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