status-im/status-go

package sqlite

import (
    "testing"

    "github.com/stretchr/testify/require"
)

func TestPrepareMigrationsEmpty(t *testing.T) {
    names, _, err := prepareMigrations(nil)
    require.NoError(t, err)
    require.Empty(t, names)
}

func TestPrepareMigrationsWithDefaultMigrations(t *testing.T) {
    names, _, err := prepareMigrations(defaultMigrations)
    require.NoError(t, err)
    require.NotEmpty(t, names)
}

func TestPrepareMigrationsErrors(t *testing.T) {
    // Two migrations with the same name in the same set.
    names, _, err := prepareMigrations([]migrationsWithGetter{
        {
            Names:  []string{"name1.sql", "name1.sql"},
            Getter: nil,
        },
    })
    require.EqualError(t, err, "migration with name name1.sql already exists")
    require.Empty(t, names)

    // Two migrations with the same name in different sets.
    names, _, err = prepareMigrations([]migrationsWithGetter{
        {
            Names:  []string{"name2.sql"},
            Getter: nil,
        },
        {
            Names:  []string{"name2.sql"},
            Getter: nil,
        },
    })
    require.EqualError(t, err, "migration with name name2.sql already exists")
    require.Empty(t, names)

    // No getter for a migration.
    _, getter, err := prepareMigrations([]migrationsWithGetter{
        {
            Names:  []string{"name3.sql"},
            Getter: nil,
        },
    })
    require.NoError(t, err)
    _, err = getter("non-existing-migration.sql")
    require.EqualError(t, err, "no migration for name non-existing-migration.sql")
}