tests.py

import json, tempfile, os, mock, base64
import pandas as pd
from io import StringIO
import time
from django.test import override_settings

from bs4 import BeautifulSoup
from datetime import datetime
from django.conf import settings
from django.contrib import messages as dj_messages
from django.contrib.auth import get_user_model
from django.core import serializers
from django.core.files import File
from django.core.exceptions import PermissionDenied, ValidationError
from django.core.files.uploadedfile import SimpleUploadedFile
from django.core.management import call_command
from django.test import Client, TestCase, TransactionTestCase
from django.urls import resolve, reverse
from django.db.utils import IntegrityError
from django.test import Client, RequestFactory, TestCase, TransactionTestCase
from pytz import timezone
from time import sleep
import datetime as dt

from administration.models import VerificationSetting, VerificationReport
from administration.utils import id_generator
from app.views import UploadMateriHTML, add_rating_materi
from authentication.models import User
from digipus.settings import TIME_ZONE
from .models import (
    Category,
    Comment,
    Review,
    DislikeComment,
    DownloadStatistics,
    Materi,
    Like,
    LikeComment,
    Rating,
    ReqMaterial,
    RatingContributor,
    ViewStatistics,
)

from .views import (
    DaftarKatalog,
    DashboardKontributorView,
    DetailMateri,
    ProfilView,
    SuntingProfilView,
    SuksesLoginAdminView,
    SuksesLoginKontributorView,
    PostsView,
    RevisiMateriView,
    ReqMateriView,
    KatalogPerKontributorView,
    UploadMateriView,
    UploadMateriExcelView,
    PasswordChangeViews,
    password_success,
    MateriFavorite,
)
from app.forms import SuntingProfilForm, year_choices
from app.utils.fileManagementUtil import get_random_filename, remove_image_exifdata

ERROR_403_MESSAGE = "Kamu harus login untuk mengakses halaman ini"

from django.test import LiveServerTestCase
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.keys import Keys
from webdriver_manager.chrome import ChromeDriverManager
from selenium.common.exceptions import NoSuchElementException
import requests
from statistics import mean



class DaftarKatalogTest(TestCase):
    def test_daftar_katalog_url_exist(self):
        url = "/"
        response = Client().get(f"{url}")
        self.assertEqual(response.status_code, 200)

    def test_daftar_katalog_using_daftar_katalog_template(self):
        response = Client().get("/")
        self.assertTemplateUsed(response, "app/katalog_materi.html")

    def test_daftar_katalog_using_daftar_katalog_func(self):
        found = resolve("/")
        self.assertEqual(found.func.__name__, DaftarKatalog.as_view().__name__)

    def test_fields(self):
        materi = Materi()
        materi.title = "tes"
        materi.cover = "https://cache.umusic.com/_sites/billieeilish/v2/images/pic-red.jpg"
        materi.author = "input"
        materi.save()

        resp = Materi.objects.get(id=materi.id)
        self.assertEqual(resp, materi)

    def test_materi_model_generate_search_vector_after_save(self):
        Materi(title="Eating book").save()

        search_vector_new_materi = list(Materi.objects.values_list("_search_vector", flat=True))
        expected_search_vector = ["'book':2A 'eat':1A"]

        self.assertSequenceEqual(search_vector_new_materi, expected_search_vector)

    def test_search_text_on_empty_database(self):
        search_query = "test"

        search_result = list(Materi.objects.search(search_query))
        expected_search_result = []

        self.assertSequenceEqual(search_result, expected_search_result)

    def test_search_text_on_unmatched_data(self):
        Materi(title="test satu sekarang").save()
        Materi(title="test dua nanti").save()

        search_query = "besok"

        search_result = list(Materi.objects.search(search_query))
        expected_search_result = []

        self.assertSequenceEqual(search_result, expected_search_result)

    def test_search_text_return_list_matched_by_rank(self):
        materi_2 = Materi(title="ini lumayan cocok lumayan cocok")
        materi_2.save()

        materi_1 = Materi(title="ini sangat cocok sangat cocok sangat cocok")
        materi_1.save()

        materi_4 = Materi(title="ini tidak")
        materi_4.save()

        materi_3 = Materi(title="ini sedikit cocok")
        materi_3.save()

        search_query = "ini cocok"

