migrate to upstream libcompose in one and a half go

vendor/github.com/docker/libnetwork/store_test.go

@@ -0,0 +1,144 @@
+package libnetwork
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/docker/libkv/store"
+	"github.com/docker/libnetwork/config"
+	"github.com/docker/libnetwork/datastore"
+	"github.com/docker/libnetwork/netlabel"
+	"github.com/docker/libnetwork/options"
+)
+
+func TestZooKeeperBackend(t *testing.T) {
+	c, err := testNewController(t, "zk", "127.0.0.1:2181/custom_prefix")
+	if err != nil {
+		t.Fatal(err)
+	}
+	c.Stop()
+}
+
+func testNewController(t *testing.T, provider, url string) (NetworkController, error) {
+	cfgOptions, err := OptionBoltdbWithRandomDBFile()
+	if err != nil {
+		return nil, err
+	}
+	cfgOptions = append(cfgOptions, config.OptionKVProvider(provider))
+	cfgOptions = append(cfgOptions, config.OptionKVProviderURL(url))
+	return New(cfgOptions...)
+}
+
+func TestBoltdbBackend(t *testing.T) {
+	defer os.Remove(datastore.DefaultScopes("")[datastore.LocalScope].Client.Address)
+	testLocalBackend(t, "", "", nil)
+	defer os.Remove("/tmp/boltdb.db")
+	config := &store.Config{Bucket: "testBackend"}
+	testLocalBackend(t, "boltdb", "/tmp/boltdb.db", config)
+
+}
+
+func testLocalBackend(t *testing.T, provider, url string, storeConfig *store.Config) {
+	cfgOptions := []config.Option{}
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProvider(provider))
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProviderURL(url))
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProviderConfig(storeConfig))
+
+	driverOptions := options.Generic{}
+	genericOption := make(map[string]interface{})
+	genericOption[netlabel.GenericData] = driverOptions
+	cfgOptions = append(cfgOptions, config.OptionDriverConfig("host", genericOption))
+
+	ctrl, err := New(cfgOptions...)
+	if err != nil {
+		t.Fatalf("Error new controller: %v", err)
+	}
+	nw, err := ctrl.NewNetwork("host", "host")
+	if err != nil {
+		t.Fatalf("Error creating default \"host\" network: %v", err)
+	}
+	ep, err := nw.CreateEndpoint("newendpoint", []EndpointOption{}...)
+	if err != nil {
+		t.Fatalf("Error creating endpoint: %v", err)
+	}
+	store := ctrl.(*controller).getStore(datastore.LocalScope).KVStore()
+	if exists, err := store.Exists(datastore.Key(datastore.NetworkKeyPrefix, string(nw.ID()))); !exists || err != nil {
+		t.Fatalf("Network key should have been created.")
+	}
+	if exists, err := store.Exists(datastore.Key([]string{datastore.EndpointKeyPrefix, string(nw.ID()), string(ep.ID())}...)); !exists || err != nil {
+		t.Fatalf("Endpoint key should have been created.")
+	}
+	store.Close()
+
+	// test restore of local store
+	ctrl, err = New(cfgOptions...)
+	if err != nil {
+		t.Fatalf("Error creating controller: %v", err)
+	}
+	if _, err = ctrl.NetworkByID(nw.ID()); err != nil {
+		t.Fatalf("Error getting network %v", err)
+	}
+}
+
+func TestNoPersist(t *testing.T) {
+	cfgOptions, err := OptionBoltdbWithRandomDBFile()
+	if err != nil {
+		t.Fatalf("Error creating random boltdb file : %v", err)
+	}
+	ctrl, err := New(cfgOptions...)
+	if err != nil {
+		t.Fatalf("Error new controller: %v", err)
+	}
+	nw, err := ctrl.NewNetwork("host", "host", NetworkOptionPersist(false))
+	if err != nil {
+		t.Fatalf("Error creating default \"host\" network: %v", err)
+	}
+	ep, err := nw.CreateEndpoint("newendpoint", []EndpointOption{}...)
+	if err != nil {
+		t.Fatalf("Error creating endpoint: %v", err)
+	}
+	store := ctrl.(*controller).getStore(datastore.LocalScope).KVStore()
+	if exists, _ := store.Exists(datastore.Key(datastore.NetworkKeyPrefix, string(nw.ID()))); exists {
+		t.Fatalf("Network with persist=false should not be stored in KV Store")
+	}
+	if exists, _ := store.Exists(datastore.Key([]string{datastore.EndpointKeyPrefix, string(nw.ID()), string(ep.ID())}...)); exists {
+		t.Fatalf("Endpoint in Network with persist=false should not be stored in KV Store")
+	}
+	store.Close()
+}
+
+// OptionBoltdbWithRandomDBFile function returns a random dir for local store backend
+func OptionBoltdbWithRandomDBFile() ([]config.Option, error) {
+	tmp, err := ioutil.TempFile("", "libnetwork-")
+	if err != nil {
+		return nil, fmt.Errorf("Error creating temp file: %v", err)
+	}
+	if err := tmp.Close(); err != nil {
+		return nil, fmt.Errorf("Error closing temp file: %v", err)
+	}
+	cfgOptions := []config.Option{}
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProvider("boltdb"))
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProviderURL(tmp.Name()))
+	sCfg := &store.Config{Bucket: "testBackend"}
+	cfgOptions = append(cfgOptions, config.OptionLocalKVProviderConfig(sCfg))
+	return cfgOptions, nil
+}
+
+func TestMultipleControllersWithSameStore(t *testing.T) {
+	cfgOptions, err := OptionBoltdbWithRandomDBFile()
+	if err != nil {
+		t.Fatalf("Error getting random boltdb configs %v", err)
+	}
+	ctrl1, err := New(cfgOptions...)
+	if err != nil {
+		t.Fatalf("Error new controller: %v", err)
+	}
+	defer ctrl1.Stop()
+	// Use the same boltdb file without closing the previous controller
+	_, err = New(cfgOptions...)
+	if err != nil {
+		t.Fatalf("Local store must support concurrent controllers")
+	}
+}