Merge pull request #98 from ajschofield/test/transform-helper-functions

pr: refactored facts transformation functions and one test for it

1 files changed, 287 insertions, 0 deletions

diff --git a/tests/test_dataframes.py b/tests/test_dataframes.py
new file mode 100644
index 0000000..584ab27
--- /dev/null
+++ b/tests/test_dataframes.py
@@ -0,0 +1,287 @@
+from src.dataframes import *
+import pandas as pd
+from unittest.mock import patch
+from datetime import datetime as dt
+
+
+class TestCreateDimDesign:
+    def test_dim_design_returns_dataframe(self):
+        d = {
+            "test": ["Hello", "Bye"],
+            "design_id": ["Hello", "Bye"],
+            "design_name": ["Hello", "Bye"],
+            "file_name": ["Hello", "Bye"],
+            "file_location": ["Hello", "Bye"],
+            "Hello": ["Hello", "Bye"],
+        }
+        test_df = {"design": pd.DataFrame(data=d)}
+        result = create_dim_design(test_df)
+        assert isinstance(result, pd.DataFrame)
+
+    def test_dim_design_returns_correct_columns_and_values(self):
+        d = {
+            "test": ["Hello", "Bye"],
+            "design_id": ["Hello", "Bye"],
+            "design_name": ["Hello", "Bye"],
+            "file_name": ["Hello", "Bye"],
+            "file_location": ["Hello", "Bye"],
+            "Hello": ["Hello", "Bye"],
+        }
+        test_df = {"design": pd.DataFrame(data=d)}
+        result = create_dim_design(test_df)
+        d2 = {
+            "design_id": ["Hello", "Bye"],
+            "design_name": ["Hello", "Bye"],
+            "file_name": ["Hello", "Bye"],
+            "file_location": ["Hello", "Bye"],
+        }
+        expected_df = pd.DataFrame(data=d2)
+        expected_result = expected_df.copy()
+        assert result.equals(expected_result)
+
+
+class TestCreateDimStaff:
+    def test_dim_staff_returns_dataframe(self):
+        d = {
+            "staff_id": ["Hello", "Bye"],
+            "first_name": ["Hello", "Bye"],
+            "last_name": ["Hello", "Bye"],
+            "department_id": ["Hello", "Bye"],
+        }
+        d2 = {
+            "department_name": ["Hello", "Bye"],
+            "location": ["Hello", "Bye"],
+            "email_address": ["Hello", "Bye"],
+            "department_id": ["Hello", "Bye"],
+        }
+        test_df = {"staff": pd.DataFrame(data=d), "department": pd.DataFrame(data=d2)}
+        result = create_dim_staff(test_df)
+        assert isinstance(result, pd.DataFrame)
+
+    def test_dim_staff_returns_correct_columns_and_values(self):
+        d = {
+            "staff_id": ["Hello", "Bye"],
+            "first_name": ["Hello", "Bye"],
+            "last_name": ["Hello", "Bye"],
+            "department_id": ["Hello", "Bye"],
+        }
+        d2 = {
+            "department_name": ["Hello", "Bye"],
+            "location": ["Hello", "Bye"],
+            "email_address": ["Hello", "Bye"],
+            "department_id": ["Hello", "Bye"],
+        }
+        test_df = {"staff": pd.DataFrame(data=d), "department": pd.DataFrame(data=d2)}
+        result = create_dim_staff(test_df)
+        expected_d = {
+            "staff_id": ["Hello", "Bye"],
+            "first_name": ["Hello", "Bye"],
+            "last_name": ["Hello", "Bye"],
+            "department_name": ["Hello", "Bye"],
+            "location": ["Hello", "Bye"],
+            "email_address": ["Hello", "Bye"],
+        }
+        expected_df = pd.DataFrame(data=expected_d)
+        expected_result = expected_df.copy()
+        assert result.equals(expected_result)
+
+
+class TestCreatePaymentType:
+    def test_create_dim_payment_type_returns_correct_columns_and_values(self):
+        d = {"payment_type_id": ["Hello", "Bye"], "payment_type_name": ["Hello", "Bye"]}
+        test_df = {"payment_type": pd.DataFrame(data=d)}
+        result = create_dim_payment_type(test_df)
+        expected_columns = ["payment_type_id", "payment_type_name"]
+        expected_d = {
+            "payment_type_id": ["Hello", "Bye"],
+            "payment_type_name": ["Hello", "Bye"],
+        }
+        expected_df = pd.DataFrame(data=expected_d)
+        assert isinstance(result, pd.DataFrame)
+        assert list(result.columns) == expected_columns
+        assert result.equals(expected_df)
+
+
+class TestCreateDimCounterparty:
+    def test_create_dim_counterparty_type_returns_correct_columns_and_object(self):
+        data_l = pd.DataFrame(
+            data={
+                "counterparty_id": ["Hello", "Bye"],
+                "counterparty_legal_name": ["Hello", "Bye"],
+                "commercial_contact": ["Hello", "Bye"],
+                "legal_address_id": ["bond street", "regent street"],
+            }
+        )
+        data_a = pd.DataFrame(
+            data={
+                "address_id": ["bond street", "regent street"],
+                "postcode": [98365, 93753],
+            }
+        )
+        test_df = {"address": data_a, "counterparty": data_l}
+        result = create_dim_counterparty(test_df)
+
+        expected_columns = [
+            "counterparty_id",
+            "counterparty_legal_name",
+            "commercial_contact",
+            "counterparty_legal_postcode",
+        ]
+        print(data_l)
+        print(data_a)
+        assert isinstance(result, pd.DataFrame)
+        assert list(result.columns) == expected_columns
+
+
+class TestCreateDimCurrency:
+    def test_dim_currency_returns_columns_and_values(self):
+        nones = [None, None, None]
