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-rw-r--r--spec/puppetlabs_spec/matchers.rb87
1 files changed, 87 insertions, 0 deletions
diff --git a/spec/puppetlabs_spec/matchers.rb b/spec/puppetlabs_spec/matchers.rb
new file mode 100644
index 0000000..77f5803
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+++ b/spec/puppetlabs_spec/matchers.rb
@@ -0,0 +1,87 @@
+require 'stringio'
+
+########################################################################
+# Backward compatibility for Jenkins outdated environment.
+module RSpec
+ module Matchers
+ module BlockAliases
+ alias_method :to, :should unless method_defined? :to
+ alias_method :to_not, :should_not unless method_defined? :to_not
+ alias_method :not_to, :should_not unless method_defined? :not_to
+ end
+ end
+end
+
+
+########################################################################
+# Custom matchers...
+RSpec::Matchers.define :have_matching_element do |expected|
+ match do |actual|
+ actual.any? { |item| item =~ expected }
+ end
+end
+
+
+RSpec::Matchers.define :exit_with do |expected|
+ actual = nil
+ match do |block|
+ begin
+ block.call
+ rescue SystemExit => e
+ actual = e.status
+ end
+ actual and actual == expected
+ end
+ failure_message_for_should do |block|
+ "expected exit with code #{expected} but " +
+ (actual.nil? ? " exit was not called" : "we exited with #{actual} instead")
+ end
+ failure_message_for_should_not do |block|
+ "expected that exit would not be called with #{expected}"
+ end
+ description do
+ "expect exit with #{expected}"
+ end
+end
+
+
+RSpec::Matchers.define :have_printed do |expected|
+ match do |block|
+ $stderr = $stdout = StringIO.new
+
+ begin
+ block.call
+ ensure
+ $stdout.rewind
+ @actual = $stdout.read
+
+ $stdout = STDOUT
+ $stderr = STDERR
+ end
+
+ if @actual then
+ case expected
+ when String
+ @actual.include? expected
+ when Regexp
+ expected.match @actual
+ else
+ raise ArgumentError, "No idea how to match a #{@actual.class.name}"
+ end
+ end
+ end
+
+ failure_message_for_should do |actual|
+ if actual.nil? then
+ "expected #{expected.inspect}, but nothing was printed"
+ else
+ "expected #{expected.inspect} to be printed; got:\n#{actual}"
+ end
+ end
+
+ description do
+ "expect #{expected.inspect} to be printed"
+ end
+
+ diffable
+end