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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'spec_helper'
describe Chef::Provider::RemoteFile, "action_create" do
before(:each) do
@resource = Chef::Resource::RemoteFile.new("seattle")
@resource.path(File.expand_path(File.join(CHEF_SPEC_DATA, "seattle.txt")))
@resource.source("http://foo")
@node = Chef::Node.new
@node.name "latte"
@events = Chef::EventDispatch::Dispatcher.new
@run_context = Chef::RunContext.new(@node, {}, @events)
@provider = Chef::Provider::RemoteFile.new(@resource, @run_context)
#To prevent the current_resource.checksum from being overridden.
@provider.stub!(:load_current_resource)
end
describe "when checking if the file is at the target version" do
it "considers the current file to be at the target version if it exists and matches the user-provided checksum" do
@provider.current_resource = @resource.dup
@resource.checksum("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
@provider.current_resource.checksum("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
@provider.current_resource_matches_target_checksum?.should be_true
end
end
describe "when fetching the file from the remote" do
before(:each) do
@tempfile = Tempfile.new("chef-rspec-remote_file_spec-line#{__LINE__}--")
@rawresp = RestClient::RawResponse.new(@tempfile, nil, nil)
RestClient::Request.stub!(:execute).and_return(@rawresp)
@resource.cookbook_name = "monkey"
@provider.stub!(:checksum).and_return("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
@provider.current_resource = @resource.clone
@provider.current_resource.checksum("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
File.stub!(:exists?).and_return(true)
FileUtils.stub!(:cp).and_return(true)
Chef::Platform.stub!(:find_platform_and_version).and_return([ :mac_os_x, "10.5.1" ])
end
after do
@tempfile.close!
end
before do
@resource.source("http://localhost:9000/seattle.txt")
end
describe "and the target location's enclosing directory does not exist" do
before do
@resource.path("/tmp/this/path/does/not/exist/file.txt")
end
it "raises a specific error describing the problem" do
lambda {@provider.run_action(:create)}.should raise_error(Chef::Exceptions::EnclosingDirectoryDoesNotExist)
end
end
shared_examples_for "source specified with multiple URIs" do
it "should try to download the next URI when the first one fails" do
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://foo", :raw_response => true).once.and_raise(SocketError)
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://bar", :raw_response => true).once.and_return(@rawresp)
@provider.run_action(:create)
end
it "should raise an exception when all the URIs fail" do
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://foo", :raw_response => true).once.and_raise(SocketError)
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://bar", :raw_response => true).once.and_raise(SocketError)
lambda { @provider.run_action(:create) }.should raise_error(SocketError)
end
it "should download from only one URI when the first one works" do
RestClient::Request.should_receive(:execute).once.and_return(@rawresp)
@provider.run_action(:create)
end
end
describe "and the source specifies multiple URIs using multiple arguments" do
it_should_behave_like "source specified with multiple URIs"
before(:each) do
@resource.source("http://foo", "http://bar")
end
end
describe "and the source specifies multiple URIs using an array" do
it_should_behave_like "source specified with multiple URIs"
before(:each) do
@resource.source([ "http://foo", "http://bar" ])
end
end
describe "and the resource specifies a checksum" do
describe "and the existing file matches the checksum exactly" do
before do
@resource.checksum("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
end
it "does not download the file" do
RestClient::Request.should_not_receive(:execute).with("http://localhost:9000/seattle.txt").and_return(@tempfile)
@provider.run_action(:create)
end
it "does not update the resource" do
@provider.run_action(:create)
@provider.new_resource.should_not be_updated
end
end
describe "and the existing file matches the given partial checksum" do
before do
@resource.checksum("0fd012fd")
end
it "should not download the file if the checksum is a partial match from the beginning" do
@rawresp.should_not_receive(:fetch).with("http://localhost:9000/seattle.txt").and_return(@tempfile)
@provider.run_action(:create)
end
it "does not update the resource" do
@provider.run_action(:create)
@provider.new_resource.should_not be_updated
end
end
describe "and the existing file doesn't match the given checksum" do
it "downloads the file" do
@resource.checksum("this hash doesn't match")
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://localhost:9000/seattle.txt", :raw_response => true).and_return(@rawresp)
@provider.stub!(:update_new_file_state)
@provider.run_action(:create)
end
it "does not consider the checksum a match if the matching string is offset" do
# i.e., the existing file is "0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa"
@resource.checksum("fd012fd")
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://localhost:9000/seattle.txt", :raw_response => true).and_return(@rawresp)
@provider.stub!(:update_new_file_state)
@provider.run_action(:create)
end
end
end
describe "and the resource doesn't specify a checksum" do
it "should download the file from the remote URL" do
@resource.checksum(nil)
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://localhost:9000/seattle.txt", :raw_response => true).and_return(@rawresp)
@provider.run_action(:create)
