diff options
Diffstat (limited to 'activerecord/test/cases/arel/visitors/oracle12_test.rb')
-rw-r--r-- | activerecord/test/cases/arel/visitors/oracle12_test.rb | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/visitors/oracle12_test.rb b/activerecord/test/cases/arel/visitors/oracle12_test.rb new file mode 100644 index 0000000000..4ce5cab4db --- /dev/null +++ b/activerecord/test/cases/arel/visitors/oracle12_test.rb @@ -0,0 +1,100 @@ +# frozen_string_literal: true + +require_relative "../helper" + +module Arel + module Visitors + class Oracle12Test < Arel::Spec + before do + @visitor = Oracle12.new Table.engine.connection + @table = Table.new(:users) + end + + def compile(node) + @visitor.accept(node, Collectors::SQLString.new).value + end + + it "modified except to be minus" do + left = Nodes::SqlLiteral.new("SELECT * FROM users WHERE age > 10") + right = Nodes::SqlLiteral.new("SELECT * FROM users WHERE age > 20") + sql = compile Nodes::Except.new(left, right) + sql.must_be_like %{ + ( SELECT * FROM users WHERE age > 10 MINUS SELECT * FROM users WHERE age > 20 ) + } + end + + it "generates select options offset then limit" do + stmt = Nodes::SelectStatement.new + stmt.offset = Nodes::Offset.new(1) + stmt.limit = Nodes::Limit.new(10) + sql = compile(stmt) + sql.must_be_like "SELECT OFFSET 1 ROWS FETCH FIRST 10 ROWS ONLY" + end + + describe "locking" do + it "generates ArgumentError if limit and lock are used" do + stmt = Nodes::SelectStatement.new + stmt.limit = Nodes::Limit.new(10) + stmt.lock = Nodes::Lock.new(Arel.sql("FOR UPDATE")) + assert_raises ArgumentError do + compile(stmt) + end + end + + it "defaults to FOR UPDATE when locking" do + node = Nodes::Lock.new(Arel.sql("FOR UPDATE")) + compile(node).must_be_like "FOR UPDATE" + end + end + + describe "Nodes::BindParam" do + it "increments each bind param" do + query = @table[:name].eq(Arel::Nodes::BindParam.new(1)) + .and(@table[:id].eq(Arel::Nodes::BindParam.new(1))) + compile(query).must_be_like %{ + "users"."name" = :a1 AND "users"."id" = :a2 + } + end + end + + describe "Nodes::IsNotDistinctFrom" do + it "should construct a valid generic SQL statement" do + test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson" + compile(test).must_be_like %{ + DECODE("users"."name", 'Aaron Patterson', 0, 1) = 0 + } + end + + it "should handle column names on both sides" do + test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name] + compile(test).must_be_like %{ + DECODE("users"."first_name", "users"."last_name", 0, 1) = 0 + } + end + + it "should handle nil" do + @table = Table.new(:users) + val = Nodes.build_quoted(nil, @table[:active]) + sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val) + sql.must_be_like %{ "users"."name" IS NULL } + end + end + + describe "Nodes::IsDistinctFrom" do + it "should handle column names on both sides" do + test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name] + compile(test).must_be_like %{ + DECODE("users"."first_name", "users"."last_name", 0, 1) = 1 + } + end + + it "should handle nil" do + @table = Table.new(:users) + val = Nodes.build_quoted(nil, @table[:active]) + sql = compile Nodes::IsDistinctFrom.new(@table[:name], val) + sql.must_be_like %{ "users"."name" IS NOT NULL } + end + end + end + end +end |