diff --git a/go.mod b/go.mod
index 125f108..867575f 100644
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,7 @@ require (
 	github.com/gorilla/mux v1.6.2
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/mattn/go-sqlite3 v1.10.0
+	github.com/stretchr/testify v1.3.0
 	golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b
 	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
 	google.golang.org/appengine v1.4.0 // indirect
diff --git a/go.sum b/go.sum
index 8207f6b..ee96f68 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,8 @@ github.com/collinux/GoHue v0.0.0-20181229002551-d259041d5eb8 h1:NOPuu1sMqBVC3iyl
 github.com/collinux/GoHue v0.0.0-20181229002551-d259041d5eb8/go.mod h1:ex2AEcUvgoeoE/uknn0ZUExwGhBcH9jwA5heqv2xq6w=
 github.com/collinux/gohue v0.0.0-20181229002551-d259041d5eb8 h1:Qhd31xZ6GUL0nEaXYP4nXOn8J6l9jqa6xEyp70qfjZE=
 github.com/collinux/gohue v0.0.0-20181229002551-d259041d5eb8/go.mod h1:HFm7vkh/1EJQ9ymYsKUQtK7JlG3om1r61wMAHtl+bxw=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk=
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -16,6 +18,11 @@ github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/mattn/go-sqlite3 v1.9.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
 github.com/mattn/go-sqlite3 v1.10.0 h1:jbhqpg7tQe4SupckyijYiy0mJJ/pRyHvXf7JdWK860o=
 github.com/mattn/go-sqlite3 v1.10.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b h1:Elez2XeF2p9uyVj0yEUDqQ56NFcDtcBNkYP7yv8YbUE=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
diff --git a/models/light_test.go b/models/light_test.go
new file mode 100644
index 0000000..b777535
--- /dev/null
+++ b/models/light_test.go
@@ -0,0 +1,102 @@
+package models_test
+
+import (
+	"git.aiterp.net/lucifer/lucifer/models"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestLight_SetColorRGB(t *testing.T) {
+	light := models.Light{}
+
+	light.SetColorRGB(32, 55, 100)
+
+	assert.Equal(t, "203764", light.Color)
+}
+
+func TestLight_SetColorRGBf(t *testing.T) {
+	light := models.Light{}
+
+	light.SetColorRGBf(0.1, 0.2, 0.3)
+
+	assert.Equal(t, "19334c", light.Color)
+}
+
+func TestLight_ColorRGB_Empty(t *testing.T) {
+	light := models.Light{}
+	light.Color = ""
+
+	r, g, b, err := light.ColorRGB()
+
+	assert.Equal(t, uint8(0), r)
+	assert.Equal(t, uint8(0), g)
+	assert.Equal(t, uint8(0), b)
+	assert.Nil(t, err)
+}
+
+func TestLight_ColorRGB_Invalid(t *testing.T) {
+	light := models.Light{}
+	light.Color = "Utterly bonkers"
+
+	_, _, _, err := light.ColorRGB()
+
+	assert.NotNil(t, err)
+	assert.Equal(t, models.ErrMalformedColor, err)
+}
+
+func TestLight_ColorRGB_TooShort(t *testing.T) {
+	light := models.Light{}
+	light.Color = "3002"
+
+	_, _, _, err := light.ColorRGB()
+
+	assert.NotNil(t, err)
+	assert.Equal(t, models.ErrMalformedColor, err)
+}
+
+func TestLight_ColorRGB_TooLong(t *testing.T) {
+	light := models.Light{}
+	light.Color = "3002DB05"
+
+	_, _, _, err := light.ColorRGB()
+
+	assert.NotNil(t, err)
+	assert.Equal(t, models.ErrMalformedColor, err)
+}
+
+func TestLight_ColorRGB_Valid(t *testing.T) {
+	light := models.Light{}
+	light.Color = "203764"
+
+	r, g, b, err := light.ColorRGB()
+
+	assert.Equal(t, uint8(32), r)
+	assert.Equal(t, uint8(55), g)
+	assert.Equal(t, uint8(100), b)