end
end
# CHEF-3140
# Some servers return tarballs as content type tar and encoding gzip, which
# is totally wrong. When this happens and gzip isn't disabled, Chef::REST
# will decompress the file for you, which is not at all what you expected
# to happen (you end up with an uncomressed tar archive instead of the
# gzipped tar archive you expected). To work around this behavior, we
# detect when users are fetching gzipped files and turn off gzip in
# Chef::REST.
context "and the target file is a tarball" do
before do
@resource.path(File.expand_path(File.join(CHEF_SPEC_DATA, "seattle.tar.gz")))
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://localhost:9000/seattle.txt", :raw_response => true).and_return(@rawresp)
end
it "disables gzip in the http client" do
@provider.action_create
end
end
context "and the source appears to be a tarball" do
before do
@resource.source("http://example.com/tarball.tgz")
RestClient::Request.should_receive(:execute).with(:method => :get, :url => "http://example.com/tarball.tgz", :raw_response => true).and_return(@rawresp)
end
it "disables gzip in the http client" do
@provider.action_create
end
end
it "should raise an exception if it's any other kind of retriable response than 304" do
r = Net::HTTPMovedPermanently.new("one", "two", "three")
e = Net::HTTPRetriableError.new("301", r)
RestClient::Request.stub!(:execute).and_raise(e)
lambda { @provider.run_action(:create) }.should raise_error(Net::HTTPRetriableError)
end
it "should raise an exception if anything else happens" do
r = Net::HTTPBadRequest.new("one", "two", "three")
e = Net::HTTPServerException.new("fake exception", r)
RestClient::Request.stub!(:execute).and_raise(e)
lambda { @provider.run_action(:create) }.should raise_error(Net::HTTPServerException)
end
it "should checksum the raw file" do
@provider.should_receive(:checksum).with(@tempfile.path).and_return("0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa")
@provider.run_action(:create)
end
describe "when the target file does not exist" do
before do
::File.stub!(:exists?).with(@resource.path).and_return(false)
@provider.stub!(:get_from_server).and_return(@tempfile)
end
it "should copy the raw file to the new resource" do
FileUtils.should_receive(:cp).with(@tempfile.path, @resource.path).and_return(true)
@provider.stub!(:update_new_file_state)
@provider.run_action(:create)
end
it "should set the new resource to updated" do
@provider.stub!(:update_new_file_state)
@provider.run_action(:create)
@resource.should be_updated
end
describe "and create_if_missing is invoked" do
it "should invoke action_create" do
@provider.should_receive(:action_create)
@provider.run_action(:create_if_missing)
end
end
end
describe "when the target file already exists" do
before do
::File.stub!(:exists?).with(@resource.path).and_return(true)
@provider.stub!(:diff_current).and_return([
"--- /tmp/foo 2012-08-30 21:28:17.632782551 +0000",
"+++ /tmp/bar 2012-08-30 21:28:20.816975437 +0000",
"@@ -1 +1 @@",
"-foo bar",
"+bar foo"
])
@provider.stub!(:get_from_server).and_return(@tempfile)
end
describe "and create_if_missing is invoked" do
it "should take no action" do
@provider.should_not_receive(:action_create)
@provider.run_action(:create_if_missing)
end
end
describe "and the file downloaded from the remote is identical to the current" do
it "shouldn't backup the original file" do
@provider.should_not_receive(:backup).with(@resource.path)
@provider.run_action(:create)
end
it "doesn't mark the resource as updated" do
@provider.run_action(:create)
@provider.new_resource.should_not be_updated
end
end
describe "and the checksum doesn't match" do
before do
sha2_256 = "0fd012fdc96e96f8f7cf2046522a54aed0ce470224513e45da6bc1a17a4924aa-NO_MATCHY"
@provider.current_resource.checksum(sha2_256)
end
it "should backup the original file" do
@provider.stub!(:update_new_file_state)
@provider.should_receive(:backup).with(@resource.path).and_return(true)
@provider.run_action(:create)
end
it "should copy the raw file to the new resource" do
@provider.stub!(:update_new_file_state)
FileUtils.should_receive(:cp).with(@tempfile.path, @resource.path).and_return(true)
@provider.run_action(:create)
end
it "should set the new resource to updated" do
@provider.stub!(:update_new_file_state)
@provider.run_action(:create)
@resource.should be_updated
end
end
it "should set permissions" do
@provider.should_receive(:set_all_access_controls).and_return(true)
@provider.run_action(:create)
end
end
end
end
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