From 157531cd290e53c9a174171bb29de293bade2ed4 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Wed, 29 Jun 2011 12:25:43 +0100
Subject: Copied function test scaffolding from puppet.

---
 spec/lib/puppet_spec/matchers.rb | 87 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 spec/lib/puppet_spec/matchers.rb

(limited to 'spec/lib/puppet_spec/matchers.rb')

diff --git a/spec/lib/puppet_spec/matchers.rb b/spec/lib/puppet_spec/matchers.rb
new file mode 100644
index 0000000..77f5803
--- /dev/null
+++ b/spec/lib/puppet_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+# Backward compatibility for Jenkins outdated environment.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
-- 
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