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test_parser.py
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test_parser.py
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import os
from datetime import datetime
from unittest import TestCase, mock
import pytest
from pytz import utc
from sr_invoice_parser.exceptions import ParserParseException, ParserRequestException
from sr_invoice_parser.parser import InvoiceParser
__location__ = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
def read_example_response():
with open(os.path.join(__location__, "example_response.html"), "rb") as file:
content = file.read()
return content
class TestParser(TestCase):
def setUp(self):
super().setUp()
self.example_response = read_example_response()
def create_success_mock_response(self):
mock_response = mock.Mock()
mock_response.status_code = 200
mock_response.text = self.example_response
return mock_response
def create_wrong_mock_response(self):
mock_response = mock.Mock()
mock_response.status_code = 200
mock_response.text = "Bad mock response"
return mock_response
def test_init_no_url_and_html(self):
"""Test that an exception is raised when no URL or HTML content is provided"""
with pytest.raises(
ParserParseException, match="URL or HTML content is required"
):
InvoiceParser()
def test_validate_url(self) -> None:
"""Test that the validate_url method works as expected"""
with pytest.raises(ParserRequestException, match="Invalid domain"):
InvoiceParser(url="https://example.com").validate_url()
InvoiceParser(url="https://suf.purs.gov.rs/v/vl?").validate_url()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_fetch_failed_with_400(self, mock_get):
# Create a mock response
mock_response = mock.Mock()
mock_response.status_code = 400
mock_response.text = "Mock response"
mock_get.return_value = mock_response
with pytest.raises(
ParserRequestException, match="Request failed with status code 400"
):
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
parser.fetch()
mock_get.assert_called_once_with("https://suf.purs.gov.rs/v/vl?")
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_fetch_response(self, mock_get):
# Create a mock response
mock_response = mock.Mock()
mock_response.status_code = 200
mock_response.text = "Mock response"
mock_get.return_value = mock_response
parser = InvoiceParser(html_text="Example HTML content")
parser.url = "https://suf.purs.gov.rs/v/vl?"
result = parser.fetch()
assert result == "Mock response"
mock_get.assert_called_once_with("https://suf.purs.gov.rs/v/vl?")
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_company_name_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_company_name': 'NoneType' object has no attribute 'strip'",
):
parser.get_company_name()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_company_name': 'NoneType' object has no attribute 'strip'",
):
parser.get_company_name()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_company_name(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = "Primer naziva firme"
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_company_name() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_company_name() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_company_tin_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_company_tin': 'NoneType' object has no attribute 'strip'",
):
parser.get_company_tin()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_company_tin': 'NoneType' object has no attribute 'strip'",
):
parser.get_company_tin()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_company_tin(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = "123456789"
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_company_tin() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_company_tin() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_buyer_tin(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = "987654321"
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_buyer_tin() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_buyer_tin() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_total_amount_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_total_amount': 'NoneType' object has no attribute 'strip'",
):
parser.get_total_amount()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_total_amount': 'NoneType' object has no attribute 'strip'",
):
parser.get_total_amount()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_total_amount(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = float(8960.0)
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_total_amount() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_total_amount() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_dt_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_dt': 'NoneType' object has no attribute 'strip'",
):
parser.get_dt()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_dt': 'NoneType' object has no attribute 'strip'",
):
parser.get_dt()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_dt(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = datetime(2024, 4, 7, 15, 0, 30).replace(tzinfo=utc)
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_dt() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_dt() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_invoice_number_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_invoice_number': 'NoneType' object has no attribute 'strip'",
):
parser.get_invoice_number()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_invoice_number': 'NoneType' object has no attribute 'strip'",
):
parser.get_invoice_number()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_invoice_number(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = "QWERTYU1-QWERTYU1-12345"