        search_result = list(Materi.objects.search(search_query))
        expected_search_result = [materi_1, materi_2, materi_3]

        self.assertSequenceEqual(search_result, expected_search_result)

class DaftarKatalogSortingByJumlahUnduhTest(TestCase):
    def setUp(self):
        self.client = Client()

        self.contributor_credential = {
        "email": "kontributor@gov.id",
        "password": "passwordtest"
            }

        self.contributor_credential_2 = {
                "email": "kontributor2@gov.id",
                "password": "passwordtest"
            }

        self.contributor = get_user_model().objects.create_user(
            **self.contributor_credential, name="Kontributor 1", is_contributor=True)
        self.contributor2 = get_user_model().objects.create_user(
            **self.contributor_credential_2, name="Kontributor 2", is_contributor=True)

        self.cover = SimpleUploadedFile(
            "Cherprang_Areekul40_nJM9dGt.jpg", b"Test file")
        self.content = SimpleUploadedFile("Bahan_PA_RKK.pdf", b"Test file")

        Materi(title="Materi 1", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 1",
               status="APPROVE", cover=self.cover, content=self.content).save()
        time.sleep(1)
        Materi(title="Materi 2", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 2",
               status="APPROVE", cover=self.cover, content=self.content).save()

        self.last_uploaded_material = Materi.objects.last()

        material_unduh_url = f"/materi/{self.last_uploaded_material.id}/unduh"
        self.client.get(material_unduh_url)

    def test_sorting_by_jumlah_unduh(self):
        response = self.client.get("/?sort=jumlah_unduh")
        self.assertRegex(str(response.content), rf'.*Materi 2.*Materi 1.*')

class DaftarKatalogSortingByJumlahTampilanTest(TestCase):
    def setUp(self):
        self.contributor_credential = {
            "email": "kontributor@gov.id",
            "password": id_generator()
        }
        self.contributor = get_user_model().objects.create_user(
            **self.contributor_credential, name="Kontributor", is_contributor=True
        )
        self.client = Client()
        content = b"Test file"
        self.cover = SimpleUploadedFile(
            "cover.jpg",
            content
        )
        self.content = SimpleUploadedFile(
            "content.txt",
            content
        )
        Materi(title="Materi 1", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 1",
               status="PENDING", cover=self.cover, content=self.content).save()

        Materi(title="Materi 2", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 1",
               status="PENDING", cover=self.cover, content=self.content).save()
        self.materi2 = Materi.objects.last()
        self.url = f"/materi/{self.materi2.id}/view"

    def sorting_by_jumlah_tampilan(self):
        self.client.get(self.url)
        response = self.client.get("/?sort=jumlah_tampilan")
        self.assertRegex(str(response.content), rf'.*Materi 2.*Materi 1.*')
    
class DaftarKatalogPerKontributorTest(TestCase):
    def setUp(self):
        self.client = Client()

        self.contributor_credential = {
                "email": "kontributor@gov.id",
                "password": "passwordtest"
            }

        self.contributor_credential_2 = {
                "email": "kontributor2@gov.id",
                "password": "passwordtest"
            }

        self.contributor = get_user_model().objects.create_user(
            **self.contributor_credential, name="Kontributor 1", is_contributor=True)
        self.contributor2 = get_user_model().objects.create_user(
            **self.contributor_credential_2, name="Kontributor 2", is_contributor=True)

        self.cover = SimpleUploadedFile(
            "Cherprang_Areekul40_nJM9dGt.jpg", b"Test file")
        self.content = SimpleUploadedFile("Bahan_PA_RKK.pdf", b"Test file")

        Materi(title="Materi 1", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 1",
               status="APPROVE", cover=self.cover, content=self.content).save()
        Materi(title="Materi 2", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 2",
               status="APPROVE", cover=self.cover, content=self.content).save()
        Materi(title="Materi 3", author="Agas", uploader=self.contributor2,
               publisher="Kelas SC", descriptions="Deskripsi Materi 3",
               status="APPROVE", cover=self.cover, content=self.content).save()

        self.url = f"/profil/{self.contributor.email}/"

    def test_katalog_per_kontributor_url_exist(self):
        response = self.client.get(self.url)
        self.assertEqual(response.status_code, 200)

