221 lines
6.1 KiB
Crystal
221 lines
6.1 KiB
Crystal
require "./spec_helper"
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describe DB::Statement do
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it "should build prepared statements" do
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with_dummy_connection do |cnn|
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prepared = cnn.prepared("the query")
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prepared.should be_a(DB::Statement)
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prepared.as(DummyDriver::DummyStatement).prepared?.should be_true
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end
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end
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it "should build unprepared statements" do
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with_dummy_connection("prepared_statements=false") do |cnn|
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prepared = cnn.unprepared("the query")
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prepared.should be_a(DB::Statement)
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prepared.as(DummyDriver::DummyStatement).prepared?.should be_false
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end
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end
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describe "prepared_statements flag" do
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it "should build prepared statements if true" do
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with_dummy_connection("prepared_statements=true") do |cnn|
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stmt = cnn.query("the query").statement
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stmt.as(DummyDriver::DummyStatement).prepared?.should be_true
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end
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end
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it "should build unprepared statements if false" do
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with_dummy_connection("prepared_statements=false") do |cnn|
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stmt = cnn.query("the query").statement
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stmt.as(DummyDriver::DummyStatement).prepared?.should be_false
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end
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end
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end
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it "should initialize positional params in query" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.query "a", 1, nil
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stmt.params[0].should eq("a")
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stmt.params[1].should eq(1)
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stmt.params[2].should eq(nil)
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end
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end
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it "accepts array as single argument" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.query ["a", 1, nil]
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stmt.params[0].should eq(["a", 1, nil])
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end
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end
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it "allows no arguments" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.query
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stmt.params.should be_empty
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end
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end
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it "concatenate arguments" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.query 1, 2, args: ["a", [1, nil]]
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stmt.params[0].should eq(1)
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stmt.params[1].should eq(2)
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stmt.params[2].should eq("a")
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stmt.params[3].should eq([1, nil])
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end
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end
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it "should initialize positional params in query with array" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.query args: ["a", 1, nil]
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stmt.params[0].should eq("a")
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stmt.params[1].should eq(1)
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stmt.params[2].should eq(nil)
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end
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end
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it "should initialize positional params in exec" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.exec "a", 1, nil
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stmt.params[0].should eq("a")
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stmt.params[1].should eq(1)
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stmt.params[2].should eq(nil)
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end
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end
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it "accepts array as single argument" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.exec ["a", 1, nil]
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stmt.params[0].should eq(["a", 1, nil])
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end
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end
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it "should initialize positional params in exec with array" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.exec args: ["a", 1, nil]
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stmt.params[0].should eq("a")
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stmt.params[1].should eq(1)
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stmt.params[2].should eq(nil)
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end
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end
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it "allows no arguments" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.exec
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stmt.params.should be_empty
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end
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end
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it "concatenate arguments" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.exec 1, 2, args: ["a", [1, nil]]
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stmt.params[0].should eq(1)
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stmt.params[1].should eq(2)
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stmt.params[2].should eq("a")
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stmt.params[3].should eq([1, nil])
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end
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end
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it "should initialize positional params in scalar" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared("the query").as(DummyDriver::DummyStatement)
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stmt.scalar "a", 1, nil
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stmt.params[0].should eq("a")
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stmt.params[1].should eq(1)
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stmt.params[2].should eq(nil)
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end
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end
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it "query with block should not close statement" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.query
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stmt.closed?.should be_false
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end
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end
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it "closing connection should close statement" do
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stmt = uninitialized DB::Statement
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.query
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end
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stmt.closed?.should be_true
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end
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it "query with block should not close statement" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.query do |rs|
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end
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stmt.closed?.should be_false
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end
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end
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it "query should not close statement" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.query do |rs|
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end
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stmt.closed?.should be_false
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end
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end
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it "scalar should not close statement" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.scalar
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stmt.closed?.should be_false
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end
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end
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it "exec should not close statement" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared "3,4 1,2"
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stmt.exec
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stmt.closed?.should be_false
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end
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end
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it "connection should cache statements by query" do
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with_dummy_connection do |cnn|
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rs = cnn.prepared.query "1, ?", 2
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stmt = rs.statement
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rs.close
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rs = cnn.prepared.query "1, ?", 4
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rs.statement.should be(stmt)
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end
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end
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it "connection should be released if error occurs during exec" do
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with_dummy do |db|
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expect_raises DB::Error do
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db.exec "raise"
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end
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DummyDriver::DummyConnection.connections.size.should eq(1)
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db.pool.is_available?(DummyDriver::DummyConnection.connections.first)
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end
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end
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it "raises NoResultsError for scalar" do
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with_dummy_connection do |cnn|
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stmt = cnn.prepared ""
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expect_raises DB::NoResultsError do
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stmt.scalar "SELECT LIMIT 0"
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end
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end
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end
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end
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