1 files changed, 64 insertions, 0 deletions
diff --git a/spec/ruby/library/yaml/dump_spec.rb b/spec/ruby/library/yaml/dump_spec.rb
new file mode 100644
index 0000000000..97b665d6a5
--- /dev/null
+++ b/spec/ruby/library/yaml/dump_spec.rb
@@ -0,0 +1,64 @@
+require_relative '../../spec_helper'
+
+require 'yaml'
+
+describe "YAML.dump" do
+  before :each do
+    @test_file = tmp("yaml_test_file")
+  end
+
+  after :each do
+    rm_r @test_file
+  end
+
+  it "converts an object to YAML and write result to io when io provided" do
+    File.open(@test_file, 'w' ) do |io|
+      YAML.dump( ['badger', 'elephant', 'tiger'], io )
+    end
+    YAML.load_file(@test_file).should == ['badger', 'elephant', 'tiger']
+  end
+
+  it "returns a string containing dumped YAML when no io provided" do
+    YAML.dump( :locked ).should match_yaml("--- :locked\n")
+  end
+
+  it "returns the same string that #to_yaml on objects" do
+    ["a", "b", "c"].to_yaml.should == YAML.dump(["a", "b", "c"])
+  end
+
+  it "dumps strings into YAML strings" do
+    YAML.dump("str").should match_yaml("--- str\n")
+  end
+
+  it "dumps hashes into YAML key-values" do
+    YAML.dump({ "a" => "b" }).should match_yaml("--- \na: b\n")
+  end
+
+  it "dumps Arrays into YAML collection" do
+    YAML.dump(["a", "b", "c"]).should match_yaml("--- \n- a\n- b\n- c\n")
+  end
+
+  it "dumps an OpenStruct" do
+    begin
+      require "ostruct"
+    rescue LoadError
+      skip "OpenStruct is not available"
+    end
+    os = OpenStruct.new("age" => 20, "name" => "John")
+    yaml_dump = YAML.dump(os)
+
+    [
+      "--- !ruby/object:OpenStruct\nage: 20\nname: John\n",
+      "--- !ruby/object:OpenStruct\ntable:\n  :age: 20\n  :name: John\n",
+    ].should.include?(yaml_dump)
+  end
+
+  it "dumps a File without any state" do
+    file = File.new(__FILE__)
+    begin
+      YAML.dump(file).should match_yaml("--- !ruby/object:File {}\n")
+    ensure
+      file.close
+    end
+  end
+end