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couch_test.go
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couch_test.go
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package couch_test
import (
"encoding/json"
"testing"
"github.com/patrickjuchli/couch"
)
// Most tests are integration tests that need a running CouchDB
var (
testHost = "http://localhost:5984"
testDB = "couch_test_go"
testReplDB = "couch_test_repl"
testCred *couch.Credentials = nil //NewCredentials("much", "safe")
)
type Person struct {
couch.Doc
Name string
Height uint8
Alive bool
}
func TestDocJson(t *testing.T) {
t.Parallel()
ref := Person{}
enc, _ := json.Marshal(ref)
dec := make(map[string]interface{})
json.Unmarshal(enc, dec)
if len(dec) > 0 {
t.Error("Json-encoded Doc with empty ID and Rev, resulting Json should omit both fields but it doesn't:", dec)
}
}
func TestIdentifiableDoc(t *testing.T) {
t.Parallel()
doc := Person{Name: "Peter", Height: 185}
id, rev := doc.IDRev()
if id != "" || rev != "" {
t.Fatal("ID and rev should be empty but aren't:", id, rev)
}
doc.SetIDRev("foo", "bar")
id, rev = doc.IDRev()
if id != "foo" || rev != "bar" {
t.Fatal("ID and rev should be 'foo' and 'bar', but aren't:", id, rev)
}
}
func TestIdentifiableDynamicDoc(t *testing.T) {
t.Parallel()
doc := couch.DynamicDoc{"Name": "Peter"}
id, rev := doc.IDRev()
if id != "" || rev != "" {
t.Fatal("ID and rev should be empty but aren't:", id, rev)
}
doc.SetIDRev("foo", "bar")
id, rev = doc.IDRev()
if id != "foo" || rev != "bar" {
t.Fatal("ID and rev should be 'foo' and 'bar', but aren't:", id, rev)
}
}
func TestBulk(t *testing.T) {
t.Parallel()
bulk := new(couch.Bulk)
bulk.Add(&Person{Name: "Peter", Height: 160})
bulk.Add(&Person{Name: "Anna", Height: 170})
bulk.Docs[0].SetIDRev("1", "A")
bulk.Docs[1].SetIDRev("2", "B")
doc := bulk.Find("2", "C")
if doc != nil {
t.Error("Looking for non-existing doc in bulk, found something", doc)
}
doc = bulk.Find("2", "B")
if doc == nil {
t.Error("Looking for existing doc in bulk, not found")
}
}
func TestTask(t *testing.T) {
t.Parallel()
task := make(couch.Task)
// No task type
if task.IsReplication() {
t.Fatal("Task shouldn't be classified as a replication", task)
}
// Indexer task type
task["type"] = "indexer"
if task.IsReplication() {
t.Fatal("Task shouldn't be classified as a replication", task)
}
// Replication task type
task["type"] = "replication"
if !task.IsReplication() {
t.Fatal("Task should be classified as a replication", task)
}
// Replication ID
if task.HasReplicationID("1234") {
t.Fatal("Task should not have replication ID 1234", task)
}
task["replication_id"] = "1234"
if !task.HasReplicationID("1234") {
t.Fatal("Task should have replication ID 1234", task)
}
task["replication_id"] = "1234+continuous+create_target"
if !task.HasReplicationID("1234") {
t.Fatal("Task should have replication ID prefix 1234", task)
}
}
func TestDatabase(t *testing.T) {
t.Parallel()
db := server().Database("foo")
if db.Name() != "foo" {
t.Error("Name of database reported incorrectly, should be foo, is", db.Name())
}
}
func TestIntegrationDBExists(t *testing.T) {
db := setUpDatabase(t)
if !db.Exists() {
t.Error("Created database", db.Name(), "db.Exist() should return true")
}
db.DropDatabase()
if db.Exists() {
t.Error("Deleted database", db.Name(), "db.Exist() should return false")
}
}
func TestIntegrationInsert(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Add new document
doc := &Person{Name: "Peter", Height: 185, Alive: true}
err := db.Insert(doc)
if err != nil {
t.Fatal("Inserted new document, error:", err)
}
if doc.ID == "" {
t.Error("Inserted new document, should have ID set. Doc:", doc)
}
if doc.Rev == "" {
t.Error("Inserted new document, should have Rev set. Doc:", doc)
}
if t.Failed() {
t.FailNow()
}
// Edit existing
oldID, oldRev := doc.ID, doc.Rev
doc.Alive = false
err = db.Insert(doc)
if doc.Rev == oldRev {
t.Error("Edited existing document, should have different rev. Doc:", doc)
}
if doc.ID != oldID {
t.Error("Edited existing document, should have same id. Old:", oldID, "New:", doc.ID, doc)
}
if err != nil {
t.Fatal("Edited existing document, error:", err)
}
}
func TestIntegrationBulkInsert(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
bulk := new(couch.Bulk)
bulk.Add(&Person{Name: "Peter", Height: 160})
bulk.Add(&Person{Name: "Anna", Height: 170})
bulk.Add(&Person{Name: "Stefan", Height: 180})
