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migration_test.go
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migration_test.go
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package gloat
import (
"io/ioutil"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestMigrationReversible(t *testing.T) {
m := Migration{}
assert.False(t, m.Reversible())
m.DownSQL = []byte("DROP TABLE users;")
assert.True(t, m.Reversible())
}
func TestMigrationPersistable(t *testing.T) {
m := Migration{}
if m.Persistable() {
t.Fatalf("Expected %v to not be persistable", m)
}
m.Path = "migrations/0001_something"
assert.True(t, m.Persistable())
}
func TestMigrationFromPath(t *testing.T) {
expectedPath := "testdata/migrations/20170329154959_introduce_domain_model"
m, err := MigrationFromBytes(expectedPath, ioutil.ReadFile)
assert.Nil(t, err)
assert.Equal(t, int64(20170329154959), m.Version)
assert.Equal(t, expectedPath, m.Path)
}
func TestMigrationsExcept(t *testing.T) {
var migrations Migrations
expectedPath := "testdata/migrations/20170329154959_introduce_domain_model"
m, err := MigrationFromBytes(expectedPath, ioutil.ReadFile)
assert.Nil(t, err)
migrations = append(migrations, m)
exceptedMigrations := migrations.Except(nil)
assert.Nil(t, exceptedMigrations)
exceptedMigrations = migrations.Except(Migrations{m})
assert.Len(t, exceptedMigrations, 0)
}
func TestMigrationsIntersect(t *testing.T) {
var migrations Migrations
first := "testdata/migrations/20170329154959_introduce_domain_model"
m1, err := MigrationFromBytes(first, ioutil.ReadFile)
assert.Nil(t, err)
second := "testdata/migrations/20180905150724_concurrent_migration"
m2, err := MigrationFromBytes(second, ioutil.ReadFile)
assert.Nil(t, err)
migrations = append(migrations, m1)
migrations = append(migrations, m2)
result := migrations.Intersect(nil)
assert.Len(t, result, 0)
result = migrations.Intersect(Migrations{m1})
assert.Len(t, result, 1)
result = migrations.Intersect(Migrations{m1, m2})
assert.Len(t, result, 2)
}
func TestMigrationsSort(t *testing.T) {
var migrations Migrations
first := "testdata/migrations/20170329154959_introduce_domain_model"
m1, err := MigrationFromBytes(first, ioutil.ReadFile)
assert.Nil(t, err)
second := "testdata/migrations/20180905150724_concurrent_migration"
m2, err := MigrationFromBytes(second, ioutil.ReadFile)
assert.Nil(t, err)
migrations = append(migrations, m2)
migrations = append(migrations, m1)
migrations.Sort()
assert.Equal(t, migrations[0].Version, m1.Version)
m1.AppliedAt = time.Now().UTC()
m2.AppliedAt = m1.AppliedAt.Add(-1 * time.Hour)
migrations.Sort()
assert.Equal(t, migrations[0].Version, m2.Version)
}
func TestMigrationsReverseSort(t *testing.T) {
var migrations Migrations
first := "testdata/migrations/20170329154959_introduce_domain_model"
m1, err := MigrationFromBytes(first, ioutil.ReadFile)
assert.Nil(t, err)
second := "testdata/migrations/20180905150724_concurrent_migration"
m2, err := MigrationFromBytes(second, ioutil.ReadFile)
assert.Nil(t, err)
migrations = append(migrations, m2)
migrations = append(migrations, m1)
migrations.ReverseSort()
assert.Equal(t, migrations[0].Version, m2.Version)
m1.AppliedAt = time.Now().UTC()
m2.AppliedAt = m1.AppliedAt.Add(time.Hour)
migrations.ReverseSort()
assert.Equal(t, migrations[0].Version, m2.Version)
}