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# frozen_string_literal: true
require_relative 'helper'
require 'time'
separate_testing do
require_relative '../lib/rack/conditional_get'
require_relative '../lib/rack/lint'
require_relative '../lib/rack/mock_request'
end
describe Rack::ConditionalGet do
def conditional_get(app)
Rack::Lint.new Rack::ConditionalGet.new(app)
end
it "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.must_equal 304
response.body.must_be :empty?
end
it "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.must_equal 304
response.body.must_be :empty?
end
it "closes bodies" do
body = Object.new
def body.each; yield 'TEST' end
closed = false
body.define_singleton_method(:close){closed = true}
app = conditional_get(lambda { |env|
[200, { 'last-modified' => (Time.now - 3600).httpdate }, body] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => Time.now.httpdate)
response.status.must_equal 304
response.body.must_be :empty?
closed.must_equal true
end
it "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.must_equal 304
response.body.must_be :empty?
end
it "set a 304 status and truncate body when if-none-match hits but if-modified-since is after last-modified" do
app = conditional_get(lambda { |env|
[200, { 'last-modified' => (Time.now + 3600).httpdate, 'etag' => '1234', 'content-type' => 'text/plain' }, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => Time.now.httpdate, 'HTTP_IF_NONE_MATCH' => '1234')
response.status.must_equal 304
response.body.must_be :empty?
end
it "not set a 304 status if last-modified is too short" do
app = conditional_get(lambda { |env|
[200, { 'last-modified' => '1234', 'content-type' => 'text/plain' }, ['TEST']] })
response = Rack::MockRequest.new(app).
get("/", 'HTTP_IF_MODIFIED_SINCE' => Time.now.httpdate)
response.status.must_equal 200
response.body.must_equal 'TEST'
end
it "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.must_equal 200
response.body.must_equal 'TEST'
end
it "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.must_equal 304
response.body.must_be :empty?
end
it "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.must_equal 200
response.body.must_equal 'TEST'
end
it "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.must_equal 302
response.body.must_equal 'TEST'
end
it "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.must_equal 200
response.body.must_equal 'TEST'
end
end
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