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tern_test.go
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tern_test.go
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package ternmigrator_test
import (
"embed"
"fmt"
"testing"
_ "github.com/jackc/pgx/v5/stdlib" // "pgx" driver
"github.com/peterldowns/testy/assert"
"github.com/peterldowns/testy/check"
"golang.org/x/net/context"
"github.com/peterldowns/pgtestdb"
"github.com/peterldowns/pgtestdb/migrators/ternmigrator"
)
func TestTernMigratorFromDisk(t *testing.T) {
t.Parallel()
ctx := context.Background()
m := ternmigrator.New("migrations")
db := pgtestdb.New(t, pgtestdb.Config{
DriverName: "pgx",
Host: "localhost",
User: "postgres",
Password: "password",
Port: "5433",
Options: "sslmode=disable",
}, m)
assert.NoFailures(t, func() {
var numMigrationsRan int
query := fmt.Sprintf("SELECT MAX(version) FROM %s;", m.TableName)
assert.Nil(t, db.QueryRowContext(ctx, query).Scan(&numMigrationsRan))
check.Equal(t, 2, numMigrationsRan)
})
var numUsers int
err := db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users").Scan(&numUsers)
assert.Nil(t, err)
check.Equal(t, 0, numUsers)
var numCats int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM cats").Scan(&numCats)
assert.Nil(t, err)
check.Equal(t, 0, numCats)
var numBlogPosts int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM blog_posts").Scan(&numBlogPosts)
assert.Nil(t, err)
check.Equal(t, 0, numBlogPosts)
}
//go:embed migrations/*.sql
var exampleFS embed.FS
func TestTernMigratorFromFS(t *testing.T) {
t.Parallel()
ctx := context.Background()
m := ternmigrator.New("migrations", ternmigrator.WithFS(exampleFS))
db := pgtestdb.New(t, pgtestdb.Config{
DriverName: "pgx",
Host: "localhost",
User: "postgres",
Password: "password",
Port: "5433",
Options: "sslmode=disable",
}, m)
assert.NoFailures(t, func() {
var numMigrationsRan int
query := fmt.Sprintf("SELECT MAX(version) FROM %s;", m.TableName)
assert.Nil(t, db.QueryRowContext(ctx, query).Scan(&numMigrationsRan))
check.Equal(t, 2, numMigrationsRan)
})
var numUsers int
err := db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users").Scan(&numUsers)
assert.Nil(t, err)
check.Equal(t, 0, numUsers)
var numCats int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM cats").Scan(&numCats)
assert.Nil(t, err)
check.Equal(t, 0, numCats)
var numBlogPosts int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM blog_posts").Scan(&numBlogPosts)
assert.Nil(t, err)
check.Equal(t, 0, numBlogPosts)
}
func TestTernMigratorWithTableName(t *testing.T) {
t.Parallel()
ctx := context.Background()
m := ternmigrator.New("migrations", ternmigrator.WithTableName("some_other_table"))
db := pgtestdb.New(t, pgtestdb.Config{
DriverName: "pgx",
Host: "localhost",
User: "postgres",
Password: "password",
Port: "5433",
Options: "sslmode=disable",
}, m)
assert.NoFailures(t, func() {
var numMigrationsRan int
query := fmt.Sprintf("SELECT MAX(version) FROM %s;", m.TableName)
assert.Nil(t, db.QueryRowContext(ctx, query).Scan(&numMigrationsRan))
check.Equal(t, 2, numMigrationsRan)
})
var numUsers int
err := db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users").Scan(&numUsers)
assert.Nil(t, err)
check.Equal(t, 0, numUsers)
var numCats int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM cats").Scan(&numCats)
assert.Nil(t, err)
check.Equal(t, 0, numCats)
var numBlogPosts int
err = db.QueryRowContext(ctx, "SELECT COUNT(*) FROM blog_posts").Scan(&numBlogPosts)
assert.Nil(t, err)
check.Equal(t, 0, numBlogPosts)
}