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package testfixtures
import (
"database/sql"
"fmt"
"io/ioutil"
"log"
"os"
"testing"
"time"
_ "github.com/joho/godotenv/autoload"
)
func TestInterfaces(t *testing.T) {
// helpers should implement interface
helpers := []interface{}{
&PostgreSQL{},
&MySQL{},
&SQLite{},
&SQLServer{},
&Oracle{},
&PostgreSQLHelper{},
&MySQLHelper{},
&SQLiteHelper{},
&SQLServerHelper{},
&OracleHelper{},
}
for _, h := range helpers {
if _, ok := h.(Helper); !ok {
t.Errorf("Helper doesn't implement interface")
}
}
}
func TestFixtureFile(t *testing.T) {
f := &fixtureFile{fileName: "posts.yml"}
file := f.fileNameWithoutExtension()
if file != "posts" {
t.Errorf("Should be 'posts', but returned %s", file)
}
}
type databaseTest struct {
name string
connEnv string
schemaFile string
helper Helper
}
var databases = []databaseTest{}
func TestLoadFixtures(t *testing.T) {
if len(databases) == 0 {
t.Error("No database choosen for tests!")
}
for _, database := range databases {
connString := os.Getenv(database.connEnv)
var bytes []byte
fmt.Printf("Test for %s\n", database.name)
db, err := sql.Open(database.name, connString)
if err != nil {
log.Fatalf("Failed to connect to database: %v\n", err)
}
defer db.Close()
if err = db.Ping(); err != nil {
log.Fatalf("Failed to ping database: %v\n", err)
}
bytes, err = ioutil.ReadFile(database.schemaFile)
if err != nil {
log.Fatalf("Could not read file %s: %v\n", database.schemaFile, err)
}
_, err = db.Exec(string(bytes))
if err != nil {
log.Fatalf("Failed to create schema: %v\n", err)
}
testLoadFixtures(t, db, database.helper)
testLoadFixtureFiles(t, db, database.helper)
// generate fixtures from database
dir, err := ioutil.TempDir(os.TempDir(), "testfixtures_test")
if err != nil {
t.Error(err)
}
if err := GenerateFixtures(db, database.helper, dir); err != nil {
t.Error(err)
}
// should be able to load generated fixtures
context, err := NewFolder(db, database.helper, dir)
if err != nil {
t.Error(err)
} else if err := context.Load(); err != nil {
t.Error(err)
}
}
}
func assertCount(t *testing.T, db *sql.DB, h Helper, table string, expectedCount int) {
var count int
row := db.QueryRow(fmt.Sprintf("SELECT COUNT(*) FROM %s", h.quoteKeyword(table)))
row.Scan(&count)
if count != expectedCount {
t.Errorf("%s should have %d, but has %d", table, expectedCount, count)
}
}
func testLoadFixtures(t *testing.T, db *sql.DB, helper Helper) {
c, err := NewFolder(db, helper, "testdata/fixtures")
if err != nil {
t.Errorf("Error creating context: %v", err)
}
if err := c.Load(); err != nil {
t.Errorf("Error on loading fixtures: %v", err)
}
assertCount(t, db, helper, "posts", 2)
assertCount(t, db, helper, "comments", 4)
assertCount(t, db, helper, "tags", 3)
assertCount(t, db, helper, "posts_tags", 2)
assertCount(t, db, helper, "users", 2)
// this insert is to test if the PostgreSQL sequences were reset
var sql string
switch helper.paramType() {
case paramTypeDollar:
sql = "INSERT INTO posts (title, content, created_at, updated_at) VALUES ($1, $2, $3, $4)"
case paramTypeQuestion:
sql = "INSERT INTO posts (title, content, created_at, updated_at) VALUES (?, ?, ?, ?)"
case paramTypeColon:
sql = "INSERT INTO posts (id, title, content, created_at, updated_at) VALUES (POSTS_SEQ.NEXTVAL, :1, :2, :3, :4)"
}
_, err = db.Exec(
sql,
"Post title",
"Post content",
time.Now(),
time.Now(),
)
if err != nil {
t.Errorf("Error inserting post: %v", err)
}
}
func testLoadFixtureFiles(t *testing.T, db *sql.DB, helper Helper) {
tables := []string{"posts_tags", "comments", "posts", "tags"}
for _, table := range tables {
db.Exec("DELETE FROM %s", helper.quoteKeyword(table))
}
fixturesFiles := []string{
"testdata/fixtures/posts.yml",
"testdata/fixtures/comments.yml",
"testdata/fixtures/tags.yml",
"testdata/fixtures/posts_tags.yml",
}
c, err := NewFiles(db, helper, fixturesFiles...)
if err != nil {
t.Errorf("Error on creating context: %v", err)
}
if err := c.Load(); err != nil {
t.Errorf("Error on loading fixtures: %v", err)
}
assertCount(t, db, helper, "posts", 2)
assertCount(t, db, helper, "comments", 4)
assertCount(t, db, helper, "tags", 3)
assertCount(t, db, helper, "posts_tags", 2)
}
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