1 files changed, 98 insertions, 0 deletions
diff --git a/spec/ruby/library/getoptlong/set_options_spec.rb b/spec/ruby/library/getoptlong/set_options_spec.rb
new file mode 100644
index 0000000000..39d6991bf5
--- /dev/null
+++ b/spec/ruby/library/getoptlong/set_options_spec.rb
@@ -0,0 +1,98 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'getoptlong'
+
+describe "GetoptLong#set_options" do
+  before :each do
+    @opts = GetoptLong.new
+  end
+
+  it "allows setting command line options" do
+    argv ["--size", "10k", "-v", "arg1", "arg2"] do
+      @opts.set_options(
+        ["--size", GetoptLong::REQUIRED_ARGUMENT],
+        ["--verbose", "-v", GetoptLong::NO_ARGUMENT]
+      )
+
+      @opts.get.should == ["--size", "10k"]
+      @opts.get.should == ["--verbose", ""]
+      @opts.get.should == nil
+    end
+  end
+
+  it "discards previously defined command line options" do
+    argv ["--size", "10k", "-v", "arg1", "arg2"] do
+      @opts.set_options(
+        ["--size", GetoptLong::REQUIRED_ARGUMENT],
+        ["--verbose", "-v", GetoptLong::NO_ARGUMENT]
+      )
+
+      @opts.set_options(
+        ["-s", "--size", GetoptLong::REQUIRED_ARGUMENT],
+        ["-v", GetoptLong::NO_ARGUMENT]
+      )
+
+      @opts.get.should == ["-s", "10k"]
+      @opts.get.should == ["-v", ""]
+      @opts.get.should == nil
+    end
+  end
+
+  it "raises an ArgumentError if too many argument flags where given" do
+    argv [] do
+      lambda {
+        @opts.set_options(["--size", GetoptLong::NO_ARGUMENT, GetoptLong::REQUIRED_ARGUMENT])
+      }.should raise_error(ArgumentError)
+    end
+  end
+
+  it "raises a RuntimeError if processing has already started" do
+    argv [] do
+      @opts.get
+      lambda {
+        @opts.set_options()
+      }.should raise_error(RuntimeError)
+    end
+  end
+
+  it "raises an ArgumentError if no argument flag was given" do
+    argv [] do
+      lambda {
+        @opts.set_options(["--size"])
+      }.should raise_error(ArgumentError)
+    end
+  end
+
+  it "raises an ArgumentError if one of the given arguments is not an Array" do
+    argv [] do
+      lambda {
+        @opts.set_options(
+          ["--size", GetoptLong::REQUIRED_ARGUMENT],
+          "test")
+      }.should raise_error(ArgumentError)
+    end
+  end
+
+  it "raises an ArgumentError if the same option is given twice" do
+    argv [] do
+      lambda {
+        @opts.set_options(
+          ["--size", GetoptLong::NO_ARGUMENT],
+          ["--size", GetoptLong::OPTIONAL_ARGUMENT])
+      }.should raise_error(ArgumentError)
+
+      lambda {
+        @opts.set_options(
+          ["--size", GetoptLong::NO_ARGUMENT],
+          ["-s", "--size", GetoptLong::OPTIONAL_ARGUMENT])
+      }.should raise_error(ArgumentError)
+    end
+  end
+
+  it "raises an ArgumentError if the given option is invalid" do
+    argv [] do
+      lambda {
+        @opts.set_options(["-size", GetoptLong::NO_ARGUMENT])
+      }.should raise_error(ArgumentError)
+    end
+  end
+end