+#! /usr/bin/env rspec
+
+require 'spec_helper'
+
+module MCollective
+ module Matcher
+ describe Parser do
+ before :each do
+ Config.instance.stubs(:color).returns(false)
+ end
+
+ describe '#parse' do
+ it "should parse statements seperated by '='" do
+ parser = Parser.new("foo=bar")
+ parser.execution_stack.should == [{"statement" => "foo=bar"}]
+ end
+
+ it "should parse statements seperated by '<'" do
+ parser = Parser.new("foo<bar")
+ parser.execution_stack.should == [{"statement" => "foo<bar"}]
+ end
+
+ it "should parse statements seperated by '>'" do
+ parser = Parser.new("foo>bar")
+ parser.execution_stack.should == [{"statement" => "foo>bar"}]
+ end
+
+ it "should parse statements seperated by '<='" do
+ parser = Parser.new("foo<=bar")
+ parser.execution_stack.should == [{"statement" => "foo<=bar"}]
+ end
+
+ it "should parse statements seperated by '>='" do
+ parser = Parser.new("foo>=bar")
+ parser.execution_stack.should == [{"statement" => "foo>=bar"}]
+ end
+
+ it "should parse class regex statements" do
+ parser = Parser.new("/foo/")
+ parser.execution_stack.should == [{"statement" => "/foo/"}]
+ end
+
+ it "should parse fact regex statements" do
+ parser = Parser.new("foo=/bar/")
+ parser.execution_stack.should == [{"statement" => "foo=/bar/"}]
+ end
+
+ it "should parse a correct 'and' token" do
+ parser = Parser.new("foo=bar and bar=foo")
+ parser.execution_stack.should == [{"statement" => "foo=bar"}, {"and" => "and"}, {"statement" => "bar=foo"}]
+ end
+
+ it "should not parse an incorrect and token" do
+ expect {
+ parser = Parser.new("and foo=bar")
+ }.to raise_error(RuntimeError, "Parse errors found while parsing -S input and foo=bar")
+ end
+
+ it "should parse a correct 'or' token" do
+ parser = Parser.new("foo=bar or bar=foo")
+ parser.execution_stack.should == [{"statement" => "foo=bar"}, {"or" => "or"}, {"statement" => "bar=foo"}]
+ end
+
+ it "should not parse an incorrect or token" do
+ expect{
+ parser = Parser.new("or foo=bar")
+ }.to raise_error(RuntimeError, "Parse errors found while parsing -S input or foo=bar")
+ end
+
+ it "should parse a correct 'not' token" do
+ parser = Parser.new("! bar=foo")
+ parser.execution_stack.should == [{"not" => "not"}, {"statement" => "bar=foo"}]
+ parser = Parser.new("not bar=foo")
+ parser.execution_stack.should == [{"not" => "not"}, {"statement" => "bar=foo"}]
+ end
+
+ it "should not parse an incorrect 'not' token" do
+ expect{
+ parser = Parser.new("foo=bar !")
+ }.to raise_error(RuntimeError, "Parse errors found while parsing -S input foo=bar !")
+ end
+
+ it "should parse correct parentheses" do
+ parser = Parser.new("(foo=bar)")
+ parser.execution_stack.should == [{"(" => "("}, {"statement" => "foo=bar"}, {")" => ")"}]
+ end
+
+ it "should fail on incorrect parentheses" do
+ expect{
+ parser = Parser.new(")foo=bar(")
+ }.to raise_error(RuntimeError, "Malformed token(s) found while parsing -S input )foo=bar(")
+ end
+
+ it "should fail on missing parentheses" do
+ expect{
+ parser = Parser.new("(foo=bar")
+ }.to raise_error(RuntimeError, "Missing parenthesis found while parsing -S input (foo=bar")
+ end
+
+ it "should parse correctly formatted compound statements" do
+ parser = Parser.new("(foo=bar or foo=rab) and (bar=foo)")
+ parser.execution_stack.should == [{"(" => "("}, {"statement"=>"foo=bar"}, {"or"=>"or"}, {"statement"=>"foo=rab"},
+ {")"=>")"}, {"and"=>"and"}, {"("=>"("}, {"statement"=>"bar=foo"},
+ {")"=>")"}]
+ end
+
+ it "should parse complex fstatements and statements with operators seperated by whitespaces" do
+ parser = Parser.new("foo('bar').value = 1 and foo=bar or foo = bar")
+ parser.execution_stack.should == [{"fstatement"=>"foo('bar').value=1"}, {"and"=>"and"}, {"statement"=>"foo=bar"}, {"or"=>"or"}, {"statement"=>"foo=bar"}]
+ end
+
+ it "should parse statements where classes are mixed with fact comparisons and fstatements" do
+ parser = Parser.new("klass and function('param').value = 1 and fact=value")
+ parser.execution_stack.should == [{"statement" => "klass"},
+ {"and" => "and"},
+ {"fstatement" => "function('param').value=1"},
+ {"and" => "and"},
+ {"statement" => "fact=value"}]
+ end
+ end
+ end
+ end
+end