    def test_katalog_per_kontributor_using_katalog_kontri_template(self):
        response = self.client.get(self.url)
        self.assertTemplateUsed(response, "app/katalog_kontri.html")

    def test_katalog_per_kontributor_using_katalog_per_kontributor_func(self):
        found = resolve(self.url)
        self.assertEqual(found.func.__name__, KatalogPerKontributorView.as_view().__name__)

    def test_katalog_per_kontributor_show_daftar_materi_kontributor(self):
        response = self.client.get(self.url)

        list_materi = Materi.objects.filter(uploader=self.contributor)
        data = response.context_data["materi_list"]
        self.assertEqual(len(list_materi), len(data))


class DetailMateriTest(TestCase):
    def setUp(self):
        self.client = Client()
        self.admin_credential = {
            "email": "admin@gov.id",
            "password": "passwordtest"
        }
        self.contributor_credential = {
            "email": "kontributor@gov.id",
            "password": "passwordtest"
        }
        self.anonymous_credential = {
            "email": "anonymous@gov.id",
            "password": "passwordtest"
        }
        self.admin = get_user_model().objects.create_user(
            **self.admin_credential, name="Admin", is_admin=True)
        self.contributor = get_user_model().objects.create_user(
            **self.contributor_credential, name="Kontributor", is_contributor=True)
        self.anonymous = get_user_model().objects.create_user(
            **self.anonymous_credential, name="Anonymous"
        )
        self.cover = SimpleUploadedFile(
            "ExampleCover921.jpg", b"Test file")
        self.content = SimpleUploadedFile("ExampleFile921.pdf", b"Test file")

        Materi(title="Materi 1", author="Agas", uploader=self.contributor,
               publisher="Kelas SC", descriptions="Deskripsi Materi 1",
               status="APPROVE", cover=self.cover, content=self.content).save()
        self.materi1 = Materi.objects.first()
        self.url = "/materi/" + str(self.materi1.id) + "/"

        self.materi_with_published_date = Materi.objects.create(title="Materi 1", author="Agas", uploader=self.contributor,
                                                 publisher="Kelas SC", descriptions="Deskripsi Materi 1",
                                                 status="APPROVE", cover=self.cover, content=self.content,
                                                 date_modified=datetime.now(), date_created=datetime.now())
        self.materi_with_published_date_url = "/materi/" + str(self.materi_with_published_date.id) + "/"
        VerificationReport.objects.create(report='{"feedback": "Something", "kriteria": [{"title": "Kriteria 1", "status": true},' + \
            ' {"title": "Kriteria 2", "status": true}, {"title": "Kriteria 3", "status": true}]}', \
            timestamp="2020-10-09 06:21:33", status="Diterima", materi= self.materi_with_published_date, \
            user=self.materi_with_published_date.uploader)

    def test_detail_materi_url_exist(self):
        response = Client().get(self.url)
        self.assertEqual(response.status_code, 200)
        self.assertNotEqual(response.status_code, 404)

    def test_detail_materi_using_detail_materi_template(self):
        response = Client().get(self.url)
        self.assertTemplateUsed(response, "app/detail_materi.html")

    def test_detail_materi_using_detail_materi_func(self):
        found = resolve(self.url)
        self.assertEqual(found.func.__name__, DetailMateri.as_view().__name__)

    def test_category_models_can_create_new_object(self):
        test = Category.objects.create(
            id="1", name="medis", description="kategori medis")
        countData = Category.objects.all().count()
        self.assertEqual(1, countData)
        self.assertNotEqual(0, countData)
        self.assertEqual(test.__str__(), "medis")
        self.assertNotEqual(test.__str__(), "saul")

    def test_comment_models_can_create_new_object(self):
        test = Comment.objects.create(
            username="saul", profile="121212", comment="232323")
        countData = Comment.objects.all().count()
        self.assertEqual(1, countData)
        self.assertNotEqual(0, countData)
        self.assertEqual(test.__str__(), "saul")
        self.assertNotEqual(test.__str__(), "userlain")

    def test_post_blank_comment(self):
        url = self.url
        self.client.login(**self.anonymous_credential)
        response = self.client.post(url, {"comment": ""})
        self.assertIn("error_message", response.context)
        self.assertIn("Anda belum menuliskan komentar",
                      response.context["error_message"])

