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require 'vcr/request_matcher_registry'
require 'vcr/structs'
require 'support/limited_uri'
require 'cgi'
require 'support/configuration_stubbing'
module VCR
describe RequestMatcherRegistry do
include_context "configuration stubbing"
before do
allow(config).to receive(:uri_parser) { LimitedURI }
allow(config).to receive(:query_parser) { CGI.method(:parse) }
end
def request_with(values)
VCR::Request.new.tap do |request|
values.each do |name, value|
request.send("#{name}=", value)
end
end
end
describe "#register" do
it 'registers a request matcher block that can be used later' do
matcher_called = false
subject.register(:my_matcher) { |*a| matcher_called = true }
subject[:my_matcher].matches?(double, double)
expect(matcher_called).to be true
end
context 'when there is already a matcher for the given name' do
before(:each) do
subject.register(:foo) { |*a| false }
allow(subject).to receive :warn
end
it 'overrides the existing matcher' do
subject.register(:foo) { |*a| true }
expect(subject[:foo].matches?(double, double)).to be true
end
it 'warns that there is a name collision' do
expect(subject).to receive(:warn).with(
/WARNING: There is already a VCR request matcher registered for :foo\. Overriding it/
)
subject.register(:foo) { |*a| true }
end
end
end
describe "#[]" do
it 'returns a previously registered matcher' do
matcher = lambda { }
subject.register(:my_matcher, &matcher)
expect(subject[:my_matcher]).to eq(RequestMatcherRegistry::Matcher.new(matcher))
end
it 'raises an ArgumentError when no matcher has been registered for the given name' do
expect {
subject[:some_unregistered_matcher]
}.to raise_error(VCR::Errors::UnregisteredMatcherError)
end
it 'returns an object that calls the named block when #matches? is called on it' do
subject.register(:foo) { |r1, r2| r1 == 5 || r2 == 10 }
expect(subject[:foo].matches?(5, 0)).to be true
expect(subject[:foo].matches?(0, 10)).to be true
expect(subject[:foo].matches?(7, 7)).to be false
end
it 'returns an object that calls the given callable when #matches? is called on it' do
block_called = false
subject[lambda { |r1, r2| block_called = true }].matches?(5, 0)
expect(block_called).to be true
end
end
[:uri_without_param, :uri_without_params].each do |meth|
describe "##{meth}" do
it 'returns a matcher that can be registered for later use' do
matcher = subject.send(meth, :foo)
subject.register(:uri_without_foo, &matcher)
matches = subject[:uri_without_foo].matches?(
request_with(:uri => 'http://example.com/search?foo=123'),
request_with(:uri => 'http://example.com/search?foo=123')
)
expect(matches).to be true
end
it 'matches two requests with URIs that are identical' do
matches = subject[subject.send(meth, :foo)].matches?(
request_with(:uri => 'http://example.com/search?foo=123'),
request_with(:uri => 'http://example.com/search?foo=123')
)
expect(matches).to be true
end
it 'does not match two requests with different path parts' do
matches = subject[subject.send(meth, :foo)].matches?(
request_with(:uri => 'http://example.com/search?foo=123'),
request_with(:uri => 'http://example.com/find?foo=123')
)
expect(matches).to be false
end
it 'ignores the given query parameters when it is at the start' do
matches = subject[subject.send(meth, :foo)].matches?(
request_with(:uri => 'http://example.com/search?foo=123&bar=r'),
request_with(:uri => 'http://example.com/search?foo=124&bar=r')
)
expect(matches).to be true
end
it 'ignores the given query parameters when it is at the end' do
matches = subject[subject.send(meth, :bar)].matches?(
request_with(:uri => 'http://example.com/search?foo=124&bar=r'),
request_with(:uri => 'http://example.com/search?foo=124&bar=q')
)
expect(matches).to be true
end
it 'still takes into account other query params' do
matches = subject[subject.send(meth, :bar)].matches?(
request_with(:uri => 'http://example.com/search?foo=123&bar=r'),
request_with(:uri => 'http://example.com/search?foo=124&bar=q')
)
expect(matches).to be false
end
it 'handles multiple query params of the same name' do
matches = subject[subject.send(meth, :tag)].matches?(
request_with(:uri => 'http://example.com/search?foo=124&tag[]=a&tag[]=b'),
request_with(:uri => 'http://example.com/search?foo=124&tag[]=d&tag[]=e')
)
expect(matches).to be true
end
it 'can ignore multiple named parameters' do
matches = subject[subject.send(meth, :foo, :bar)].matches?(
request_with(:uri => 'http://example.com/search?foo=123&bar=r&baz=9'),
request_with(:uri => 'http://example.com/search?foo=124&baz=9&bar=q')
