shard-crystal-db/spec/dummy_driver_spec.cr

144 lines
3.8 KiB
Crystal
Raw Normal View History

require "./spec_helper"
describe DummyDriver do
it "with_dummy executes the block with a database" do
with_witness do |w|
with_dummy do |db|
w.check
db.should be_a(DB::Database)
end
end
end
describe DummyDriver::DummyStatement do
it "should enumerate split rows by spaces" do
with_dummy do |db|
rs = db.query("")
rs.move_next.should be_false
rs.close
rs = db.query("a,b")
rs.move_next.should be_true
rs.move_next.should be_false
rs.close
rs = db.query("a,b 1,2")
rs.move_next.should be_true
rs.move_next.should be_true
rs.move_next.should be_false
rs.close
rs = db.query("a,b 1,2 c,d")
rs.move_next.should be_true
rs.move_next.should be_true
rs.move_next.should be_true
rs.move_next.should be_false
rs.close
end
end
# it "should query with block should executes always" do
# with_witness do |w|
# with_dummy do |db|
# db.query "a" do |rs|
# w.check
# end
# end
# end
# end
#
# it "should query with block should executes always" do
# with_witness do |w|
# with_dummy do |db|
# db.query "lorem ipsum" do |rs|
# w.check
# end
# end
# end
# end
it "should enumerate string fields" do
with_dummy do |db|
db.query "a,b 1,2" do |rs|
rs.move_next
rs.read(String).should eq("a")
rs.read(String).should eq("b")
rs.move_next
rs.read(String).should eq("1")
rs.read(String).should eq("2")
end
end
end
it "should enumerate nil fields" do
with_dummy do |db|
db.query "a,NULL 1,NULL" do |rs|
rs.move_next
rs.read?(String).should eq("a")
rs.read?(String).should be_nil
rs.move_next
rs.read?(Int64).should eq(1)
rs.read?(Int64).should be_nil
end
end
end
it "should enumerate int64 fields" do
with_dummy do |db|
db.query "3,4 1,2" do |rs|
rs.move_next
rs.read(Int64).should eq(3i64)
rs.read(Int64).should eq(4i64)
rs.move_next
rs.read(Int64).should eq(1i64)
rs.read(Int64).should eq(2i64)
end
end
end
2016-01-28 23:51:03 +00:00
it "should enumerate blob fields" do
with_dummy do |db|
db.query("az,AZ") do |rs|
rs.move_next
ary = [97u8, 122u8]
rs.read(Slice(UInt8)).should eq(Slice.new(ary.to_unsafe, ary.size))
ary = [65u8, 90u8]
rs.read(Slice(UInt8)).should eq(Slice.new(ary.to_unsafe, ary.size))
end
end
end
it "should get Nil scalars" do
with_dummy do |db|
DummyDriver::DummyResultSet.next_column_type = Nil
db.scalar("NULL").should be_nil
end
2016-01-28 23:51:03 +00:00
end
{% for value in [1, 1_i64, "hello", 1.5, 1.5_f32] %}
it "numeric scalars of type of {{value.id}} should return value or nil" do
with_dummy do |db|
DummyDriver::DummyResultSet.next_column_type = typeof({{value}})
db.scalar("#{{{value}}}").should eq({{value}})
end
end
it "should set positional arguments for {{value.id}}" do
with_dummy do |db|
DummyDriver::DummyResultSet.next_column_type = typeof({{value}})
db.scalar("?", {{value}}).should eq({{value}})
end
end
{% end %}
it "executes and selects blob" do
with_dummy do |db|
ary = UInt8[0x53, 0x51, 0x4C]
slice = Slice.new(ary.to_unsafe, ary.size)
DummyDriver::DummyResultSet.next_column_type = typeof(slice)
(db.scalar("?", slice) as Slice(UInt8)).to_a.should eq(ary)
end
end
end
end