require 'rack/showexceptions'
require 'rack/lint'
require 'rack/mock'
describe Rack::ShowExceptions do
def show_exceptions(app)
Rack::Lint.new Rack::ShowExceptions.new(app)
end
it "catches exceptions" do
res = nil
req = Rack::MockRequest.new(
show_exceptions(
lambda{|env| raise RuntimeError }
))
lambda{
res = req.get("/", "HTTP_ACCEPT" => "text/html")
}.should.not.raise
res.should.be.a.server_error
res.status.should.equal 500
res.should =~ /RuntimeError/
res.should =~ /ShowExceptions/
end
it "responds with HTML only to requests accepting HTML" do
res = nil
req = Rack::MockRequest.new(
show_exceptions(
lambda{|env| raise RuntimeError, "It was never supposed to work" }
))
[
# Serve text/html when the client accepts text/html
["text/html", ["/", {"HTTP_ACCEPT" => "text/html"}]],
["text/html", ["/", {"HTTP_ACCEPT" => "*/*"}]],
# Serve text/plain when the client does not accept text/html
["text/plain", ["/"]],
["text/plain", ["/", {"HTTP_ACCEPT" => "application/json"}]]
].each do |exmime, rargs|
lambda{
res = req.get(*rargs)
}.should.not.raise
res.should.be.a.server_error
res.status.should.equal 500
res.content_type.should.equal exmime
res.body.should.include "RuntimeError"
res.body.should.include "It was never supposed to work"
if exmime == "text/html"
res.body.should.include '</html>'
else
res.body.should.not.include '</html>'
end
end
end
it "handles exceptions without a backtrace" do
res = nil
req = Rack::MockRequest.new(
show_exceptions(
lambda{|env| raise RuntimeError, "", [] }
)
)
lambda{
res = req.get("/", "HTTP_ACCEPT" => "text/html")
}.should.not.raise
res.should.be.a.server_error
res.status.should.equal 500
res.should =~ /RuntimeError/
res.should =~ /ShowExceptions/
res.should =~ /unknown location/
end
end
|