mirror of
https://github.com/xorcare/testing-go-code-with-postgres.git
synced 2024-12-27 16:33:05 +02:00
96 lines
2.0 KiB
Go
96 lines
2.0 KiB
Go
// Copyright (c) 2023 Vasiliy Vasilyuk. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package testingpg_test
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import (
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"context"
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"testing"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/stretchr/testify/require"
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"github.com/xorcare/testing-go-code-with-postgres/testingpg"
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)
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func TestNewPostgres(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode")
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}
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t.Parallel()
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t.Run("Successfully connect by URL and get version", func(t *testing.T) {
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t.Parallel()
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// Arrange
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postgres := testingpg.New(t)
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ctx := context.Background()
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dbPool, err := pgxpool.New(ctx, postgres.URL())
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require.NoError(t, err)
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// Act
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var version string
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err = dbPool.QueryRow(ctx, "SELECT version();").Scan(&version)
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// Assert
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require.NoError(t, err)
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require.NotEmpty(t, version)
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t.Log(version)
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})
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t.Run("Successfully obtained a version using a pre-configured conn", func(t *testing.T) {
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t.Parallel()
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// Arrange
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postgres := testingpg.New(t)
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ctx := context.Background()
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// Act
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var version string
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err := postgres.PgxPool().QueryRow(ctx, "SELECT version();").Scan(&version)
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// Assert
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require.NoError(t, err)
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require.NotEmpty(t, version)
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t.Log(version)
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})
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t.Run("Changes are not visible in different instances", func(t *testing.T) {
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t.Parallel()
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// Arrange
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postgres1 := testingpg.New(t)
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postgres2 := testingpg.New(t)
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ctx := context.Background()
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// Act
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const sql = `CREATE TABLE "no_conflict" (id integer PRIMARY KEY)`
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_, err1 := postgres1.PgxPool().Exec(ctx, sql)
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_, err2 := postgres2.PgxPool().Exec(ctx, sql)
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// Assert
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require.NoError(t, err1)
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require.NoError(t, err2, "databases must be isolated for each instance")
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})
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t.Run("URL is different at different instances", func(t *testing.T) {
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t.Parallel()
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// Arrange
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postgres1 := testingpg.New(t)
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postgres2 := testingpg.New(t)
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// Act
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url1 := postgres1.URL()
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url2 := postgres2.URL()
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// Assert
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require.NotEqual(t, url1, url2)
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})
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}
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