    def test_comment_rendered_to_template(self):
        url = self.url
        self.client.login(**self.contributor_credential)
        self.client.post(url, {"comment": "This is my new comment"})
        response = Client().get(url)
        self.assertContains(response, "This is my new comment")

    def test_comment_by_admin(self):
        url = self.url
        self.client.login(**self.admin_credential)
        self.client.post(url, {"comment": "This is new comment by Admin"})
        response = self.client.get(url)
        self.assertContains(response, "Admin")

    def test_comment_by_kontributor(self):
        url = self.url
        self.client.login(**self.contributor_credential)
        self.client.post(
            url, {"comment": "This is new comment by Contributor"})
        response = self.client.get(url)
        self.assertContains(response, "Kontributor")

    def test_comment_by_anonymous(self):
        url = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)
        self.client.post(url, {"comment": "This is new comment by Anonymous"})
        response = self.client.get(url)
        self.assertContains(response, "Anonymous")

    def test_comment_disliked_by_anonymous(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})
        comment = Comment.objects.get(comment="This is new comment by Anonymous").id
        response = self.client.get(url_materi)
        session_id = response.context["session_id"]

        payload = {"comment": comment, "session_id": session_id}
        ajax_response = self.client.post("/comment/dislike/", payload)
        num_of_comment_dislikes = DislikeComment.objects.filter(comment=comment).count()
        self.assertEqual(num_of_comment_dislikes, 0)

    def test_comment_liked_by_anonymous(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})
        comment = Comment.objects.get(comment="This is new comment by Anonymous").id
        response = self.client.get(url_materi)
        session_id = response.context["session_id"]

        payload = {"comment": comment, "session_id": session_id}
        ajax_response = self.client.post("/comment/like/", payload)
        num_of_comment_likes = LikeComment.objects.filter(comment=comment).count()
        self.assertEqual(num_of_comment_likes, 0)

    def test_comment_undisliked_by_anonymous(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})
        comment = Comment.objects.get(comment="This is new comment by Anonymous")
        response = self.client.get(url_materi)
        session_id = response.context["session_id"]
        
        payload = {"comment": comment, "session_id": session_id}
        ajax_response = self.client.post("/comment/dislike/", payload)
        
        ajax_response = self.client.post("/comment/dislike/", payload)
        num_of_comment_dislikes = DislikeComment.objects.filter(comment=comment, session_id=session_id).count()
        self.assertEqual(num_of_comment_dislikes, 0)

    def test_comment_unliked_by_anonymous(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})
        comment = Comment.objects.get(comment="This is new comment by Anonymous")
        response = self.client.get(url_materi)
        session_id = response.context["session_id"]
        
        payload = {"comment": comment, "session_id": session_id}
        ajax_response = self.client.post("/comment/like/", payload)
        
        ajax_response = self.client.post("/comment/like/", payload)
        num_of_comment_likes = LikeComment.objects.filter(comment=comment, session_id=session_id).count()
        self.assertEqual(num_of_comment_likes, 0)

    def test_comment_new_does_not_have_dislike(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        response = self.client.get(url_materi)
        session_id = response.context["session_id"]
        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})

        comment = Comment.objects.get(comment="This is new comment by Anonymous")
        comment_dislike_counter = DislikeComment.objects.filter(comment=comment, session_id=session_id).count()
        self.assertEqual(comment_dislike_counter, 0)

    def test_comment_new_does_not_have_like(self):
        url_materi = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)

        response = self.client.get(url_materi)
        session_id = response.context["session_id"]
        self.client.post(url_materi, {"comment": "This is new comment by Anonymous"})

        comment = Comment.objects.get(comment="This is new comment by Anonymous")
        comment_like_counter = LikeComment.objects.filter(comment=comment, session_id=session_id).count()
        self.assertEqual(comment_like_counter, 0)

    def test_detail_materi_contains_comment_count(self):
        url = self.url
        self.client.login(**self.contributor_credential)

        response = self.client.get(url)
        self.assertContains(response, "Komentar (0)")

        self.client.post(
            url, {"comment": "This is new comment by Contributor"})
        self.client.post(
            url, {"comment": "This is new comment by Contributor"})
        response = self.client.get(url)
        self.assertContains(response, "Komentar (2)")

    def test_detail_materi_contains_form_comment(self):
        self.client.login(**self.contributor_credential)
        response = self.client.get(self.url)
        self.assertContains(response, "Beri komentar...")

