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Diffstat (limited to 'test/visitors/test_to_sql.rb')
-rw-r--r-- | test/visitors/test_to_sql.rb | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb new file mode 100644 index 0000000000..f7455d7fa3 --- /dev/null +++ b/test/visitors/test_to_sql.rb @@ -0,0 +1,134 @@ +require 'spec_helper' + +module Arel + module Visitors + describe 'the to_sql visitor' do + before do + @visitor = ToSql.new Table.engine + @attr = Table.new(:users)[:id] + end + + describe 'equality' do + it 'should handle false' do + sql = @visitor.accept Nodes::Equality.new(false, false) + sql.must_be_like %{ 'f' = 'f' } + end + + it 'should use the column to quote' do + table = Table.new(:users) + sql = @visitor.accept Nodes::Equality.new(table[:id], '1-fooo') + sql.must_be_like %{ "users"."id" = 1 } + end + end + + it "should visit_DateTime" do + @visitor.accept DateTime.now + end + + it "should visit_Float" do + @visitor.accept 2.14 + end + + it "should visit_Hash" do + @visitor.accept({:a => 1}) + end + + it "should visit_BigDecimal" do + @visitor.accept BigDecimal.new('2.14') + end + + it "should visit_Date" do + @visitor.accept Date.today + end + + it "should visit_Arel_Nodes_And" do + node = Nodes::And.new @attr.eq(10), @attr.eq(11) + @visitor.accept(node).must_be_like %{ + "users"."id" = 10 AND "users"."id" = 11 + } + end + + it "should visit_Arel_Nodes_Or" do + node = Nodes::Or.new @attr.eq(10), @attr.eq(11) + @visitor.accept(node).must_be_like %{ + "users"."id" = 10 OR "users"."id" = 11 + } + end + + it "should visit visit_Arel_Attributes_Time" do + attr = Attributes::Time.new(@attr.relation, @attr.name, @attr.column) + @visitor.accept attr + end + + it "should visit_TrueClass" do + test = @attr.eq(true) + test.left.column.type = :boolean + @visitor.accept(test).must_be_like %{ "users"."id" = 't' } + end + + describe "Nodes::Ordering" do + it "should know how to visit" do + node = @attr.desc + @visitor.accept(node).must_be_like %{ + "users"."id" DESC + } + end + end + + describe "Nodes::In" do + it "should know how to visit" do + node = @attr.in [1, 2, 3] + @visitor.accept(node).must_be_like %{ + "users"."id" IN (1, 2, 3) + } + end + + it "should turn empty right to NULL" do + node = @attr.in [] + @visitor.accept(node).must_be_like %{ + "users"."id" IN (NULL) + } + end + + it 'can handle two dot ranges' do + node = @attr.in 1..3 + @visitor.accept(node).must_be_like %{ + "users"."id" BETWEEN 1 AND 3 + } + end + + it 'can handle three dot ranges' do + node = @attr.in 1...3 + @visitor.accept(node).must_be_like %{ + "users"."id" >= 1 AND "users"."id" < 3 + } + end + + it 'uses the same column for escaping values' do + visitor = Class.new(ToSql) do + attr_accessor :expected + + def quote value, column = nil + raise unless column == expected + super + end + end + in_node = Nodes::In.new @attr, %w{ a b c } + visitor = visitor.new(Table.engine) + visitor.expected = @attr.column + visitor.accept(in_node).must_equal %("users"."id" IN ('a', 'b', 'c')) + end + end + + describe 'Equality' do + it "should escape strings" do + test = @attr.eq 'Aaron Patterson' + test.left.column.type = :string + @visitor.accept(test).must_be_like %{ + "users"."id" = 'Aaron Patterson' + } + end + end + end + end +end |