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_invoice_number() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_invoice_number() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_invoice_text_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_invoice_text': 'NoneType' object has no attribute 'strip'",
):
parser.get_invoice_text()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_invoice_text': 'NoneType' object has no attribute 'strip'",
):
parser.get_invoice_text()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_invoice_text(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = """<pre style="font-family:monospace">============ ФИСКАЛНИ РАЧУН ============
123456789
OKOV INTERNATIONAL
Primer naziva firme
Кнеза Михаила
Београд-Београд
Касир: prodavac1
ИД купца: 10:987654321
ЕСИР број: 644/20.1
-------------ПРОМЕТ ПРОДАЈА-------------
Артикли
========================================
Назив Цена Кол. Укупно
Veoma dugačak naziv artikla za testiranj
e test 1 (Ђ)
4.000,00 1 4.000,00
Veoma dugačak naziv artikla za testiranj
test 2 (Ђ)
1.000,00 1 1.000,00
Kratak naziv artikla 1 (Е)
1.960,00 1 1.960,00
Kratak naziv artikla 2 (G)
1.000,00 1 1.000,00
Kratak naziv artikla 3 (A)
1.000,00 1 1.000,00
----------------------------------------
Укупан износ: 8.960,00
Платна картица: 8.960,00
========================================
Ознака Име Стопа Порез
Ђ О-ПДВ 20,00% 500,00
Е О-ПДВ 10,00% 196,00
A О-ПДВ 0,00% 0,00
G О-ПДВ 0,00% 0,00
----------------------------------------
Укупан износ пореза: 696,00
========================================
ПФР време: 07.04.2024. 17:00:30
ПФР број рачуна: QWERTY1U-QWERTY1U-18855
3
Бројач рачуна: 175097/188553ПП
========================================<br><img src="data:image/gif;base64" width="250" height="250">
======== КРАЈ ФИСКАЛНОГ РАЧУНА =========</pre>"""
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_invoice_text() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_invoice_text() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_items_failed(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_wrong_mock_response()
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_items': Failed to parse the HTML content in 'get_invoice_text': 'NoneType' object has no attribute 'strip'",
):
parser.get_items()
# test with HTML content
parser = InvoiceParser(html_text="Bad HTML content")
with pytest.raises(
ParserParseException,
match="Failed to parse the HTML content in 'get_items': Failed to parse the HTML content in 'get_invoice_text': 'NoneType' object has no attribute 'strip'",
):
parser.get_items()
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_items(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = [
{
"name": "Veoma dugačak naziv artikla za testiranje test 1",
"vat": 20,
"price": 4000.0,
"quantity": 1,
"total_price": 4000.0,
},
{
"name": "Veoma dugačak naziv artikla za testiranj test 2",
"vat": 20,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
{
"name": "Kratak naziv artikla 1",
"vat": 10,
"price": 1960.0,
"quantity": 1,
"total_price": 1960.0,
},
{
"name": "Kratak naziv artikla 2",
"vat": 0,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
{
"name": "Kratak naziv artikla 3",
"vat": 0,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
]
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.get_items() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.get_items() == value
@mock.patch("sr_invoice_parser.parser.requests.get")
def test_get_data(self, mock_get):
# Create a mock response
mock_get.return_value = self.create_success_mock_response()
value = {
"company_name": "Primer naziva firme",
"company_tin": "123456789",
"buyer_tin": "987654321",
"invoice_number": "QWERTYU1-QWERTYU1-12345",
"invoice_datetime": datetime(2024, 4, 7, 15, 0, 30).replace(tzinfo=utc),
"invoice_total_amount": 8960.0,
"invoice_items": [
{
"name": "Veoma dugačak naziv artikla za testiranje test 1",
"vat": 20,
"price": 4000.0,
"quantity": 1,
"total_price": 4000.0,
},
{
"name": "Veoma dugačak naziv artikla za testiranj test 2",
"vat": 20,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
{
"name": "Kratak naziv artikla 1",
"vat": 10,
"price": 1960.0,
"quantity": 1,
"total_price": 1960.0,
},
{
"name": "Kratak naziv artikla 2",
"vat": 0,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
{
"name": "Kratak naziv artikla 3",
"vat": 0,
"price": 1000.0,
"quantity": 1,
"total_price": 1000.0,
},
],
"invoice_text": """<pre style="font-family:monospace">============ ФИСКАЛНИ РАЧУН ============
123456789
OKOV INTERNATIONAL
Primer naziva firme
Кнеза Михаила
Београд-Београд
Касир: prodavac1
ИД купца: 10:987654321
ЕСИР број: 644/20.1
-------------ПРОМЕТ ПРОДАЈА-------------
Артикли
========================================
Назив Цена Кол. Укупно
Veoma dugačak naziv artikla za testiranj
e test 1 (Ђ)
4.000,00 1 4.000,00
Veoma dugačak naziv artikla za testiranj
test 2 (Ђ)
1.000,00 1 1.000,00
Kratak naziv artikla 1 (Е)
1.960,00 1 1.960,00
Kratak naziv artikla 2 (G)
1.000,00 1 1.000,00
Kratak naziv artikla 3 (A)
1.000,00 1 1.000,00
----------------------------------------
Укупан износ: 8.960,00
Платна картица: 8.960,00
========================================
Ознака Име Стопа Порез
Ђ О-ПДВ 20,00% 500,00
Е О-ПДВ 10,00% 196,00
A О-ПДВ 0,00% 0,00
G О-ПДВ 0,00% 0,00
----------------------------------------
Укупан износ пореза: 696,00
========================================
ПФР време: 07.04.2024. 17:00:30
ПФР број рачуна: QWERTY1U-QWERTY1U-18855
3
Бројач рачуна: 175097/188553ПП
========================================<br><img src="data:image/gif;base64" width="250" height="250">
======== КРАЈ ФИСКАЛНОГ РАЧУНА =========</pre>""",
}
# test with URL
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/vl?")
assert parser.data() == value
# test with HTML content
parser = InvoiceParser(html_text=self.example_response)
assert parser.data() == value