    def test_detail_materi_not_contains_form_comment(self):
        response = self.client.get(self.url)
        self.assertNotContains(response, "Beri komentar...")
        self.assertContains(response, "Login terlebih dahulu untuk berkomentar")

    def create_and_delete_comment(self, is_admin=False, is_contributor=False):
        url = self.url
        self.client.login(**self.admin_credential)
        self.client.post(url, {"comment": "This is new comment by Anonymous"})
        deleteURL = "/delete/" + str(self.materi1.id) + "/" + str(
            Comment.objects.get(comment="This is new comment by Anonymous").id)
        if is_admin:
            self.client.login(**self.admin_credential)
        if is_contributor:
            self.client.login(**self.contributor_credential)
        if not is_admin and not is_contributor:
            self.client.login(**self.anonymous_credential)
        response = self.client.get(deleteURL)
        return response

    def test_delete_comments_by_admin(self):
        self.create_and_delete_comment(is_admin=True)
        count = Comment.objects.all().filter(comment="This is new comment by Anonymous").count()
        self.assertEqual(count, 0)

    def test_delete_comments_by_contributor(self):
        response = self.create_and_delete_comment(is_contributor=True)

        self.assertRaises(PermissionDenied)
        self.assertEqual(response.status_code, 403)

        count = Comment.objects.all().filter(comment="This is new comment by Anonymous").count()
        self.assertEqual(count, 1)

    def test_delete_comments_by_anonymous(self):
        response = self.create_and_delete_comment()

        self.assertRaises(PermissionDenied)
        self.assertEqual(response.status_code, 403)

        count = Comment.objects.all().filter(comment="This is new comment by Anonymous").count()
        self.assertEqual(count, 1)

    
    def test_review_models_can_create_new_object(self):
        test = Review.objects.create(
            username="saul", profile="121212", review="232323")
        countData = Review.objects.all().count()
        self.assertEqual(1, countData)
        self.assertNotEqual(0, countData)
        self.assertEqual(test.__str__(), "saul")
        self.assertNotEqual(test.__str__(), "userlain")

    def test_post_blank_review(self):
        url = self.url
        self.client.login(**self.anonymous_credential)
        response = self.client.post(url, {"review": ""})
        self.assertIn("error_message", response.context)
        self.assertIn("Anda belum menuliskan komentar",
                      response.context["error_message"])

    def test_review_rendered_to_template(self):
        url = self.url
        self.client.login(**self.contributor_credential)
        self.client.post(url, {"review": "This is my new review"})
        response = Client().get(url)
        self.assertContains(response, "This is my new review")

    def test_review_by_admin(self):
        url = self.url
        self.client.login(**self.admin_credential)
        self.client.post(url, {"review": "This is new review by Admin"})
        response = self.client.get(url)
        self.assertContains(response, "Admin")

    def test_review_by_kontributor(self):
        url = self.url
        self.client.login(**self.contributor_credential)
        self.client.post(
            url, {"review": "This is new review by Contributor"})
        response = self.client.get(url)
        self.assertContains(response, "Kontributor")

    def test_review_by_anonymous(self):
        url = self.url
        self.client.get("/logout/")
        self.client.login(**self.anonymous_credential)
        self.client.post(url, {"review": "This is new review by Anonymous"})
        response = self.client.get(url)
        self.assertContains(response, "Anonymous")
    
    def test_detail_materi_contains_review_count(self):
        url = self.url
        self.client.login(**self.contributor_credential)

        response = self.client.get(url)
        self.assertContains(response, "Review (0)")

        self.client.post(
            url, {"review": "This is new review by Contributor"})
        self.client.post(
            url, {"review": "This is new review by Contributor"})
        response = self.client.get(url)
        self.assertContains(response, "Review (2)")

    def test_detail_materi_contains_form_review(self):
        self.client.login(**self.contributor_credential)
        response = self.client.get(self.url)
        self.assertContains(response, "Beri Review")

    def test_detail_materi_not_contains_form_review(self):
        response = self.client.get(self.url)
        self.assertNotContains(response, "Beri Review")
        self.assertContains(response, "Login terlebih dahulu untuk Membuat review")

