Fix Command#[]

lib/samovar/command.rb

@@ -51,6 +51,10 @@ def [](*input)
 			self.dup.tap{|command| command.parse(input)}
 		end
 
+		def parse(input)
+			self.class.table.parse(input, self)
+		end
+
 		def initialize(input = nil)
 			parse(input) if input
 		end
@@ -118,11 +122,5 @@ def print_usage(*args, output: $stderr, formatter: Output::DetailedFormatter)
 
 			formatter.print(rows, output)
 		end
-
-		private
-
-		def parse(input)
-			self.class.table.parse(input, self)
-		end
 	end
 end

spec/samovar/command_spec.rb

@@ -28,12 +28,21 @@ class Top < Samovar::Command
 
 	RSpec.describe Samovar::Command do
 		it "should use default value" do
-			top = Top.parse([])
+			top = Top[]
 			expect(top.options[:configuration]).to be == 'TEAPOT_CONFIGURATION'
 		end
 
+		it "can update options" do
+			top = Top[]
+			expect(top.options[:configuration]).to be == 'TEAPOT_CONFIGURATION'
+
+			top = top['--verbose']
+			expect(top.options[:configuration]).to be == 'TEAPOT_CONFIGURATION'
+			expect(top.options[:logging]).to be == :verbose
+		end
+
 		it "should parse a simple command" do
-			top = Top.parse(["-c", "path", "bottom", "foobar", "A", "B", "--", "args", "args"])
+			top = Top["-c", "path", "bottom", "foobar", "A", "B", "--", "args", "args"]
 
 			expect(top.options[:configuration]).to be == 'path'
 			expect(top.command.class).to be == Bottom
@@ -43,7 +52,7 @@ class Top < Samovar::Command
 		end
 
 		it "should generate documentation" do
-			top = Top.new([])
+			top = Top[]
 			buffer = StringIO.new
 			top.print_usage('top', output: buffer)