first commit

way too late.

doormen/doormen_test.go

@@ -0,0 +1,124 @@
+package doormen
+
+import (
+	"encoding/json"
+	"math"
+	"testing"
+
+	"github.com/didiercrunch/doorman/shared"
+	"gopkg.in/mgo.v2/bson"
+)
+
+func TestNewDoormanDefinition(t *testing.T) {
+	dmd := NewDoormanDefinition("some_name")
+	if dmd.Id == "" {
+		t.Error("need id at all time")
+	}
+	if dmd.Name != "some_name" {
+		t.Error("bad name")
+	}
+}
+
+func TestValidate(t *testing.T) {
+	dmd := &DoormanDefinition{Name: ""}
+	if err := dmd.Validate(); err.Error() != "name cannot be empty" {
+		t.Error(err)
+	}
+	dmd = &DoormanDefinition{Name: "foo"}
+	if err := dmd.Validate(); err.Error() != "need at least 2 values" {
+		t.Error(err)
+	}
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{nil}}
+	if err := dmd.Validate(); err.Error() != "need at least 2 values" {
+		t.Error(err)
+	}
+
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{&DoormanValue{"foo", 0}, &DoormanValue{"foo", 0}}}
+	if err := dmd.Validate(); err.Error() != "doorman value names must be unique within a doorman" {
+		t.Error(err)
+	}
+
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{&DoormanValue{"foo", 0}, &DoormanValue{"", 0}}}
+	if err := dmd.Validate(); err.Error() != "doorman value cannot be empty" {
+		t.Error(err)
+	}
+
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{&DoormanValue{"foo", -0.25}, &DoormanValue{"bar", 0.5}}}
+	if err := dmd.Validate(); err.Error() != "doorman value -0.25 is out of range" {
+		t.Error(err)
+	}
+
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{&DoormanValue{"foo", 2.5}, &DoormanValue{"bar", 0.5}}}
+	if err := dmd.Validate(); err.Error() != "doorman value 2.5 is out of range" {
+		t.Error(err)
+	}
+
+	dmd = &DoormanDefinition{Name: "foo", Values: []*DoormanValue{&DoormanValue{"foo", 0.75}, &DoormanValue{"bar", 0.5}}}
+	if err := dmd.Validate(); err.Error() != "the sum of the probability must be 1.0" {
+		t.Error(err)
+	}
+}
+
+func TestAsJson(t *testing.T) {
+	id := &DoormanId{}
+	if `{}` != id.AsJson() {
+		t.Fail()
+	}
+	id.Name = "bob"
+	if `{}` != id.AsJson() {
+		t.Fail()
+	}
+
+	id.Id = bson.ObjectIdHex("54af464af6fb5e20c4000003")
+	if `{"54af464af6fb5e20c4000003":"bob"}` != id.AsJson() {
+		t.Error(id.AsJson())
+	}
+}
+
+func TestAsDoormanUpdatePayload(t *testing.T) {
+	wd := &DoormanDefinition{}
+	wd.Id = bson.NewObjectId()
+	wd.Values = []*DoormanValue{&DoormanValue{"C", 0.25}, &DoormanValue{"T1", 0.75}}
+	data, err := wd.AsDoormanUpdatePayload()
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	wu := &shared.DoormanUpdater{}
+	if err := json.Unmarshal(data, wu); err != nil {
+		t.Error(err)
+	}
+	if wd.Id.Hex() != wu.Id {
+		t.Error("bad id", wu.Id)
+	}
+	if len(wu.Probabilities) != 2 {
+		t.Error("bad probability length")
+	} else if math.Abs(wu.Probabilities[0]-0.25) > epsilon {
+		t.Error("bad first probability")
+	} else if math.Abs(wu.Probabilities[1]-0.75) > epsilon {
+		t.Error("bad second probability")
+	} else if wu.Timestamp == 0 {
+		t.Error("no time specify")
+	} else if wu.Timestamp < 1421537442 {
+		t.Error("timestamp looks weird")
+	}
+}
+
+func TestQuickNewDoormanDefinition(t *testing.T) {
+	dmd := QuickNewDoormanDefinition("foo", 0.75, 0.25)
+	if dmd.Name != "foo" {
+		t.Error()
+	}
+
+	if len(dmd.Values) != 2 {
+		t.Error()
+	}
+
+	if dmd.Values[0].Name != "T0" || dmd.Values[0].Probability != 0.75 {
+		t.Error()
+	}
+
+	if dmd.Values[1].Name != "T1" || dmd.Values[1].Probability != 0.25 {
+		t.Error()
+	}
+}