    def test_tombol_citasiAPA(self):
        response = self.client.get(self.url)
        self.assertContains(response, "Citate APA")

    def test_hasil_citasi_APA_materi_has_no_published_date(self):
        response = self.client.get(self.url)
        expected = self.materi1.author + " . (n.d) . " + self.materi1.title + " . " + self.materi1.publisher	
        self.assertIn(expected, response.context["citationAPA"])
        self.assertIn(expected,
                      response.context["citationAPA"])

    def test_hasil_citasi_APA_materi_has_published_date(self):
        response = self.client.get(self.materi_with_published_date_url)
        published_date = self.materi_with_published_date.published_date.strftime("%Y-%m-%d %H:%M")	
        expected = (	
            self.materi_with_published_date.author	
            + " . ("	
            + published_date	
            + ") . "	
            + self.materi_with_published_date.title	
            + " . "	
            + self.materi_with_published_date.publisher	
        )	
        self.assertIn(expected, response.context["citationAPA"])
    
    def test_citation_IEEE_button(self):
        response = self.client.get(self.url)
        self.assertContains(response, "Citate IEEE")

    def test_citation_IEEE_materi_has_no_published_date(self):
        response = self.client.get(self.url)
        current_date = datetime.now()
        current_day = str(current_date.day)
        current_month = current_date.strftime("%b")
        current_year = str(current_date.year)

        expected = (	
            "Agas, "	
            + "Materi 1. "	
            + "Kelas SC, n.d. "	
            + "Accessed on: "	
            + current_month	
            + ". "	
            + current_day	
            + ", "	
            + current_year	
            + ". [Online]. "	
            + "Available: http://testserver"	
            + self.url	
        )
        self.assertIn(expected, response.context["citationIEEE"])

    def test_citation_IEEE_materi_has_published_date(self):
        response = self.client.get(self.materi_with_published_date_url)
        current_date = datetime.now()
        current_day = str(current_date.day)
        current_month = current_date.strftime("%b")
        current_year = str(current_date.year)
        published_date = self.materi_with_published_date.published_date.strftime('%Y')

        expected = "Agas, " + \
                   "Materi 1. " + \
                   "Kelas SC, " + published_date + ". " +\
                   "Accessed on: " + current_month + ". " + current_day + ", " + current_year + \
                   ". [Online]. " + \
                   "Available: http://testserver" + self.materi_with_published_date_url
        self.assertIn(expected, response.context["citationIEEE"])

    def test_tombol_bagikan_google_drive(self):
        response = Client().get(self.url)
        self.assertContains(response, 'Google Drive')

    @mock.patch("app.services.GoogleDriveUploadService.upload_to_gdrive")
    def test_save_to_gdrive_with_nonexistent_materi(self, mock_upload_to_gdrive):
        response = self.client.get('/materi/%s/save-to-gdrive/' % 0)
        mock_upload_to_gdrive.assert_not_called()
        self.assertEqual(response.status_code, 404)

    @mock.patch("app.services.GoogleDriveUploadService.upload_to_gdrive")
    def test_save_to_gdrive_with_valid_materi(self, mock_upload_to_gdrive):
        response = self.client.get(
            '/materi/%s/save-to-gdrive/' % self.materi1.id, follow=True)
        last_url, status_code = response.redirect_chain[-1]
        mock_upload_to_gdrive.assert_called_once()
        self.assertEqual(last_url, '/materi/%d/' % self.materi1.id)
        self.assertEqual(status_code, 302)


class PostsViewTest(TestCase):

    @classmethod
    def generate_posts_data(cls, user):
        POST_COUNT = 3
        COMMENTS_COUNT_PER_POST = [1, 0, 3]
        LIKES_COUNT_PER_POST = [5, 4, 2]

        assert POST_COUNT == len(COMMENTS_COUNT_PER_POST)

        sample_file = SimpleUploadedFile("Test.jpg", b"Test file")
        sample_category = Category.objects.create(name="Test Category")

        post_comment_group_dict = {}
        for i in range(POST_COUNT):
            post = Materi.objects.create(
                uploader=user,
                cover=sample_file,
                content=sample_file,
            )
            post.categories.add(sample_category)

            post_comment_group_dict[post.id] = {
                "data": post,
                "comments": [],
            }

            for j in range (LIKES_COUNT_PER_POST[i]):
                Like.objects.create(
                    timestamp=datetime.now(), 
                    materi=post, 
                    session_id=("dummysession-" + str(i) + '-' + str(j))
                )
            
        for i, post_id in enumerate(post_comment_group_dict):
            post = post_comment_group_dict[post_id]["data"]

            for _ in range(COMMENTS_COUNT_PER_POST[i]):
                comment = Comment.objects.create(materi=post)
                post_comment_group_dict[post_id]["comments"].append(comment)