failedBulk, err := db.InsertBulk(bulk, true)
if err != nil {
t.Fatal("Inserting bulk of documents returns error:", err, "failed docs:", failedBulk.Docs)
}
for _, doc := range bulk.Docs {
id, rev := doc.IDRev()
if id == "" || rev == "" {
t.Error("Newly added document in bulk should have id and rev set after opereration but doesn't:", doc)
}
}
}
func TestIntegrationRetrieve(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Add new document (see TestIntegrationInsert)
original := &Person{Name: "Peter", Height: 185, Alive: true}
insertTestDoc(original, db, t)
// Retrieve it
retrieved := new(Person)
err := db.Retrieve(original.ID, retrieved)
if err != nil {
t.Error("Retrieving newly created document returns error:", err)
}
if retrieved.ID != original.ID {
t.Error("Retrieved document, has not same ID when added. Original:", original, "Retrieved:", retrieved)
}
if retrieved.Name != original.Name || retrieved.Height != original.Height || retrieved.Alive != original.Alive {
t.Error("Retrieved document, has not same data when added. Original:", original, "Retrieved:", retrieved)
}
}
func TestIntegrationLostUpdate(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// 1. Insert new document
original := &Person{Name: "Peter", Height: 185, Alive: true}
insertTestDoc(original, db, t)
// 2. Retrieve document twice, Doc1, Doc2
doc1 := new(Person)
err := db.Retrieve(original.ID, doc1)
if err != nil {
t.Fatal("Retrieving newly created document returns error:", err)
}
// Fake second retrieve through copy
docCopy := *doc1
doc2 := &docCopy
// 3. Change both Doc1 and Doc2 independently
doc1.Name = "Peter Doc1"
doc2.Name = "Peter Doc2"
// 4. Insert Doc1
err = db.Insert(doc1)
if err != nil {
t.Fatal("Edited existing document (doc1), error:", err)
}
// 5. Insert Doc2 (using same revision as Doc1 which is now invalid), this should provoke a conflict
err = db.Insert(doc2)
if err == nil || couch.ErrorType(err) != "conflict" {
t.Error("Inserted document with old revision, should provoke conflict but didn't, error:", err)
}
}
func TestIntegrationReplicate(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
doc := &Person{Name: "Peter", Height: 185, Alive: true}
insertTestDoc(doc, db, t)
// Replicate
targetDb := server().Database(testReplDB)
repl, err := db.ReplicateTo(targetDb, false)
if err != nil {
t.Fatal("Replication returned error:", err)
}
if repl == nil {
t.Error("No replication handle returned")
}
if repl.Source() == nil {
t.Error("Replication handle doesn't contain source database")
}
if repl.Target() == nil {
t.Error("Replication handle doesn't contain target database")
}
if repl.Continuous() == true {
t.Error("Replication handle says replication is continuous but it isn't")
}
if repl.SessionID() == "" {
t.Error("Missing sessionID for replication")
}
// Retrieve doc from replicated db and compare
replDoc := new(Person)
err = targetDb.Retrieve(doc.ID, replDoc)
if err != nil {
t.Error("Retrieving doc from replicated database failed with error:", err)
}
if replDoc.Name != doc.Name || replDoc.Height != doc.Height {
t.Error("Original and replicated document are not equal. Original:", doc, "Replication:", replDoc)
}
targetDb.DropDatabase()
}
func TestIntegrationNoConflict(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Insert a document
doc := &Person{Name: "Original", Height: 185, Alive: true}
insertTestDoc(doc, db, t)
// Check for conflict
conflict, err := db.ConflictFor(doc.ID)
if err != nil {
t.Fatal("Couldn't get conflicts for document", doc.ID, ", error:", err)
}
if conflict != nil {
t.Fatal("Expected no conflicts for a document but got some", conflict)
}
}
// Full replication cycle leading to a conflict, executing and checking on conflict resolution
func TestIntegrationReplicateWithConflict(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Insert doc
originDoc := &Person{Name: "Original", Height: 185, Alive: true}
insertTestDoc(originDoc, db, t)
// Replicate db to target
targetDb := db.Server().Database(testReplDB)
targetDb.DropDatabase()
defer targetDb.DropDatabase()
_, err := db.ReplicateTo(targetDb, false)
if err != nil {
t.Fatal("Replication origin->target returned error:", err)
}
// Edit the doc on origin
originDoc.Name = "Edit on origin"
insertTestDoc(originDoc, db, t)
// Edit the doc on target
targetDoc := new(Person)
targetDb.Retrieve(originDoc.ID, targetDoc)
targetDoc.Name = "Edit on target"
