public UnitTest_UpdatePassword_UserService()
        {
            db = new BlogApplicationDbContext();

            var configuration = new AutoMapper.MapperConfiguration(cfg =>
            {
                cfg.AddProfile(new UserProfile());
                cfg.AddProfile(new TokenProfile());
            });

            userService = new UserService(db, new AutoMapper.Mapper(configuration));

            var signingKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("blogapp!api!this_is@my@secret_key!"));

            tokenProviderOption = new TokenProviderOption
            {
                Audience           = "ConsumerUser",
                Issuer             = "BackEnd",
                SigningCredentials = new SigningCredentials(signingKey, SecurityAlgorithms.HmacSha256),
            };
        }
        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseSwagger();

            app.UseSwaggerUI(c =>
            {
                c.DefaultModelsExpandDepth(-1);
                c.DefaultModelExpandDepth(-1);
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "Blog Application V1");
                c.RoutePrefix = "";
                c.DocExpansion(Swashbuckle.AspNetCore.SwaggerUI.DocExpansion.List);
            });

            signingKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["Keys:UserAuthSecretKey"]));

            userTokenOption = new TokenProviderOption
            {
                Audience           = "ConsumerUser",
                Issuer             = "BackEnd",
                SigningCredentials = new SigningCredentials(signingKey, SecurityAlgorithms.HmacSha256),
            };

            tokenValidationParameters = new TokenValidationParameters
            {
                // The signing key must match!
                ValidateIssuerSigningKey = true,
                IssuerSigningKey         = signingKey,

                // Validate the JWT Issuer (iss) claim
                ValidateIssuer = true,
                ValidIssuer    = "BackEnd",

                // Validate the JWT Audience (aud) claim
                ValidateAudience = true,
                ValidAudience    = "ConsumerUser",

                // Validate the token expiry
                ValidateLifetime = true,

                // If you want to allow a certain amount of clock drift, set that here:
                ClockSkew = TimeSpan.Zero
            };

            app.UseHttpsRedirection();

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();

            app.UseCors("BlogReactClient_HTTPS");

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });

            app.ApplicationServices.CreateScope().ServiceProvider.GetService <BlogApplicationDbContext>().Database.Migrate();
        }