Add Authenticate()

This function validates a username and password against the database.

1 files changed, 32 insertions, 0 deletions

diff --git a/password_test.go b/password_test.go
index f540cc4..a0dfbc3 100644
--- a/password_test.go
+++ b/password_test.go
@@ -55,3 +55,35 @@ func TestRegister(t *testing.T) {
 		})
 	}
 }
+
+func TestAuthenticate(t *testing.T) {
+	for _, p := range passwords {
+		t.Run(p.description, func(t *testing.T) {
+			db, _ := emptyDB(t)
+
+			err := MigrateToLatest(db)
+			if err != nil {
+				t.Fatalf("Could not execute function to test: %v", err)
+			}
+
+			hash, err := bcrypt.GenerateFromPassword([]byte(p.password), bcryptCost)
+			if err != nil {
+				t.Fatalf("Failed to generate test password hash: %v", err)
+			}
+
+			_, err = db.Exec(
+				`INSERT INTO users (username, password_bcrypt) VALUES(?, ?);`,
+				p.username,
+				hash,
+			)
+			if err != nil {
+				t.Fatalf("Failed to insert password hash: %v", err)
+			}
+
+			err = Authenticate(db, p.username, p.password)
+			if err != nil {
+				t.Fatalf("Failed to authenticate: %v", err)
+			}
+		})
+	}
+}