)
expect(matches).to be true
end
it 'matches two requests with URIs that have no params' do
matches = subject[subject.send(meth, :foo, :bar)].matches?(
request_with(:uri => 'http://example.com/search'),
request_with(:uri => 'http://example.com/search')
)
expect(matches).to be true
end
it 'does not match two requests with URIs that have no params but different paths' do
matches = subject[subject.send(meth, :foo, :bar)].matches?(
request_with(:uri => 'http://example.com/foo'),
request_with(:uri => 'http://example.com/bar')
)
expect(matches).to be false
end
it 'matches a second request when all parameters are filtered' do
matches = subject[subject.send(meth, :q, :oq)].matches?(
request_with(:uri => 'http://example.com/search'),
request_with(:uri => 'http://example.com/search?q=vcr&oq=vcr')
)
expect(matches).to be true
end
end
end
describe "built-ins" do
describe ":method" do
it 'matches when it is the same' do
matches = subject[:method].matches?(
request_with(:method => :get),
request_with(:method => :get)
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:method].matches?(
request_with(:method => :get),
request_with(:method => :post)
)
expect(matches).to be false
end
end
describe ":uri" do
it 'matches when it is exactly the same' do
matches = subject[:uri].matches?(
request_with(:uri => 'http://foo.com/bar?baz=7'),
request_with(:uri => 'http://foo.com/bar?baz=7')
)
expect(matches).to be true
end
it 'does not match when it is different' do
matches = subject[:uri].matches?(
request_with(:uri => 'http://foo1.com/bar?baz=7'),
request_with(:uri => 'http://foo2.com/bar?baz=7')
)
expect(matches).to be false
end
end
describe ":host" do
it 'matches when it is the same' do
matches = subject[:host].matches?(
request_with(:uri => 'http://foo.com/bar'),
request_with(:uri => 'http://foo.com/car')
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:host].matches?(
request_with(:uri => 'http://foo.com/bar'),
request_with(:uri => 'http://goo.com/bar')
)
expect(matches).to be false
end
end
describe ":path" do
it 'matches when it is the same' do
matches = subject[:path].matches?(
request_with(:uri => 'http://foo.com/bar?a=8'),
request_with(:uri => 'http://goo.com/bar?a=9')
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:path].matches?(
request_with(:uri => 'http://foo.com/bar?a=8'),
request_with(:uri => 'http://foo.com/car?a=8')
)
expect(matches).to be false
end
end
describe ":body" do
it 'matches when it is the same' do
matches = subject[:body].matches?(
request_with(:body => 'foo'),
request_with(:body => 'foo')
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:body].matches?(
request_with(:body => 'foo'),
request_with(:body => 'bar')
)
expect(matches).to be false
end
end
describe ":body_as_json" do
it 'matches when the body json is reordered' do
matches = subject[:body_as_json].matches?(
request_with(:body => '{ "a": "1", "b": "2" }'),
request_with(:body => '{ "b": "2", "a": "1" }')
)
expect(matches).to be true
end
it 'does not match when json is not the same' do
matches = subject[:body_as_json].matches?(
request_with(:body => '{ "a": "1", "b": "2" }'),
request_with(:body => '{ "a": "1", "b": "1" }')
)
expect(matches).to be false
end
end
describe ":headers" do
it 'matches when it is the same' do
matches = subject[:headers].matches?(
request_with(:headers => { 'a' => 1, 'b' => 2 }),
request_with(:headers => { 'b' => 2, 'a' => 1 })
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:headers].matches?(
request_with(:headers => { 'a' => 3, 'b' => 2 }),
request_with(:headers => { 'b' => 2, 'a' => 1 })
)
expect(matches).to be false
end
end
describe ":query" do
it 'matches when it is identical' do
matches = subject[:query].matches?(
request_with(:uri => 'http://foo.com/bar?a=8'),
request_with(:uri => 'http://goo.com/car?a=8')
)
expect(matches).to be true
end
it 'matches when empty' do
matches = subject[:query].matches?(
request_with(:uri => 'http://foo.com/bar'),
request_with(:uri => 'http://goo.com/car')
)
expect(matches).to be true
end
it 'matches when parameters are reordered' do
matches = subject[:query].matches?(
request_with(:uri => 'http://foo.com/bar?a=8&b=9'),
request_with(:uri => 'http://goo.com/car?b=9&a=8')
)
expect(matches).to be true
end
it 'does not match when it is not the same' do
matches = subject[:query].matches?(
request_with(:uri => 'http://foo.com/bar?a=8'),
request_with(:uri => 'http://goo.com/car?b=8')
)
expect(matches).to be false
end
end
end
end
end
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