1 files changed, 39 insertions, 0 deletions
diff --git a/spec/mspec/spec/matchers/match_yaml_spec.rb b/spec/mspec/spec/matchers/match_yaml_spec.rb
new file mode 100644
index 0000000000..4f16aee0ec
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+++ b/spec/mspec/spec/matchers/match_yaml_spec.rb
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+require 'spec_helper'
+require 'mspec/expectations/expectations'
+require 'mspec/matchers'
+
+describe MatchYAMLMatcher do
+  before :each do
+    @matcher = MatchYAMLMatcher.new("--- \nfoo: bar\n")
+  end
+
+  it "compares YAML documents and matches if they're equivalent" do
+      @matcher.matches?("--- \nfoo: bar\n").should == true
+  end
+
+  it "compares YAML documents and does not match if they're not equivalent" do
+      @matcher.matches?("--- \nbar: foo\n").should == false
+      @matcher.matches?("--- \nfoo: \nbar\n").should == false
+  end
+
+  it "also receives objects that respond_to to_yaml" do
+    matcher = MatchYAMLMatcher.new("some string")
+    matcher.matches?("some string").should == true
+
+    matcher = MatchYAMLMatcher.new(['a', 'b'])
+    matcher.matches?("--- \n- a\n- b\n").should == true
+
+    matcher = MatchYAMLMatcher.new("foo" => "bar")
+    matcher.matches?("--- \nfoo: bar\n").should == true
+  end
+
+  it "matches documents with trailing whitespace" do
+    @matcher.matches?("--- \nfoo: bar   \n").should == true
+    @matcher.matches?("---       \nfoo: bar   \n").should == true
+  end
+
+  it "fails with a descriptive error message" do
+    @matcher.matches?("foo").should == false
+    @matcher.failure_message.should == ["Expected \"foo\"", " to match \"--- \\nfoo: bar\\n\""]
+  end
+end