+        d = {
+            "currency_id": [1, 2, 3],
+            "currency_code": ["USD", "EUR", "GBP"],
+            "created_at": nones,
+            "last_updated": nones,
+        }
+        test_df = {"currency": pd.DataFrame(data=d)}
+        scraper_output = pd.DataFrame(
+            {
+                "currency_code": ["RUS", "USD", "PHP", "GBP", "EUR"],
+                "currency_name": ["Rubble", "US Dollar", "Peso", "Pound", "Euro"],
+            }
+        )
+        result = create_dim_currency(test_df, names=scraper_output).sort_values(
+            by="currency_code", axis=0
+        )
+        expected_d = {
+            "currency_id": [1, 2, 3],
+            "currency_code": ["USD", "EUR", "GBP"],
+            "currency_name": ["US Dollar", "Euro", "Pound"],
+        }
+        expected_df = pd.DataFrame(data=expected_d).sort_values(
+            by="currency_code", axis=0
+        )
+        assert isinstance(result, pd.DataFrame)
+        assert result.equals(expected_df)
+
+    def test_scrape_currency_names_returns_dataframe_with_correct_collumns(self):
+        result = scrape_currency_names()
+        assert isinstance(result, pd.DataFrame)
+        assert list(result.columns) == ["currency_code", "currency_name"]
+
+
+class TestCreateDimDate:
+    def test_returns_required_columns(self):
+        df_one = pd.DataFrame(
+            data={
+                "updated_date": dt(2020, 5, 17),
+                "created_date": dt(2021, 5, 13),
+                "not_dat": None,
+            },
+            index=[0],
+        )
+        df_two = pd.DataFrame(
+            data={"updated_date": dt(2020, 5, 17), "created_date": dt(2021, 9, 13)},
+            index=[0],
+        )
+        df_three = pd.DataFrame(
+            data={"updated_date": dt(2022, 5, 17), "created_date": dt(2023, 5, 13)},
+            index=[0],
+        )
+        expected_df = pd.DataFrame(
+            data=[
+                [dt(2020, 5, 17), 2020, 5, 17, 6, "Sunday", "May", 2],
+                [dt(2021, 5, 13), 2021, 5, 13, 3, "Thursday", "May", 2],
+                [dt(2021, 9, 13), 2021, 9, 13, 0, "Monday", "September", 3],
+                [dt(2022, 5, 17), 2022, 5, 17, 1, "Tuesday", "May", 2],
+                [dt(2023, 5, 13), 2023, 5, 13, 5, "Saturday", "May", 2],
+            ],
+            columns=[
+                "date_id",
+                "year",
+                "month",
+                "day",
+                "day_of_week",
+                "day_name",
+                "month_name",
+                "quarter",
+            ],
+        )
+        with patch("src.dataframes.create_fact_payment") as mock_fp:
+            with patch("src.dataframes.create_fact_purchase_orders") as mock_fpo:
+                with patch("src.dataframes.create_fact_sales_order") as mock_fso:
+                    mock_fp.return_value = df_one
+                    mock_fpo.return_value = df_two
+                    mock_fso.return_value = df_three
+                    result = create_dim_date({"dum": 0})
+                    result.reset_index(inplace=True, drop=True)
+                    assert result.eq(expected_df, axis="columns").all(axis=None)
+
+
+class TestCreateDimLocation:
+    def test_returns_correct_columns_lo(self):
+        dict_df = {
+            "address": pd.DataFrame(
+                data=[["some_time", "some_other_time", 1, "SE18 9QO"]],
+                columns=["created_at", "last_updated", "address_id", "postal_code"],
+            )
+        }
+        result = create_dim_location(dict_df)
+        assert list(result.columns) == ["location_id", "postal_code"]
+
+
+class TestCreateDimTransaction:
+    def test_returns_correct_columns_tr(self):
+        dict_df = {
+            "transaction": pd.DataFrame(
+                data=[["some_time", "some_other_time", 1, "SE18 9QO"]],
+                columns=[
+                    "created_at",
+                    "last_updated",
+                    "transaction_id",
+                    "some_other_id",
+                ],
+            )
+        }
+        result = create_dim_transaction(dict_df)
+        assert list(result.columns) == ["transaction_id", "some_other_id"]
+
+
+class TestCreateFactPayment:
+    def test_returns_correct_columns_payment(self):
+        dict_df = {
+            "payment": pd.DataFrame(
+                data=[
+                    [
+                        dt(2020, 5, 17, 6, 15, 20),
+                        dt(2020, 5, 20, 8, 19, 30),
+                        1,
+                        "SE18 9QO",
+                        "2020-7-16",
+                    ]
+                ],
+                columns=[
+                    "created_at",
+                    "last_updated",
+                    "payment_id",
+                    "some_other_id",
+                    "payment_date",
+                ],
+            )
+        }
+        expected_cols = [
+            "payment_record_id",
+            "created_date",
+            "created_time",
+            "last_updated_date",
+            "last_updated_time",
+            "payment_date",
+            "payment_id",
+            "some_other_id",
+        ]
+        result = create_fact_payment(dict_df)
+        assert isinstance(result, pd.DataFrame)
+        for col in list(result.columns):
+            assert col in expected_cols
+        for col in expected_cols:
+            if "date" in col:
+                assert result[col].dtype == "datetime64[ns]"