1 files changed, 43 insertions, 0 deletions
diff --git a/spec/rubyspec/library/digest/sha256/file_spec.rb b/spec/rubyspec/library/digest/sha256/file_spec.rb
new file mode 100644
index 0000000000..a52b7939f3
--- /dev/null
+++ b/spec/rubyspec/library/digest/sha256/file_spec.rb
@@ -0,0 +1,43 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/constants', __FILE__)
+require File.expand_path('../../../../core/file/shared/read', __FILE__)
+
+describe "Digest::SHA256.file" do
+
+  describe "when passed a path to a file that exists" do
+    before :each do
+      @file = tmp("md5_temp")
+      touch(@file, 'wb') {|f| f.write SHA256Constants::Contents }
+    end
+
+    after :each do
+      rm_r @file
+    end
+
+    it "returns a Digest::SHA256 object" do
+      Digest::SHA256.file(@file).should be_kind_of(Digest::SHA256)
+    end
+
+    it "returns a Digest::SHA256 object with the correct digest" do
+      Digest::SHA256.file(@file).digest.should == SHA256Constants::Digest
+    end
+
+    it "calls #to_str on an object and returns the Digest::SHA256 with the result" do
+      obj = mock("to_str")
+      obj.should_receive(:to_str).and_return(@file)
+      result = Digest::SHA256.file(obj)
+      result.should be_kind_of(Digest::SHA256)
+      result.digest.should == SHA256Constants::Digest
+    end
+  end
+
+  it_behaves_like :file_read_directory, :file, Digest::SHA256
+
+  it "raises a Errno::ENOENT when passed a path that does not exist" do
+    lambda { Digest::SHA256.file("") }.should raise_error(Errno::ENOENT)
+  end
+
+  it "raises a TypeError when passed nil" do
+    lambda { Digest::SHA256.file(nil) }.should raise_error(TypeError)
+  end
+end