            # order by latest (-timestamp)
            post_comment_group_dict[post_id]["comments"].reverse()

        return post_comment_group_dict

    @classmethod
    def setUpTestData(cls):
        cls.url = '/posts/'
        cls.user_credentials = {
            "email": "user@email.com",
            "password": "justpass"
        }
        cls.user = User.objects.create_user(**cls.user_credentials, is_contributor=True)
        cls.data = cls.generate_posts_data(cls.user)

    def _request_as_user(self):
        self.client.login(**self.user_credentials)
        return self.client.get(self.url)

    def test_url_resolves_to_posts_view(self):
        found = resolve(self.url)
        self.assertEqual(found.func.__name__, PostsView.as_view().__name__)

    def test_returns_200_on_authenticated_access(self):
        response = self._request_as_user()
        self.assertEqual(response.status_code, 200)

    def test_returns_403_on_unauthenticated_access(self):
        response = self.client.get(self.url)
        self.assertRaises(PermissionDenied)
        self.assertEqual(response.status_code, 403)

        html = response.content.decode("utf-8")
        self.assertIn(ERROR_403_MESSAGE, html)

    def test_returns_correct_template(self):
        response = self._request_as_user()
        self.assertTemplateUsed(response, "user_uploaded_posts.html")

    def test_success_returns_correct_comment_post_groupings_by_context(self):
        post_comment_group_dict = self.data

        response = self._request_as_user()

        response_user = response.context_data["user"]
        self.assertEqual(response_user, self.user)

        response_data = response.context_data["posts"]
        actual_data = post_comment_group_dict
        self.assertDictEqual(response_data, actual_data)

    def test_html_contains_grouped_posts_and_comments(self):
        response = self._request_as_user()

        posts = list(self.data.keys())
        comments = {
            i: [comment.id for comment in self.data[post_id]["comments"]]
            for i, post_id in enumerate(posts)
        }

        self.assertRegex(
            str(response.content),
            rf'.*(<div id="post-{posts[2]}">)' + \
            rf'.*(<div id="post-{posts[2]}-comment-{comments[2][0]}">)' + \
            rf'.*(<div id="post-{posts[2]}-comment-{comments[2][1]}">)' + \
            rf'.*(<div id="post-{posts[2]}-comment-{comments[2][2]}">)' + \
            rf'.*(<div id="post-{posts[1]}">)' + \
            rf'.*(<div id="post-{posts[0]}">)' + \
            rf'.*(<div id="post-{posts[0]}-comment-{comments[0][0]}">)'
        )

    def test_like_count_written_correctly_on_template(self):
        response = self._request_as_user()

        for _, post_id in enumerate(self.data):
            post = self.data[post_id]["data"]

            self.assertContains(
                response,
                '<span id="post-like-count-' + str(post.id) + '">' +  str(post.like_count) + '</span>',
            )

class TemplateLoaderTest(TestCase):
    def test_template_loader_url_exist(self):
        url = "/test-page.html"
        response = Client().get(url)
        self.assertEqual(response.status_code, 200)

    def test_template_loader_using_template_loader_template(self):
        url = "/test-page.html"
        response = Client().get(url)
        expected_template_name = "test-page.html"
        self.assertTemplateUsed(response, expected_template_name)

    def test_template_loader_using_template_loader_func(self):
        url = "/test-page.html"
        found = resolve(url)
        expected_view_name = "pages"
        self.assertEqual(found.func.__name__, expected_view_name)

    def test_template_loader_handle_non_existent_html(self):
        url = "/test.html"
        expected_template_name = "error-404.html"
        response = Client().get(url)
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, expected_template_name)


class UploadPageTest(TestCase):
    def setUp(self):
        self.client = Client()
        self.user = User.objects._create_user(email="kontributor@gov.id",
                                              password="kontributor", is_contributor=True)
        self.admin = User.objects.create_admin(email="admin@gov.id",
                                               password="admin")

    def test_upload_page_using_login_func(self):
        found = resolve("/unggah/")
        self.assertEqual(found.func.__name__,
                         UploadMateriView.as_view().__name__)

    def test_upload_page_url_is_exist(self):
        # Positive test
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah/")
        self.assertEqual(response.status_code, 200)

