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require_relative "spec_helper"
describe "set_literalizer extension" do
before do
@db = Sequel.mock
@db.extension :set_literalizer
@set = Set.new([1, 'c'])
@empty_set = Set.new([])
@cond_set = Set.new([[:c, 'c'], [:d, 2]])
end
it "should allow literalizing Set instances" do
@db.literal(@set).must_equal "(1, 'c')"
@db.literal(@empty_set).must_equal "(NULL)"
@db.literal(@cond_set).must_equal "((c = 'c') AND (d = 2))"
end
it "should automatically handle Set instances in right hand side of condition specifiers the same as array instances" do
@db[:a].where(:b=>@set).sql.must_equal "SELECT * FROM a WHERE (b IN (1, 'c'))"
@db[:a].where(:b=>@empty_set).sql.must_equal "SELECT * FROM a WHERE (1 = 0)"
@db[:a].where([:b, :e]=>@cond_set).sql.must_equal "SELECT * FROM a WHERE ((b, e) IN ((c, 'c'), (d, 2)))"
@db[:a].where(:f=>@cond_set).sql.must_equal "SELECT * FROM a WHERE (f IN ((c = 'c') AND (d = 2)))"
@db[:a].exclude(:b=>@set).sql.must_equal "SELECT * FROM a WHERE (b NOT IN (1, 'c'))"
@db[:a].exclude(:b=>@empty_set).sql.must_equal "SELECT * FROM a WHERE (1 = 1)"
@db[:a].exclude([:b, :e]=>@cond_set).sql.must_equal "SELECT * FROM a WHERE ((b, e) NOT IN ((c, 'c'), (d, 2)))"
@db[:a].exclude(:f=>@cond_set).sql.must_equal "SELECT * FROM a WHERE (f NOT IN ((c = 'c') AND (d = 2)))"
@db[:a].where(:b=>@set).sql.must_equal @db[:a].where(:b=>@set.to_a).sql
@db[:a].where(:b=>@empty_set).sql.must_equal @db[:a].where(:b=>@empty_set.to_a).sql
@db[:a].where([:b, :e]=>@cond_set).sql.must_equal @db[:a].where([:b, :e]=>@cond_set.to_a).sql
@db[:a].where(:f=>@cond_set).sql.must_equal @db[:a].where(:f=>@cond_set.to_a).sql
@db[:a].exclude(:b=>@set).sql.must_equal @db[:a].exclude(:b=>@set.to_a).sql
@db[:a].exclude(:b=>@empty_set).sql.must_equal @db[:a].exclude(:b=>@empty_set.to_a).sql
@db[:a].exclude([:b, :e]=>@cond_set).sql.must_equal @db[:a].exclude([:b, :e]=>@cond_set.to_a).sql
@db[:a].exclude(:f=>@cond_set).sql.must_equal @db[:a].exclude(:f=>@cond_set.to_a).sql
end
it "should not affect literalization of other objects or complex expressions" do
@db[:a].where(:b=>1).sql.must_equal "SELECT * FROM a WHERE (b = 1)"
o = Object.new
def o.sql_literal_append(ds, sql)
sql << '2'
end
@db[:a].where(:b=>o).sql.must_equal "SELECT * FROM a WHERE (b = 2)"
end
end
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