+	assert.Nil(t, err)
+}
+
+func TestLight_ColorRGBf_Invalid(t *testing.T) {
+	light := models.Light{}
+	light.Color = "G0I1J2"
+
+	r, g, b, err := light.ColorRGBf()
+
+	assert.Equal(t, float64(0), r)
+	assert.Equal(t, float64(0), g)
+	assert.Equal(t, float64(0), b)
+	assert.NotNil(t, err)
+}
+
+func TestLight_ColorRGBf_Valid(t *testing.T) {
+	light := models.Light{}
+	light.Color = "19334C"
+
+	r, g, b, err := light.ColorRGBf()
+
+	// Within half a percent
+	assert.InDelta(t, float64(0.1), r, 0.005)
+	assert.InDelta(t, float64(0.2), g, 0.005)
+	assert.InDelta(t, float64(0.3), b, 0.005)
+	assert.Nil(t, err)
+}
diff --git a/models/session_test.go b/models/session_test.go
new file mode 100644
index 0000000..b312eca
--- /dev/null
+++ b/models/session_test.go
@@ -0,0 +1,73 @@
+package models_test
+
+import (
+	"context"
+	"git.aiterp.net/lucifer/lucifer/models"
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestSession_GenerateID_Works(t *testing.T) {
+	session := &models.Session{}
+
+	err := session.GenerateID()
+
+	assert.Nil(t, err)
+}
+
+func TestSession_Cookie_IsCorrect(t *testing.T) {
+	sessID := "testId"
+	expiry := time.Now().AddDate(0, 0, 2)
+
+	session := &models.Session{
+		ID:      sessID,
+		UserID:  0,
+		Expires: expiry,
+	}
+
+	cookie := session.Cookie()
+
+	assert.Equal(t, sessID, cookie.Value)
+	assert.Equal(t, expiry, cookie.Expires)
+}
+
+func TestSession_Expired_BeforeExpiry(t *testing.T) {
+	session := &models.Session{
+		ID:      "12345",
+		UserID:  0,
+		Expires: time.Now().AddDate(0, 0, 1),
+	}
+
+	assert.False(t, session.Expired())
+}
+
+func TestSession_Expired_AfterExpiry(t *testing.T) {
+	session := &models.Session{
+		ID:      "12345",
+		UserID:  0,
+		Expires: time.Now().AddDate(0, 0, -1),
+	}
+
+	assert.True(t, session.Expired())
+}
+
+func TestSessionFromContext_InContext(t *testing.T) {
+	session := &models.Session{
+		ID:      "12345",
+		UserID:  0,
+		Expires: time.Now().AddDate(0, 0, 1),
+	}
+
+	ctx := session.InContext(context.Background())
+
+	session2 := models.SessionFromContext(ctx)
+
+	assert.Equal(t, session2, session)
+}
+
+func TestSessionFromContext_Empty(t *testing.T) {
+	session := models.SessionFromContext(context.Background())
+
+	assert.Nil(t, session)
+}
\ No newline at end of file
diff --git a/models/user_test.go b/models/user_test.go
new file mode 100644
index 0000000..4077a32
--- /dev/null
+++ b/models/user_test.go
@@ -0,0 +1,42 @@
+package models_test
+
+import (
+	"git.aiterp.net/lucifer/lucifer/models"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestUser_SetPassword_TooShort(t *testing.T) {
+	user := &models.User{}
+
+	err := user.SetPassword("short")
+
+	assert.NotNil(t, err)
+}
+
+func TestUser_SetPassword_Valid(t *testing.T) {
+	user := &models.User{}
+
+	err := user.SetPassword("longer")
+
+	assert.Nil(t, err)
+	assert.NotEqual(t, "", user.PassHash)
+}
+
+func TestUser_CheckPassword_Wrong(t *testing.T) {
+	user := &models.User{}
+	_ = user.SetPassword("longer")
+
+	err := user.CheckPassword("wrong attempt")
+
+	assert.NotNil(t, err)
+}
+
+func TestUser_CheckPassword_Correct(t *testing.T) {
+	user := &models.User{}
+	_ = user.SetPassword("correct")
+
+	err := user.CheckPassword("correct")
+
+	assert.Nil(t, err)
+}