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// Copyright 2019 Northern.tech AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrate_test
import (
"context"
"errors"
"testing"
"time"
"github.com/stretchr/testify/assert"
. "github.com/mendersoftware/go-lib-micro/mongo/migrate"
"go.mongodb.org/mongo-driver/bson"
)
func TestDummyMigratorApply(t *testing.T) {
if testing.Short() {
t.Skip("skipping TestDummyMigratorApply in short mode.")
}
testCases := map[string]struct {
Automigrate bool
InputMigrations []*MigrationEntry
InputVersion Version
OutputVersion Version
OutputError error
}{
"ok - empty state, automigrate": {
Automigrate: true,
InputMigrations: []*MigrationEntry{},
InputVersion: Version{Major: 1, Minor: 0, Patch: 0},
OutputVersion: Version{Major: 1, Minor: 0, Patch: 0},
},
"ok - already has version, automigrate": {
Automigrate: true,
InputMigrations: []*MigrationEntry{
&MigrationEntry{
Version: Version{Major: 1, Minor: 0, Patch: 0},
Timestamp: time.Now(),
},
},
InputVersion: Version{Major: 1, Minor: 0, Patch: 0},
OutputVersion: Version{Major: 1, Minor: 0, Patch: 0},
},
"ok - empty state, no automigrate": {
Automigrate: false,
InputMigrations: []*MigrationEntry{},
InputVersion: Version{Major: 1, Minor: 0, Patch: 0},
OutputVersion: Version{Major: 0, Minor: 0, Patch: 0},
OutputError: errors.New("db needs migration: test has version 0.0.0, needs version 1.0.0"),
},
"ok - already has version, no automigrate": {
Automigrate: false,
InputMigrations: []*MigrationEntry{
&MigrationEntry{
Version: Version{Major: 1, Minor: 0, Patch: 0},
Timestamp: time.Now(),
},
},
InputVersion: Version{Major: 1, Minor: 0, Patch: 0},
OutputVersion: Version{Major: 1, Minor: 0, Patch: 0},
},
}
for name, tc := range testCases {
t.Logf("test case: %s", name)
//setup
db.Wipe()
client := db.Client()
for _, m := range tc.InputMigrations {
_, err := client.Database("test").
Collection(DbMigrationsColl).
InsertOne(db.CTX(), m)
assert.NoError(t, err)
}
//test
m := &DummyMigrator{Client: client, Db: "test", Automigrate: tc.Automigrate}
m.Apply(context.Background(), tc.InputVersion, nil)
//verify
var out []MigrationEntry
cursor, _ := client.Database("test").
Collection(DbMigrationsColl).
Find(db.CTX(), bson.M{})
count := 0
for cursor.Next(db.CTX()) {
var res MigrationEntry
count++
elem := &bson.D{}
_ = cursor.Decode(elem)
bsonBytes, _ := bson.Marshal(elem)
bson.Unmarshal(bsonBytes, &res)
out = append(out, res)
}
if tc.Automigrate {
assert.Len(t, out, 1)
assert.Equal(t, tc.OutputVersion, out[0].Version)
} else {
assert.Len(t, out, len(tc.InputMigrations))
}
}
}
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