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grafana_login_test.go
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grafana_login_test.go
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package login
import (
"testing"
. "github.com/smartystreets/goconvey/convey"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/models"
)
func TestGrafanaLogin(t *testing.T) {
Convey("Login using Grafana DB", t, func() {
grafanaLoginScenario("When login with non-existing user", func(sc *grafanaLoginScenarioContext) {
sc.withNonExistingUser()
err := loginUsingGrafanaDB(sc.loginUserQuery)
Convey("it should result in user not found error", func() {
So(err, ShouldEqual, models.ErrUserNotFound)
})
Convey("it should not call password validation", func() {
So(sc.validatePasswordCalled, ShouldBeFalse)
})
Convey("it should not pupulate user object", func() {
So(sc.loginUserQuery.User, ShouldBeNil)
})
})
grafanaLoginScenario("When login with invalid credentials", func(sc *grafanaLoginScenarioContext) {
sc.withInvalidPassword()
err := loginUsingGrafanaDB(sc.loginUserQuery)
Convey("it should result in invalid credentials error", func() {
So(err, ShouldEqual, ErrInvalidCredentials)
})
Convey("it should call password validation", func() {
So(sc.validatePasswordCalled, ShouldBeTrue)
})
Convey("it should not pupulate user object", func() {
So(sc.loginUserQuery.User, ShouldBeNil)
})
})
grafanaLoginScenario("When login with valid credentials", func(sc *grafanaLoginScenarioContext) {
sc.withValidCredentials()
err := loginUsingGrafanaDB(sc.loginUserQuery)
Convey("it should not result in error", func() {
So(err, ShouldBeNil)
})
Convey("it should call password validation", func() {
So(sc.validatePasswordCalled, ShouldBeTrue)
})
Convey("it should pupulate user object", func() {
So(sc.loginUserQuery.User, ShouldNotBeNil)
So(sc.loginUserQuery.User.Login, ShouldEqual, sc.loginUserQuery.Username)
So(sc.loginUserQuery.User.Password, ShouldEqual, sc.loginUserQuery.Password)
})
})
grafanaLoginScenario("When login with disabled user", func(sc *grafanaLoginScenarioContext) {
sc.withDisabledUser()
err := loginUsingGrafanaDB(sc.loginUserQuery)
Convey("it should return user is disabled error", func() {
So(err, ShouldEqual, ErrUserDisabled)
})
Convey("it should not call password validation", func() {
So(sc.validatePasswordCalled, ShouldBeFalse)
})
Convey("it should not pupulate user object", func() {
So(sc.loginUserQuery.User, ShouldBeNil)
})
})
})
}
type grafanaLoginScenarioContext struct {
loginUserQuery *models.LoginUserQuery
validatePasswordCalled bool
}
type grafanaLoginScenarioFunc func(c *grafanaLoginScenarioContext)
func grafanaLoginScenario(desc string, fn grafanaLoginScenarioFunc) {
Convey(desc, func() {
origValidatePassword := validatePassword
sc := &grafanaLoginScenarioContext{
loginUserQuery: &models.LoginUserQuery{
Username: "user",
Password: "pwd",
IpAddress: "192.168.1.1:56433",
},
validatePasswordCalled: false,
}
defer func() {
validatePassword = origValidatePassword
}()
fn(sc)
})
}
func mockPasswordValidation(valid bool, sc *grafanaLoginScenarioContext) {
validatePassword = func(providedPassword string, userPassword string, userSalt string) error {
sc.validatePasswordCalled = true
if !valid {
return ErrInvalidCredentials
}
return nil
}
}
func (sc *grafanaLoginScenarioContext) getUserByLoginQueryReturns(user *models.User) {
bus.AddHandler("test", func(query *models.GetUserByLoginQuery) error {
if user == nil {
return models.ErrUserNotFound
}
query.Result = user
return nil
})
}
func (sc *grafanaLoginScenarioContext) withValidCredentials() {
sc.getUserByLoginQueryReturns(&models.User{
Id: 1,
Login: sc.loginUserQuery.Username,
Password: sc.loginUserQuery.Password,
Salt: "salt",
})
mockPasswordValidation(true, sc)
}
func (sc *grafanaLoginScenarioContext) withNonExistingUser() {
sc.getUserByLoginQueryReturns(nil)
}
func (sc *grafanaLoginScenarioContext) withInvalidPassword() {
sc.getUserByLoginQueryReturns(&models.User{
Password: sc.loginUserQuery.Password,
Salt: "salt",
})
mockPasswordValidation(false, sc)
}
func (sc *grafanaLoginScenarioContext) withDisabledUser() {
sc.getUserByLoginQueryReturns(&models.User{
IsDisabled: true,
})
}