should eq "cemal"
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end
it "parses request body" do
route = Route.new "POST", "/" do |env|
name = env.params.query["name"]
age = env.params.query["age"]
hasan = env.params.body["hasan"]
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"Hello #{name} #{hasan} #{age}"
end
request = HTTP::Request.new(
"POST",
"/?hasan=cemal",
body: "name=serdar&age=99",
headers: HTTP::Headers{"Content-Type": "application/x-www-form-urlencoded"},
)
query_params = Kemal::ParamParser.new(request).query
query_params.should eq({"hasan" => "cemal"})
body_params = Kemal::ParamParser.new(request).body
body_params.should eq({"name" => "serdar", "age" => "99"})
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end
context "when content type is application/json" do
it "parses request body" do
route = Route.new "POST", "/" { }
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request = HTTP::Request.new(
"POST",
"/",
body: "{\"name\": \"Serdar\"}",
headers: HTTP::Headers{"Content-Type": "application/json"},
)
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json_params = Kemal::ParamParser.new(request).json
json_params.should eq({"name": "Serdar"})
end
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it "parses request body for array" do
route = Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
"/",
body: "[1]",
headers: HTTP::Headers{"Content-Type": "application/json"},
)
json_params = Kemal::ParamParser.new(request).json
json_params.should eq({"_json": [1]})
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end
it "parses request body and query params" do
route = Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
"/?foo=bar",
body: "[1]",
headers: HTTP::Headers{"Content-Type": "application/json"},
)
query_params = Kemal::ParamParser.new(request).query
query_params.should eq({"foo": "bar"})
json_params = Kemal::ParamParser.new(request).json
json_params.should eq({"_json": [1]})
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end
it "handles no request body" do
route = Route.new "GET", "/" { }
request = HTTP::Request.new(
"GET",
"/",
headers: HTTP::Headers{"Content-Type": "application/json"},
)
url_params = Kemal::ParamParser.new(request).url
url_params.should eq({} of String => String)
query_params = Kemal::ParamParser.new(request).query
query_params.should eq({} of String => String)
body_params = Kemal::ParamParser.new(request).body
body_params.should eq({} of String => String)
json_params = Kemal::ParamParser.new(request).json
json_params.should eq({} of String => AllParamTypes)
end
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end
context "when content type is incorrect" do
it "does not parse request body" do
route = Route.new "POST", "/" do |env|
name = env.params.body["name"]
age = env.params.body["age"]
hasan = env.params.query["hasan"]
"Hello #{name} #{hasan} #{age}"
end
request = HTTP::Request.new(
"POST",
"/?hasan=cemal",
body: "name=serdar&age=99",
headers: HTTP::Headers{"Content-Type": "text/plain"},
)
query_params = Kemal::ParamParser.new(request).query
query_params.should eq({"hasan" => "cemal"})
body_params = Kemal::ParamParser.new(request).body
body_params.should eq({} of String => String)
end
end
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end