87 lines
1.9 KiB
Crystal
87 lines
1.9 KiB
Crystal
require "spec"
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require "db"
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require "./dummy_driver"
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private def connections
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DummyDriver::DummyConnection.connections
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end
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describe DB do
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it "should get driver class by name" do
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DB.driver_class("dummy").should eq(DummyDriver)
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end
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it "should instantiate driver with connection uri" do
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db = DB.open "dummy://localhost:1027"
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db.driver.should be_a(DummyDriver)
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db.uri.scheme.should eq("dummy")
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db.uri.host.should eq("localhost")
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db.uri.port.should eq(1027)
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end
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it "should create a connection and close it" do
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DummyDriver::DummyConnection.clear_connections
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DB.open "dummy://localhost" do |db|
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end
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connections.size.should eq(1)
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connections.first.closed?.should be_true
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end
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it "query should close result_set" do
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with_witness do |w|
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with_dummy do |db|
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db.query "1,2" do
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break
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end
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w.check
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DummyDriver::DummyResultSet.last_result_set.closed?.should be_true
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end
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end
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end
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it "scalar should close statement" do
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with_dummy do |db|
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db.scalar "1"
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DummyDriver::DummyResultSet.last_result_set.closed?.should be_true
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end
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end
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it "initially a single connection should be created" do
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with_dummy do |db|
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connections.size.should eq(1)
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end
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end
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it "the connection should be closed after db usage" do
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with_dummy do |db|
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connections.first.closed?.should be_false
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end
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connections.first.closed?.should be_true
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end
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it "should raise if the sole connection is been used" do
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with_dummy do |db|
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db.query "1" do |rs|
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expect_raises Exception, /DB Pool Exhausted/ do
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db.scalar "2"
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end
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end
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end
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end
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it "exec should return to pool" do
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with_dummy do |db|
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db.exec "foo"
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db.exec "bar"
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end
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end
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it "scalar should return to pool" do
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with_dummy do |db|
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db.scalar "foo"
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db.scalar "bar"
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end
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end
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end
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