Merge pull request #67 from lucasmenezesds/grammar-unit-tests

Moved Grammar unit tests

spec/lrama/grammar/code_spec.rb

@@ -0,0 +1,27 @@
+RSpec.describe Lrama::Grammar::Code do
+  let(:token_class) { Lrama::Lexer::Token }
+  let(:user_code_token) { token_class.new(type: T::User_code, s_value: "{ code 1 }") }
+  let(:initial_act_token) { token_class.new(type: T::P_initial_action, s_value: "%initial-action") }
+
+  describe "#translated_code" do
+    context "when the code type is :user_code" do
+      it "calls #translated_user_code" do
+        code = described_class.new(type: :user_code, token_code: user_code_token)
+
+        expect(code).to receive(:translated_user_code)
+
+        code.translated_code
+      end
+    end
+
+    context "when the code type is :initial_action" do
+      it "calls #translated_initial_action_code" do
+        code = described_class.new(type: :initial_action, token_code: initial_act_token)
+
+        expect(code).to receive(:translated_initial_action_code)
+
+        code.translated_code
+      end
+    end
+  end
+end

spec/lrama/grammar/symbol_spec.rb

@@ -0,0 +1,56 @@
+RSpec.describe Lrama::Grammar::Symbol do
+  let(:token_class) { Lrama::Lexer::Token }
+
+  describe "#enum_name" do
+    describe "symbol is accept_symbol" do
+      it "returns 'YYSYMBOL_YYACCEPT'" do
+        sym = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "$accept"))
+        sym.accept_symbol = true
+
+        expect(sym.enum_name).to eq("YYSYMBOL_YYACCEPT")
+      end
+    end
+
+    describe "symbol is eof_symbol" do
+      it "returns 'YYSYMBOL_YYEOF'" do
+        sym = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "YYEOF"), alias_name: "\"end of file\"", token_id: 0)
+        sym.number = 0
+        sym.eof_symbol = true
+
+        expect(sym.enum_name).to eq("YYSYMBOL_YYEOF")
+      end
+    end
+
+    describe "symbol's token_id is less than 128" do
+      it "returns 'YYSYMBOL_number_[alias_name_]'" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'\\\\'"), alias_name: "\"backslash\"", token_id: 92, number: 70, term: true)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'.'"), alias_name: nil, token_id: 46, number: 69, term: true)
+        sym3 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'\\n'"), alias_name: nil, token_id: 10, number: 162, term: true)
+
+        expect(sym1.enum_name).to eq("YYSYMBOL_70_backslash_")
+        expect(sym2.enum_name).to eq("YYSYMBOL_69_")
+        expect(sym3.enum_name).to eq("YYSYMBOL_162_n_")
+      end
+    end
+
+    describe "symbol includes $ or @" do
+      it "returns 'YYSYMBOL_number_ref" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "$@1"), token_id: -1, number: 165, term: false)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "@2"), token_id: -1, number: 166, term: false)
+
+        expect(sym1.enum_name).to eq("YYSYMBOL_165_1")
+        expect(sym2.enum_name).to eq("YYSYMBOL_166_2")
+      end
+    end
+
+    describe "symbol's token_id is greater than 127" do
+      it "returns 'YYSYMBOL_number_ref" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "keyword_class"), alias_name: "\"`class'\"", token_id: 258, number: 3, term: true)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "top_compstmt"), token_id: 166, number: -1, term: false)
+
+        expect(sym1.enum_name).to eq("YYSYMBOL_keyword_class")
+        expect(sym2.enum_name).to eq("YYSYMBOL_top_compstmt")
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -25,6 +25,10 @@
   config.expect_with :rspec do |c|
     c.syntax = :expect
   end
+
+  # Allow to limit the run of the specs
+  # NOTE: Please do not commit the filter option.
+  # config.filter_run_when_matching :focus
 end
 
 def fixture_path(file_name)