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require 'time'
require 'rack/conditionalget'
require 'rack/mock'
describe Rack::ConditionalGet do
def conditional_get(app)
Rack::Lint.new Rack::ConditionalGet.new(app)
end
should "set a 304 status and truncate body when If-Modified-Since hits" do
timestamp = Time.now.httpdate
app = conditional_get(lambda { |env|
[200, {'Last-Modified'=>timestamp}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => timestamp)
response.status.should.equal 304
response.body.should.be.empty
end
should "set a 304 status and truncate body when If-Modified-Since hits and is higher than current time" do
app = conditional_get(lambda { |env|
[200, {'Last-Modified'=>(Time.now - 3600).httpdate}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => Time.now.httpdate)
response.status.should.equal 304
response.body.should.be.empty
end
should "set a 304 status and truncate body when If-None-Match hits" do
app = conditional_get(lambda { |env|
[200, {'Etag'=>'1234'}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_NONE_MATCH' => '1234')
response.status.should.equal 304
response.body.should.be.empty
end
should "not set a 304 status if If-Modified-Since hits but Etag does not" do
timestamp = Time.now.httpdate
app = conditional_get(lambda { |env|
[200, {'Last-Modified'=>timestamp, 'Etag'=>'1234', 'Content-Type' => 'text/plain'}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => timestamp, 'HTTP_IF_NONE_MATCH' => '4321')
response.status.should.equal 200
response.body.should.equal 'TEST'
end
should "set a 304 status and truncate body when both If-None-Match and If-Modified-Since hits" do
timestamp = Time.now.httpdate
app = conditional_get(lambda { |env|
[200, {'Last-Modified'=>timestamp, 'Etag'=>'1234'}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => timestamp, 'HTTP_IF_NONE_MATCH' => '1234')
response.status.should.equal 304
response.body.should.be.empty
end
should "not affect non-GET/HEAD requests" do
app = conditional_get(lambda { |env|
[200, {'Etag'=>'1234', 'Content-Type' => 'text/plain'}, ['TEST']] })
response = Rack::MockRequest.new(app).
post("/", 'HTTP_IF_NONE_MATCH' => '1234')
response.status.should.equal 200
response.body.should.equal 'TEST'
end
should "not affect non-200 requests" do
app = conditional_get(lambda { |env|
[302, {'Etag'=>'1234', 'Content-Type' => 'text/plain'}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_NONE_MATCH' => '1234')
response.status.should.equal 302
response.body.should.equal 'TEST'
end
should "not affect requests with malformed HTTP_IF_NONE_MATCH" do
bad_timestamp = Time.now.strftime('%Y-%m-%d %H:%M:%S %z')
app = conditional_get(lambda { |env|
[200,{'Last-Modified'=>(Time.now - 3600).httpdate, 'Content-Type' => 'text/plain'}, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => bad_timestamp)
response.status.should.equal 200
response.body.should.equal 'TEST'
end
end