Function TestPostgresConfigOverride

pkg/ddevapp/config_test.go:1167–1213

TestPostgresConfigOverride makes sure that overriding Postgres config works

(t *testing.T)

// TestPostgresConfigOverride makes sure that overriding Postgres config works
func TestPostgresConfigOverride(t *testing.T) {
	assert := asrt.New(t)
	origDir, _ := os.Getwd()
	tmpDir := testcommon.CreateTmpDir(t.Name())
	err := os.Chdir(tmpDir)
	require.NoError(t, err)

	app, err := ddevapp.NewApp(tmpDir, false)
	require.NoError(t, err)
	app.Name = t.Name()
	app.Database = ddevapp.DatabaseDesc{Type: nodeps.Postgres, Version: nodeps.PostgresDefaultVersion}
	err = app.WriteConfig()
	require.NoError(t, err)

	t.Cleanup(func() {
		err = os.Chdir(origDir)
		assert.NoError(err)
		err = app.Stop(true, false)
		assert.NoError(err)
		_ = os.RemoveAll(tmpDir)
	})

	err = app.Start()
	require.NoError(t, err)

	out, stderr, err := app.Exec(&ddevapp.ExecOpts{
		Service: "db",
		Cmd:     `psql -t -c "SELECT setting FROM pg_settings WHERE name='max_connections'"`,
	})
	assert.NoError(err)
	assert.Equal(" 100\n\n", out, "out: %s, stderr: %s", out, stderr)

	cfg, err := fileutil.ReadFileIntoString(app.GetConfigPath("postgres/postgresql.conf"))
	require.NoError(t, err)
	cfg = strings.ReplaceAll(cfg, "#ddev-generated", "#")
	cfg = strings.ReplaceAll(cfg, `max_connections = 100`, `max_connections = 200`)
	err = fileutil.TemplateStringToFile(cfg, nil, app.GetConfigPath("postgres/postgresql.conf"))
	require.NoError(t, err)
	err = app.Restart()
	require.NoError(t, err)
	out, stderr, err = app.Exec(&ddevapp.ExecOpts{
		Service: "db",
		Cmd:     `psql -t -c "SELECT setting FROM pg_settings WHERE name='max_connections'"`,
	})
	assert.NoError(err)
	assert.Equal(" 200\n\n", out, "out: %s, stderr: %s", out, stderr)
}

// TestExtraPackages tests to make sure that *extra_packages config.yaml directives
// work (and are overridden by *-build/Dockerfile).