spec/unit/tokenizer_spec.rb in sql_tree-0.1.0 vs spec/unit/tokenizer_spec.rb in sql_tree-0.1.1

- old
+ new

@@ -1,86 +1,82 @@ require "#{File.dirname(__FILE__)}/../spec_helper" describe SQLTree::Tokenizer do - before(:all) do - @tokenizer = SQLTree::Tokenizer.new - end - context "recognizing single tokens" do it "should tokenize SQL query keywords" do - @tokenizer.tokenize('WHERE').should tokenize_to(:where) + SQLTree::Tokenizer.tokenize('WHERE').should tokenize_to(:where) end it "should tokenize expression keywords" do - @tokenizer.tokenize('and').should tokenize_to(:and) + SQLTree::Tokenizer.tokenize('and').should tokenize_to(:and) end it "should tokenize muliple separate keywords" do - @tokenizer.tokenize('SELECT DISTINCT').should tokenize_to(:select, :distinct) + SQLTree::Tokenizer.tokenize('SELECT DISTINCT').should tokenize_to(:select, :distinct) end it "should ignore excessive whitespace" do - @tokenizer.tokenize("\tSELECT DISTINCT \r\r").should tokenize_to(:select, :distinct) + SQLTree::Tokenizer.tokenize("\tSELECT DISTINCT \r\r").should tokenize_to(:select, :distinct) end it "should tokenize variables" do - @tokenizer.tokenize("var").should tokenize_to(sql_var('var')) + SQLTree::Tokenizer.tokenize("var").should tokenize_to(sql_var('var')) end it "should tokenize quoted variables" do - @tokenizer.tokenize('"var"').should tokenize_to(sql_var('var')) + SQLTree::Tokenizer.tokenize('"var"').should tokenize_to(sql_var('var')) end it "should tokenize quoted variables even when they are a reserved keyword" do - @tokenizer.tokenize('"where"').should tokenize_to(sql_var('where')) + SQLTree::Tokenizer.tokenize('"where"').should tokenize_to(sql_var('where')) end it "should tokenize strings" do - @tokenizer.tokenize("'hello' ' world '").should tokenize_to('hello', ' world ') + SQLTree::Tokenizer.tokenize("'hello' ' world '").should tokenize_to('hello', ' world ') end it "should tokenize numbers" do - @tokenizer.tokenize("1 -2 3.14 -4.0").should tokenize_to(1, -2, 3.14, -4.0) + SQLTree::Tokenizer.tokenize("1 -2 3.14 -4.0").should tokenize_to(1, -2, 3.14, -4.0) end it "should tokenize logical operators" do - @tokenizer.tokenize("< = <> >=").should tokenize_to(:lt, :eq, :ne, :gte) + SQLTree::Tokenizer.tokenize("< = <> >=").should tokenize_to(:lt, :eq, :ne, :gte) end it "should tokenize arithmetic operators" do - @tokenizer.tokenize("+ - / * %").should tokenize_to(:plus, :minus, :divide, :multiply, :modulo) + SQLTree::Tokenizer.tokenize("+ - / * % || &").should tokenize_to(:plus, :minus, :divide, :multiply, :modulo, :concat, :binary_and) end it "should tokenize parentheses" do - @tokenizer.tokenize("(a)").should tokenize_to(lparen, sql_var('a'), rparen) + SQLTree::Tokenizer.tokenize("(a)").should tokenize_to(lparen, sql_var('a'), rparen) end it "should tokenize dots" do - @tokenizer.tokenize('a."b"').should tokenize_to(sql_var('a'), dot, sql_var('b')) + SQLTree::Tokenizer.tokenize('a."b"').should tokenize_to(sql_var('a'), dot, sql_var('b')) end it "should tokenize commas" do - @tokenizer.tokenize('a , "b"').should tokenize_to(sql_var('a'), comma, sql_var('b')) + SQLTree::Tokenizer.tokenize('a , "b"').should tokenize_to(sql_var('a'), comma, sql_var('b')) end end # # Combined tokens are disabled for now; # # Combination is currently done in the parsing phase. # context "combining double keywords" do # it "should tokenize double keywords" do - # @tokenizer.tokenize('NOT LIKE').should tokenize_to(:not_like) + # SQLTree::Tokenizer.tokenize('NOT LIKE').should tokenize_to(:not_like) # end # end context "when tokenizing full queries or query fragments" do it "should tokenize a full SQL query" do - @tokenizer.tokenize("SELECT a.* FROM a_table AS a WHERE a.id > 1").should tokenize_to( + SQLTree::Tokenizer.tokenize("SELECT a.* FROM a_table AS a WHERE a.id > 1").should tokenize_to( :select, sql_var('a'), dot, :multiply, :from, sql_var('a_table'), :as, sql_var('a'), :where, sql_var('a'), dot, sql_var('id'), :gt, 1) end it "should tokenize a function call" do - @tokenizer.tokenize("MD5('test')").should tokenize_to(sql_var('MD5'), lparen, 'test', rparen) + SQLTree::Tokenizer.tokenize("MD5('test')").should tokenize_to(sql_var('MD5'), lparen, 'test', rparen) end end end