insertTestDoc(targetDoc, targetDb, t)
// Replicate from target back to origin
_, err = targetDb.ReplicateTo(db, false)
if err != nil {
t.Fatal("Replication target->origin returned error:", err)
}
// Doc on origin should now have 2 conflicting revisions
conflict, err := db.ConflictFor(originDoc.ID)
if err != nil {
t.Fatal("Couldn't get conflicts for document", originDoc.ID, ", error:", err)
}
if conflict == nil {
t.Fatal("Expected 2 conflicting revisions, but got none at all")
}
// It's useful to have conflicting revisions accesible with a struct if possible
var revs []Person
conflict.Revisions(&revs)
if len(revs) != 2 {
t.Error("There should be two conflicting revisions represented by struct Person but got", len(revs))
}
nameA, nameB := revs[0].Name, revs[1].Name
if !((nameA == "Edit on origin" && nameB == "Edit on target") || (nameA == "Edit on target" && nameB == "Edit on origin")) {
t.Error("Content of conflicting revisions has not been correctly presented, got", revs)
}
// Intermezzo: See if general conflict detection works too
ids, err := db.Conflicts(true)
if err != nil {
t.Fatal("Get all conflicting documents retured error:", err)
}
if len(ids) != 1 {
t.Fatal("Get all conflicting documents, didn't find exactly 1 but:", len(ids))
}
if ids[0] != originDoc.ID {
t.Fatal("When using db.Conflicts(), the mentioned id is not the same as expected but:", ids[0])
}
// Intermezzo: Number of all conflicts in a database
numConflicts, err := db.ConflictsCount(true)
if err != nil {
t.Fatal("Get number of conflicting documents retured error:", err)
}
if numConflicts != 1 {
t.Fatal("Number of conflicting documents is not 1 but", numConflicts)
}
// Solve conflict
solution := &Person{Name: "Solution", Height: 185, Alive: true}
err = conflict.SolveWith(solution)
if err != nil {
t.Fatal("Solving the conflict produced error:", err)
}
// Try solving again
err = conflict.SolveWith(solution)
if err != nil {
t.Fatal("Solving solved conflict again returned error", err)
}
// Does solution have the correct id and a new revision id?
if solution.ID != originDoc.ID {
t.Fatal("Solution doc was not assigned same id of the conflicted doc:", solution.ID, "original doc:", originDoc.ID)
}
if solution.Rev == "" {
t.Fatal("Solution doc was not assigned a revision id")
}
// Check again if really solved
conflict, err = db.ConflictFor(originDoc.ID)
if err != nil {
t.Fatal("Couldn't get conflicts for document", originDoc.ID, ", error:", err)
}
if conflict != nil {
t.Fatal("Conflict should be solved, still conflicting revisions for doc:", conflict)
}
// Check again overall db
numConflicts, err = db.ConflictsCount(true)
if err != nil {
t.Fatal("Get number of conflicting documents retured error:", err)
}
if numConflicts != 0 {
t.Fatal("Number of conflicting documents should be 0, is", numConflicts)
}
}
func TestIntegrationConflictView(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
if db.HasView(couch.ConflictsDesignID, couch.ConflictsViewID) {
t.Fatal("Shouldn't have conflict view on newly created db but reports that it has")
}
_, err := db.ConflictsCount(true)
if err != nil {
t.Fatal("Created conflict view, got error:", err)
}
if !db.HasView(couch.ConflictsDesignID, couch.ConflictsViewID) {
t.Fatal("Should have conflict view but reports that it hasn't")
}
}
func TestIntegrationDelete(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Insert doc
originDoc := &Person{Name: "Original", Height: 185, Alive: true}
insertTestDoc(originDoc, db, t)
// Delete doc
err := db.Delete(originDoc.ID, originDoc.Rev)
if err != nil {
t.Fatal("Deleting a document returned error:", err)
}
// Try to retrieve doc
doc := new(Person)
err = db.Retrieve(originDoc.ID, doc)
if err == nil {
t.Fatal("Retrieving deleted document did not return error but doc:", doc)
}
}
func TestReplicationContinuous(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Insert doc
originDoc := &Person{Name: "Original", Height: 185, Alive: true}
insertTestDoc(originDoc, db, t)
// Start replicating continuously
replDB := db.Server().Database("repl_target")
defer tearDownDatabase(replDB, t)
repl, err := db.ReplicateTo(replDB, true)
if err != nil {
t.Fatal("Started continuous replication, got error", err)
}
// Check if replication is active
active, err := repl.IsActive()
if err != nil {
t.Fatal("IsActive returned error", err)
}
if !active {
t.Fatal("Replication should be active but isn't reported as such.")
