100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package db
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestUnitNewDriver(t *testing.T) {
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tmpDir := t.TempDir()
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tests := []struct {
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name string
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driver string
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dsn string
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expectedFilePath string
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wantErr bool
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}{
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{
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name: "SQLite In-Memory",
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driver: "sqlite",
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dsn: ":memory:",
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expectedFilePath: ":memory:",
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wantErr: false,
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},
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{
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name: "SQLite File",
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driver: "sqlite",
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dsn: tmpDir + "/evcc.db",
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expectedFilePath: tmpDir + "/evcc.db",
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wantErr: false,
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},
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{
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name: "SQLite with connection parameters",
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driver: "sqlite",
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dsn: tmpDir + "evcc.db?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)",
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wantErr: false,
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expectedFilePath: tmpDir + "evcc.db",
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},
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{
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name: "Unsupported Driver",
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driver: "postgresql",
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dsn: "/var/lib/evcc/evcc.db",
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wantErr: true,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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// Reset file path
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filePath = ""
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driver, err := New(test.driver, test.dsn)
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if test.wantErr {
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assert.Error(t, err)
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assert.Nil(t, driver)
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} else {
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assert.NoError(t, err)
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assert.NotNil(t, driver)
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}
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assert.Equal(t, test.expectedFilePath, FilePath())
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})
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}
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}
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type migrationParent struct {
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Id int `gorm:"column:id;primarykey"`
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}
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func (migrationParent) TableName() string { return "migration_parents" }
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type migrationChild struct {
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ParentId int `gorm:"column:parent_id"`
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Parent migrationParent `gorm:"foreignkey:ParentId;references:Id"`
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}
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func (migrationChild) TableName() string { return "migration_children" }
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// TestUnitMigrateConstraint guards against migrator implementations that pin a
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// connection and then query the pool again: the single connection deadlocks.
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func TestUnitMigrateConstraint(t *testing.T) {
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db, err := New("sqlite", t.TempDir()+"/evcc.db")
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require.NoError(t, err)
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// existing table without the foreign key, forces the migrator to recreate it
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require.NoError(t, db.Exec("CREATE TABLE migration_children (parent_id integer)").Error)
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done := make(chan error, 1)
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go func() { done <- db.AutoMigrate(new(migrationParent), new(migrationChild)) }()
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select {
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case err := <-done:
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require.NoError(t, err)
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case <-time.After(10 * time.Second):
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t.Fatal("AutoMigrate deadlocked")
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}
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}
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