api: rename connection_pool to pool

By convention, packages are given lower case, single-word names; there
should be no need for underscores or mixedCaps [1].

1. https://go.dev/doc/effective_go#package-names

Closes #239

Author: oleg-jukovec

Makefile

@@ -44,11 +44,11 @@ test:
 testdata:
 	(cd ./testdata; ./generate.sh)
 
-.PHONY: test-connection-pool
-test-connection-pool:
-	@echo "Running tests in connection_pool package"
+.PHONY: test-pool
+test-pool:
+	@echo "Running tests in pool package"
 	go clean -testcache
-	go test -tags "$(TAGS)" ./connection_pool/ -v -p 1
+	go test -tags "$(TAGS)" ./pool/ -v -p 1
 
 .PHONY: test-datetime
 test-datetime:

README.md

@@ -28,6 +28,7 @@ faster than other packages according to public benchmarks.
   * [Walking\-through example](#walking-through-example)
   * [Migration to v2](#migration-to-v2)
     * [multi removed](#multi-subpackage)
+	* [connection_pool renamed to pool](#pool-subpackage)
     * [msgpack.v5 migration](#msgpackv5-migration)
 * [Contributing](#contributing)
 * [Alternative connectors](#alternative-connectors)
@@ -161,7 +162,11 @@ The article describes migration from go-tarantool to go-tarantool/v2.
 
 #### multi subpackage
 
-The subpackage has been deleted. You could use `connection_pool` instead.
+The subpackage has been deleted. You could use `pool` instead.
+
+#### pool subpackage
+
+The `connection_pool` subpackage has been renamed to `pool`.
 
 #### msgpack.v5 migration
 

connection_pool/call_16_test.go renamed to pool/call_16_test.go

@@ -1,13 +1,13 @@
 //go:build !go_tarantool_call_17
 // +build !go_tarantool_call_17
 
-package connection_pool_test
+package pool_test
 
 import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	"github.com/tarantool/go-tarantool/connection_pool"
+	"github.com/tarantool/go-tarantool/pool"
 	"github.com/tarantool/go-tarantool/test_helpers"
 )
 
@@ -17,14 +17,14 @@ func TestCall(t *testing.T) {
 	err := test_helpers.SetClusterRO(servers, connOpts, roles)
 	require.Nilf(t, err, "fail to set roles for cluster")
 
-	connPool, err := connection_pool.Connect(servers, connOpts)
+	connPool, err := pool.Connect(servers, connOpts)
 	require.Nilf(t, err, "failed to connect")
 	require.NotNilf(t, connPool, "conn is nil after Connect")
 
 	defer connPool.Close()
 
 	// PreferRO
-	resp, err := connPool.Call("box.info", []interface{}{}, connection_pool.PreferRO)
+	resp, err := connPool.Call("box.info", []interface{}{}, pool.PreferRO)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -35,7 +35,7 @@ func TestCall(t *testing.T) {
 	require.Truef(t, ro, "expected `true` with mode `PreferRO`")
 
 	// PreferRW
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.PreferRW)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.PreferRW)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -46,7 +46,7 @@ func TestCall(t *testing.T) {
 	require.Falsef(t, ro, "expected `false` with mode `PreferRW`")
 
 	// RO
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.RO)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.RO)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -57,7 +57,7 @@ func TestCall(t *testing.T) {
 	require.Truef(t, ro, "expected `true` with mode `RO`")
 
 	// RW
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.RW)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.RW)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")

connection_pool/call_17_test.go renamed to pool/call_17_test.go

@@ -1,13 +1,13 @@
 //go:build go_tarantool_call_17
 // +build go_tarantool_call_17
 
-package connection_pool_test
+package pool_test
 
 import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	"github.com/tarantool/go-tarantool/connection_pool"
+	"github.com/tarantool/go-tarantool/pool"
 	"github.com/tarantool/go-tarantool/test_helpers"
 )
 
@@ -17,14 +17,14 @@ func TestCall(t *testing.T) {
 	err := test_helpers.SetClusterRO(servers, connOpts, roles)
 	require.Nilf(t, err, "fail to set roles for cluster")
 
-	connPool, err := connection_pool.Connect(servers, connOpts)
+	connPool, err := pool.Connect(servers, connOpts)
 	require.Nilf(t, err, "failed to connect")
 	require.NotNilf(t, connPool, "conn is nil after Connect")
 
 	defer connPool.Close()
 
 	// PreferRO
-	resp, err := connPool.Call("box.info", []interface{}{}, connection_pool.PreferRO)
+	resp, err := connPool.Call("box.info", []interface{}{}, pool.PreferRO)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -35,7 +35,7 @@ func TestCall(t *testing.T) {
 	require.Truef(t, ro, "expected `true` with mode `PreferRO`")
 
 	// PreferRW
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.PreferRW)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.PreferRW)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -46,7 +46,7 @@ func TestCall(t *testing.T) {
 	require.Falsef(t, ro, "expected `false` with mode `PreferRW`")
 
 	// RO
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.RO)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.RO)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")
@@ -57,7 +57,7 @@ func TestCall(t *testing.T) {
 	require.Truef(t, ro, "expected `true` with mode `RO`")
 
 	// RW
-	resp, err = connPool.Call("box.info", []interface{}{}, connection_pool.RW)
+	resp, err = connPool.Call("box.info", []interface{}{}, pool.RW)
 	require.Nilf(t, err, "failed to Call")
 	require.NotNilf(t, resp, "response is nil after Call")
 	require.GreaterOrEqualf(t, len(resp.Data), 1, "response.Data is empty after Call")

connection_pool/config.lua renamed to pool/config.lua

@@ -8,7 +8,7 @@
 // - Automatic master discovery by mode parameter.
 //
 // Since: 1.6.0
-package connection_pool
+package pool
 
 import (
 	"errors"