}
// // Get all active replications
// _, err = db.server.ActiveReplications()
// if err != nil {
// t.Fatal("Getting active replications returns error", err)
// }
// Cancel it
err = repl.Cancel()
if err != nil {
t.Fatal("Canceled continuous replication, got error", err)
}
// Check again, if active
active, err = repl.IsActive()
if err != nil {
t.Fatal("IsActive returned error", err)
}
if active {
t.Fatal("Replication should not be active anymore but isn't reported as such.")
}
}
func TestSync(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
// Insert doc
originDoc := &Person{Name: "Original", Height: 185, Alive: true}
insertTestDoc(originDoc, db, t)
// Should start syncing continuously
db2 := db.Server().Database("test_db2")
defer tearDownDatabase(db2, t)
sync, err := db.SyncWith(db2, true)
if err != nil {
t.Fatal("Starting sync returns error", err)
}
// Should be active
active, err := sync.IsActive()
if err != nil {
t.Fatal("sync.IsActive returns error", err)
}
if !active {
t.Fatal("Sync should be reported as active but isn't")
}
// Should cancel
err = sync.Cancel()
if err != nil {
t.Fatal("Cancelling sync returns error", err)
}
// Should not be active
active, err = sync.IsActive()
if err != nil {
t.Fatal("sync.IsActive returns error", err)
}
if active {
t.Fatal("Sync should not be active but is reported as such")
}
}
func TestDo(t *testing.T) {
db := setUpDatabase(t)
defer tearDownDatabase(db, t)
localCred := testCred
// Wrong host
_, err := couch.Do("http://127.0.0.1:598/couch_test_go/_compact", "POST", localCred, nil, nil)
if err == nil {
t.Fatal("Wrong host should return error")
}
// Wrong db name
_, err = couch.Do("http://127.0.0.1:5984/couch_WRONG_go/_compact", "POST", localCred, nil, nil)
if err == nil {
t.Fatal("Wrong db name should return error")
}
// Wrong API
_, err = couch.Do("http://127.0.0.1:5984/couch_test_go/_coooompact", "POST", localCred, nil, nil)
if err == nil {
t.Fatal("Wrong API call should return error")
}
// Anything
_, err = couch.Do("http://127.0.0.1:5984/couch_test_go/_compact", "POST", localCred, nil, nil)
if err != nil {
t.Fatal(err)
}
}
func insertTestDoc(doc couch.Identifiable, db *couch.Database, t *testing.T) {
err := db.Insert(doc)
if err != nil {
t.Fatal("Inserted new document, error:", err)
}
}
func setUpDatabase(t *testing.T) *couch.Database {
db := database()
if db.Exists() {
err := db.DropDatabase()
if err != nil {
t.Fatal("Tried to delete existing database, failed with error:", err)
}
}
err := db.Create()
if err != nil {
t.Fatal("Tried to create a new database, failed with error:", err)
}
return db
}
func tearDownDatabase(db *couch.Database, t *testing.T) {
err := db.DropDatabase()
if err != nil {
t.Fatal("Tried to delete existing database, failed with error:", err)
}
}
func server() *couch.Server {
return couch.NewServer(testHost, testCred)
}
func database() *couch.Database {
return server().Database(testDB)
}