added tests for db and user

Backend/models/user_test.go

@@ -0,0 +1,56 @@
+package models_test
+
+import (
+	"arbeitszeitmessung/models"
+	"database/sql"
+	"testing"
+)
+
+var testUser models.User = models.User{Vorname: "Kim", Name: "Mustermensch", PersonalNummer: 456, CardUID: "aaaa-aaaa", ArbeitszeitPerTag: 8}
+
+func SetupUserFixture(t *testing.T, db models.IDatabase) {
+	t.Helper()
+	db.Exec(`INSERT INTO "s_personal_daten" ("personal_nummer", "aktiv_beschaeftigt", "vorname", "nachname", "geburtsdatum", "plz", "adresse", "geschlecht", "card_uid", "hauptbeschaeftigungs_ort", "arbeitszeit_per_tag", "arbeitszeit_min_start", "arbeitszeit_max_ende", "vorgesetzter_pers_nr") VALUES
+(456,	't',	'Kim',	'Mustermensch',	'2003-02-01',	'08963',	'Altenburger Str. 44A',	1,	'aaaa-aaaa',	1,	8,	'07:00:00',	'20:00:00',	0);`)
+}
+
+func TestGetUserByPersonalNr(t *testing.T) {
+	tc := SetupDBFixture(t)
+	SetupUserFixture(t, tc.Database)
+
+	models.DB = tc.Database
+
+	user, err := models.GetUserByPersonalNr(testUser.PersonalNummer)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if user != testUser {
+		t.Error("Retrieved user not the same as testUser!")
+	}
+
+	_, err = models.GetUserByPersonalNr(000)
+	if err != sql.ErrNoRows {
+		t.Error("Wrong error handling, when retrieving wrong personalnummer")
+	}
+}
+
+func TestCheckAnwesenheit(t *testing.T) {
+	tc := SetupDBFixture(t)
+	models.DB = tc.Database
+	SetupUserFixture(t, tc.Database)
+
+	var actual bool
+
+	if actual = testUser.CheckAnwesenheit(); actual != false {
+		t.Errorf("Checkabwesenheit with no booking should be false but is %t", actual)
+	}
+	tc.Database.Exec("INSERT INTO anwesenheit (timestamp, card_uid, check_in_out, geraet_id) VALUES (NOW() - INTERVAL '2 hour', 'aaaa-aaaa', 1, 1);")
+	if actual = testUser.CheckAnwesenheit(); actual != true {
+		t.Errorf("Checkabwesenheit with 'kommen' booking should be true but is %t", actual)
+	}
+
+	tc.Database.Exec("INSERT INTO anwesenheit (timestamp, card_uid, check_in_out, geraet_id) VALUES (NOW() - INTERVAL '1 hour', 'aaaa-aaaa', 2, 1);")
+	if actual = testUser.CheckAnwesenheit(); actual != false {
+		t.Errorf("Checkabwesenheit with 'gehen' booking should be false but is %t", actual)
+	}
+}