        # Negative tests
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = Client().get("/fake/")
        self.assertEqual(response.status_code, 404)

    def test_upload_page_url_admin_doesnt_exist(self):        
        self.client.login(email="admin@gov.id",
                          password="admin")
        response = self.client.get("/unggah/")
        self.assertEqual(response.status_code, 403)

    def test_upload_page_url_admin_cant_upload(self):        
        self.client.login(email="admin@gov.id",
                          password="admin")
        response = self.client.post("/unggah/")
        self.assertEqual(response.status_code, 403)

    def test_upload_page_template(self):
        url = "/unggah/"
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get(url)
        expected_template_name = "unggah.html"
        self.assertTemplateUsed(response, expected_template_name)

    def test_upload_page_title(self):
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah/")

        # Positive tests
        self.assertContains(response, "Unggah Materi")

        # Negative tests
        self.assertNotContains(response, "Anything")

    def test_upload_page_form_field(self):
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah/")

        # Positive tests
        self.assertContains(response, "title")

        # Negative tests
        self.assertNotContains(response, "anything")


class UploadExcelPageTest(TestCase):
    def setUp(self):
        self.client = Client()
        self.user = User.objects._create_user(email="kontributor@gov.id",
                                              password="kontributor", is_contributor=True)

    def test_upload_excel_page_using_login_func(self):
        found = resolve("/unggah_excel/")
        self.assertEqual(found.func.__name__,
                         UploadMateriExcelView.as_view().__name__)

    def test_uplaod_excel_page_url_is_exist(self):
        # Positive test
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah_excel/")
        self.assertEqual(response.status_code, 200)

        # Negative tests
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = Client().get("/fake/")
        self.assertEqual(response.status_code, 404)

    def test_upload_excel_page_template(self):
        url = "/unggah_excel/"
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get(url)
        expected_template_name = "unggah_excel.html"
        self.assertTemplateUsed(response, expected_template_name)

    def test_upload_excel_page_title(self):
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah_excel/")

        # Positive tests
        self.assertContains(response, "Unggah Materi dari Excel")

        # Negative tests
        self.assertNotContains(response, "Anything")

    def test_upload_excel_page_form_field(self):
        self.client.login(email="kontributor@gov.id",
                          password="kontributor")
        response = self.client.get("/unggah_excel/")

        # Positive tests
        self.assertContains(response, "File (*.xlsx)")

        # Negative tests
        self.assertNotContains(response, "anything")

    def create_dummy_excel(self, field_lengths={}, categories=[]):
        title1 = "Hands-On Machine Learning with Scikit-Learn and TensorFlow: Concepts, Tools, and Techniques to Build Intelligent Systems"
        author1 = "Aurelien Geron, Aurelien Geron, Aurelien Geron"
        publisher1 = "O'Reilly Media, O'Reilly Media, O'Reilly Media"
        categories1 = "Machine Learning,Deep Learning,Computer Science"
        description1 = "A series of Deep Learning breakthroughs have boosted the whole field of machine learning over the last decade. Now that machine learning is thriving, even programmers who know close to nothing about this technology can use simple, efficient tools to implement programs capable of learning from data. This practical book shows you how."

        if 'title' in field_lengths:
            title1 = title1[:field_lengths['title']]

        if 'author' in field_lengths:
            author1 = author1[:field_lengths['author']]

        if 'publisher' in field_lengths:
            publisher1 = publisher1[:field_lengths['publisher']]

        if len(categories) > 0:
            categories1 = ','.join(categories)

        data_frame = pd.DataFrame({
            'Title': [title1],
            'Author': [author1],
            'Publisher': [publisher1],
            'Categories': [categories1],
            'Description': [description1],
        })