141 lines
4.6 KiB
Go
141 lines
4.6 KiB
Go
// The MIT License (MIT)
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//
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// Original Work
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// Copyright (c) 2016 Matthias Kadenbach
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// https://github.com/mattes/migrate
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//
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// Modified Work
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// Copyright (c) 2018 Dale Hui
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// https://github.com/golang-migrate/migrate
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package postgres
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import (
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"bytes"
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"context"
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"database/sql"
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"testing"
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"time"
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"github.com/golang-migrate/migrate/v4/database"
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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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// test runs tests against database implementations.
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func test(t *testing.T, d *Postgres, migration []byte) {
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if migration == nil {
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t.Fatal("test must provide migration reader")
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}
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ctx := context.Background()
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v, alreadyRan, dirty, err := d.CurrentState(ctx)
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require.NoError(t, err)
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assert.False(t, alreadyRan)
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assert.False(t, dirty)
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assert.Equal(t, nilVersion, v)
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testLockAndUnlock(t, d)
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assert.NoError(t, d.EnsureVersionTable(ctx))
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assert.NoError(t, d.Run(ctx, bytes.NewReader(migration), 1))
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testSetVersion(t, d) // also tests CurrentState()
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// drop breaks the driver, so test it last.
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assert.NoError(t, d.drop(ctx))
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}
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func testLockAndUnlock(t *testing.T, d *Postgres) {
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ctx := context.Background()
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ctx, _ = context.WithTimeout(ctx, 15*time.Second)
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// locking twice is ok, no error
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require.NoError(t, d.Lock(ctx))
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assert.NoError(t, d.Lock(ctx))
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// Unlock
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assert.NoError(t, d.Unlock(ctx))
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// try to Lock
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assert.NoError(t, d.Lock(ctx))
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assert.NoError(t, d.Unlock(ctx))
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}
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func testSetVersion(t *testing.T, d *Postgres) {
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ctx := context.Background()
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require.NoError(t, d.EnsureVersionTable(ctx))
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// nolint:maligned
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testCases := []struct {
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name string
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version int
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dirty bool
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expectedErr error
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expectedReadErr error
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expectedVersion int
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expectedDirty bool
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}{
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{name: "set 1 dirty", version: 1, dirty: true, expectedErr: nil, expectedReadErr: nil, expectedVersion: 1, expectedDirty: true},
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{name: "re-set 1 dirty", version: 1, dirty: true, expectedErr: nil, expectedReadErr: nil, expectedVersion: 1, expectedDirty: true},
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{name: "set 2 clean", version: 2, dirty: false, expectedErr: nil, expectedReadErr: nil, expectedVersion: 2, expectedDirty: false},
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{name: "re-set 2 clean", version: 2, dirty: false, expectedErr: nil, expectedReadErr: nil, expectedVersion: 2, expectedDirty: false},
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{name: "last migration dirty", version: database.NilVersion, dirty: true, expectedErr: nil, expectedReadErr: nil, expectedVersion: database.NilVersion, expectedDirty: true},
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{name: "last migration clean", version: database.NilVersion, dirty: false, expectedErr: nil, expectedReadErr: nil, expectedVersion: database.NilVersion, expectedDirty: false},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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// d.EnsureVersionTable(ctx)
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err := d.setVersion(ctx, tc.version, tc.dirty)
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if err != tc.expectedErr {
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t.Fatal("Got unexpected error:", err, "!=", tc.expectedErr)
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}
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v, _, dirty, readErr := d.CurrentState(ctx)
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if readErr != tc.expectedReadErr {
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t.Fatal("Got unexpected error:", readErr, "!=", tc.expectedReadErr)
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}
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if v != tc.expectedVersion {
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t.Error("Got unexpected Version:", v, "!=", tc.expectedVersion)
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}
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if dirty != tc.expectedDirty {
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t.Error("Got unexpected dirty value:", dirty, "!=", tc.dirty)
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}
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})
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}
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}
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func open(t *testing.T, ctx context.Context, u string) (*Postgres, error) {
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t.Helper()
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db, err := sql.Open("postgres", u)
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require.NoError(t, err)
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px, err := New(ctx, db)
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require.NoError(t, err)
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return px, nil
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}
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func (p *Postgres) close(t *testing.T) error {
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t.Helper()
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require.NoError(t, p.conn.Close())
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require.NoError(t, p.db.Close())
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return nil
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}
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