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require 'tmpdir'
require 'vcr/cassette/migrator'
require 'yaml'
describe VCR::Cassette::Migrator do
let(:original_contents) { <<-EOF
---
- !ruby/struct:VCR::HTTPInteraction
request: !ruby/struct:VCR::Request
method: :get
uri: http://example.com:80/foo
body:
headers:
response: !ruby/struct:VCR::Response
status: !ruby/struct:VCR::ResponseStatus
code: 200
message: OK
headers:
content-type:
- text/html;charset=utf-8
content-length:
- "9"
body: Hello foo
http_version: "1.1"
- !ruby/struct:VCR::HTTPInteraction
request: !ruby/struct:VCR::Request
method: :get
uri: http://localhost:7777/bar
body:
headers:
response: !ruby/struct:VCR::Response
status: !ruby/struct:VCR::ResponseStatus
code: 200
message: OK
headers:
content-type:
- text/html;charset=utf-8
content-length:
- "9"
body: Hello bar
http_version: "1.1"
EOF
}
let(:updated_contents) { <<-EOF
---
http_interactions:
- request:
method: get
uri: http://example.com/foo
body:
encoding: US-ASCII
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello foo
http_version: "1.1"
recorded_at: Wed, 04 May 2011 12:30:00 GMT
- request:
method: get
uri: http://localhost:7777/bar
body:
encoding: US-ASCII
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello bar
http_version: "1.1"
recorded_at: Wed, 04 May 2011 12:30:00 GMT
recorded_with: VCR #{VCR.version}
EOF
}
let(:dir) { './tmp/migrator' }
before(:each) do
# ensure the directory is empty
FileUtils.rm_rf dir
FileUtils.mkdir_p dir
end
before(:each) do
# the encoding won't be set on rubies that don't support it
updated_contents.gsub!(/^\s+encoding:.*$/, '')
end unless ''.respond_to?(:encoding)
# JRuby serializes YAML with some slightly different whitespace.
before(:each) do
[original_contents, updated_contents].each do |contents|
contents.gsub!(/^(\s+)-/, '\1 -')
end
updated_contents.gsub!(/^(- | )/, ' \1')
end if RUBY_PLATFORM == 'java'
# Use syck on all rubies for consistent results...
around(:each) do |example|
YAML::ENGINE.yamler = 'syck'
begin
example.call
ensure
YAML::ENGINE.yamler = 'psych'
end
end if defined?(YAML::ENGINE) && RUBY_VERSION.to_f < 2.0
let(:filemtime) { Time.utc(2011, 5, 4, 12, 30) }
let(:out_io) { StringIO.new }
let(:file_name) { File.join(dir, "example.yml") }
let(:output) { out_io.rewind; out_io.read }
subject { described_class.new(dir, out_io) }
before(:each) do
allow(File).to receive(:mtime).with(file_name).and_return(filemtime)
end
def load_file(file_name)
if ::YAML.respond_to?(:unsafe_load_file)
::YAML.unsafe_load_file(file_name)
else
::YAML.load_file(file_name)
end
end
it 'migrates a cassette from the 1.x to 2.x format' do
File.open(file_name, 'w') { |f| f.write(original_contents) }
subject.migrate!
expect(load_file(file_name)).to eq(YAML.load(updated_contents))
expect(output).to match(/Migrated example.yml/)
end
it 'ignores files that do not contain arrays' do
File.open(file_name, 'w') { |f| f.write(true.to_yaml) }
subject.migrate!
expect(File.read(file_name)).to eq(true.to_yaml)
expect(output).to match(/Ignored example.yml since it does not appear to be a valid VCR 1.x cassette/)
end
it 'ignores files that contain YAML arrays of other things' do
File.open(file_name, 'w') { |f| f.write([{}, {}].to_yaml) }
subject.migrate!
expect(File.read(file_name)).to eq([{}, {}].to_yaml)
expect(output).to match(/Ignored example.yml since it does not appear to be a valid VCR 1.x cassette/)
end
it 'ignores URIs that have sensitive data substitutions' do
modified_contents = original_contents.gsub('example.com', '<HOST>')
File.open(file_name, 'w') { |f| f.write(modified_contents) }
subject.migrate!
expect(load_file(file_name)).to eq(YAML.load(updated_contents.gsub('example.com', '<HOST>:80')))
end
it 'ignores files that are empty' do
File.open(file_name, 'w') { |f| f.write('') }
subject.migrate!
expect(File.read(file_name)).to eq('')
expect(output).to match(/Ignored example.yml since it could not be parsed as YAML/)
end
shared_examples_for "ignoring invalid YAML" do
it 'ignores files that cannot be parsed as valid YAML (such as ERB cassettes)' do
modified_contents = original_contents.gsub(/\A---/, "---\n<% 3.times do %>")
modified_contents = modified_contents.gsub(/\z/, "<% end %>")
File.open(file_name, 'w') { |f| f.write(modified_contents) }
subject.migrate!
expect(File.read(file_name)).to eq(modified_contents)
expect(output).to match(/Ignored example.yml since it could not be parsed as YAML/)
end
end
context 'with syck' do
it_behaves_like "ignoring invalid YAML"
end
context 'with psych' do
before(:each) do
YAML::ENGINE.yamler = 'psych'
end
it_behaves_like "ignoring invalid YAML"
end if defined?(YAML::ENGINE)
end
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