buildroot/support/testing/tests/package/test_postgresql.py

198 lines
7.1 KiB
Python

import os
import infra.basetest
class TestPostgreSQL(infra.basetest.BRTest):
# We use a specific configuration for:
# - using Aarch64, to have more than 256MB memory,
# - to have an ext4 rootfs image exposed as a virtio storage
# (rather than cpio initrd). This will save some memory, as the
# rootfs image is big.
config = \
"""
BR2_aarch64=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.72"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
BR2_PACKAGE_POSTGRESQL=y
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
BR2_TARGET_ROOTFS_EXT2_SIZE="256M"
# BR2_TARGET_ROOTFS_TAR is not set
"""
def __init__(self, names):
super(TestPostgreSQL, self).__init__(names)
self.db_admin = "postgres"
self.db_user = "br_user"
self.db_name = "br_database"
self.backup_file = "dump.sql"
self.pgdata_dir = "/var/lib/pgsql"
def run_user_db_query(self, user, database, query, opts=None):
cmd = f"psql --username={user} --dbname={database}"
cmd += f' --command="{query}"'
if opts is not None:
cmd += " " + opts
self.assertRunOk(cmd)
def run_admin_sql_query(self, query, opts=None):
self.run_user_db_query(self.db_admin, self.db_admin, query, opts)
def run_sql_query(self, query, opts=None):
self.run_user_db_query(self.db_user, self.db_name, query, opts)
def cleanup_database(self):
# This cleanup is useful when run-test -k is used. It makes
# this test idempotent. Since the drive storage is preserved
# between reboots, this cleanup will prevent errors during the
# user/db creation.
# Drop the test database, if it exists.
cmd = f"dropdb --username={self.db_admin} "
cmd += f"--if-exists {self.db_name}"
self.assertRunOk(cmd)
# Drop the test user, if it exists.
cmd = f"dropuser --username={self.db_admin} "
cmd += f"--if-exists {self.db_user}"
self.assertRunOk(cmd)
def create_tables(self):
sql_query = "CREATE TABLE fruits ("
sql_query += "id integer PRIMARY KEY, name varchar(16) NOT NULL);"
self.run_sql_query(sql_query)
sql_query = "CREATE TABLE colors ("
sql_query += "id integer PRIMARY KEY, name varchar(16) NOT NULL);"
self.run_sql_query(sql_query)
sql_query = "CREATE TABLE fruit_colors ("
sql_query += "fruit_id integer REFERENCES fruits(id), "
sql_query += "color_id integer REFERENCES colors(id), "
sql_query += "UNIQUE (fruit_id, color_id));"
self.run_sql_query(sql_query)
def insert_data(self):
fruits = ["Banana", "Blueberry", "Orange", "Raspberry"]
fruit_id = 1
for fruit in fruits:
sql_query = "INSERT INTO fruits (id, name) "
sql_query += f"VALUES ({fruit_id}, '{fruit}');"
self.run_sql_query(sql_query)
fruit_id += 1
colors = ["Blue", "Orange", "Red", "Yellow"]
color_id = 1
for color in colors:
sql_query = "INSERT INTO colors (id, name) "
sql_query += f"VALUES ({color_id}, '{color}');"
self.run_sql_query(sql_query)
color_id += 1
fruit_colors = [(1, 4), (2, 1), (3, 2), (4, 3)]
for fruit_color in fruit_colors:
fruit_id, color_id = fruit_color
sql_query = "INSERT INTO fruit_colors (fruit_id, color_id) "
sql_query += f"VALUES ({fruit_id}, {color_id});"
self.run_sql_query(sql_query)
def query_database(self):
sql_query = "SELECT "
sql_query += "fruits.name AS fruit, colors.name AS color "
sql_query += "FROM fruits, colors, fruit_colors "
sql_query += "WHERE fruits.id = fruit_colors.fruit_id "
sql_query += "AND colors.id = fruit_colors.color_id "
sql_query += "ORDER BY fruit;"
self.run_sql_query(sql_query)
def test_run(self):
drive = os.path.join(self.builddir, "images", "rootfs.ext4")
kern = os.path.join(self.builddir, "images", "Image")
self.emulator.boot(arch="aarch64",
kernel=kern,
kernel_cmdline=["root=/dev/vda console=ttyAMA0"],
options=["-M", "virt",
"-cpu", "cortex-a57",
"-m", "512M",
"-smp", "2",
"-drive", f"file={drive},if=virtio,format=raw"])
self.emulator.login()
# Check the server binary can execute.
self.assertRunOk("postgres --version")
# Check the client binary can execute.
self.assertRunOk("psql --version")
# Check the server is ready.
self.assertRunOk("pg_isready")
# Query the server version from the client.
sql_query = "SELECT version();"
self.run_admin_sql_query(sql_query,
opts="--tuples-only --no-align")
self.cleanup_database()
# Create a new user.
cmd = f"createuser --username={self.db_admin} "
cmd += "--no-superuser --no-createdb --no-createrole "
cmd += self.db_user
self.assertRunOk(cmd)
# Create a new database.
cmd = f"createdb --username={self.db_admin} "
cmd += f"--owner={self.db_user} "
cmd += f'{self.db_name} "Test Database for Buildroot Test"'
self.assertRunOk(cmd)
self.create_tables()
self.insert_data()
self.query_database()
# Update a table.
sql_query = "UPDATE fruits SET name = 'Lemon' WHERE id = 1;"
self.run_sql_query(sql_query)
# Backup the test database.
cmd = f"pg_dump --username={self.db_user} --dbname={self.db_name} "
cmd += f"--file={self.backup_file} --inserts"
self.assertRunOk(cmd)
# Drop all the tables.
sql_query = "DROP TABLE fruit_colors, fruits, colors;"
self.run_sql_query(sql_query)
# Query the server status.
cmd = f"su - {self.db_admin} -c 'pg_ctl status -D {self.pgdata_dir}'"
self.assertRunOk(cmd)
# Stop the server.
cmd = f"su - {self.db_admin} -c 'pg_ctl stop -D {self.pgdata_dir}'"
self.assertRunOk(cmd)
# Check the server is no longer ready.
_, exit_code = self.emulator.run("pg_isready")
self.assertNotEqual(exit_code, 0)
# Restart the server.
cmd = f"su - {self.db_admin} -c 'pg_ctl start -D {self.pgdata_dir}'"
self.assertRunOk(cmd)
# Restore the backup.
cmd = f"psql --username={self.db_user} --dbname={self.db_name} "
cmd += f"--file={self.backup_file}"
self.assertRunOk(cmd)
# Query on last time our data, to check the backup restoration
# succeeded.
self.query_database()