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package main
import (
"crypto/sha256"
"fmt"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"golang.org/x/net/context"
"os"
"testing"
"time"
)
const testCollection = "characters"
var storage Storage
var testContext context.Context
func testInsert(t *testing.T) {
// insert a document in an invalid connection
insertedId, err := storage.InsertOne(testContext, "invalid_collection",
OrderedDocument{{"key", "invalid"}})
if insertedId != nil || err == nil {
t.Fatal("inserting documents in invalid collections must fail")
}
// insert ordered document
beatriceId, err := storage.InsertOne(testContext, testCollection,
OrderedDocument{{"name", "Beatrice"}, {"description", "blablabla"}})
if err != nil {
t.Fatal(err)
}
if beatriceId == nil {
t.Fatal("failed to insert an ordered document")
}
// insert unordered document
virgilioId, err := storage.InsertOne(testContext, testCollection,
UnorderedDocument{"name": "Virgilio", "description": "blablabla"})
if err != nil {
t.Fatal(err)
}
if virgilioId == nil {
t.Fatal("failed to insert an unordered document")
}
// insert document with custom id
danteId := "000000"
insertedId, err = storage.InsertOne(testContext, testCollection,
UnorderedDocument{"_id": danteId, "name": "Dante Alighieri", "description": "blablabla"})
if err != nil {
t.Fatal(err)
}
if insertedId != danteId {
t.Fatal("returned id doesn't match")
}
// insert duplicate document
insertedId, err = storage.InsertOne(testContext, testCollection,
UnorderedDocument{"_id": danteId, "name": "Dante Alighieri", "description": "blablabla"})
if insertedId != nil || err == nil {
t.Fatal("inserting duplicate id must fail")
}
}
func testFindOne(t *testing.T) {
// find a document in an invalid connection
result, err := storage.FindOne(testContext, "invalid_collection",
OrderedDocument{{"key", "invalid"}})
if result != nil || err == nil {
t.Fatal("find a document in an invalid collections must fail")
}
// find an existing document
result, err = storage.FindOne(testContext, testCollection, OrderedDocument{{"_id", "000000"}})
if err != nil {
t.Fatal(err)
}
if result == nil {
t.Fatal("FindOne cannot find the valid document")
}
name, ok := result["name"]
if !ok || name != "Dante Alighieri" {
t.Fatal("document retrieved with FindOne is invalid")
}
// find an existing document
result, err = storage.FindOne(testContext, testCollection, OrderedDocument{{"_id", "invalid_id"}})
if err != nil {
t.Fatal(err)
}
if result != nil {
t.Fatal("FindOne cannot find an invalid document")
}
}
func TestBasicOperations(t *testing.T) {
t.Run("testInsert", testInsert)
t.Run("testFindOne", testFindOne)
}
func TestMain(m *testing.M) {
uniqueDatabaseName := sha256.Sum256([]byte(time.Now().String()))
client, err := mongo.NewClient(options.Client().ApplyURI("mongodb://localhost:27017"))
if err != nil {
panic("failed to create mongo client")
}
db := client.Database(fmt.Sprintf("%x", uniqueDatabaseName[:31]))
storage = Storage{
client: client,
collections: map[string]*mongo.Collection{testCollection: db.Collection(testCollection)},
}
testContext, _ = context.WithTimeout(context.Background(), 10 * time.Second)
err = storage.Connect(nil)
if err != nil {
panic(err)
}
exitCode := m.Run()
os.Exit(exitCode)
}
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