test(5-03-07): add comprehensive export tests for CSV/Excel generation and endpoint authorization
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304
backend/tests/test_exports.py
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304
backend/tests/test_exports.py
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"""
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Tests for export service and export endpoints.
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"""
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import pytest
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import io
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import csv
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from datetime import datetime
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from unittest.mock import MagicMock, patch
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from openpyxl import load_workbook
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from backend.services.export_service import (
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InventorySnapshotExporter,
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AuditTrailExporter,
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get_export_filename,
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)
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from backend.models import Item, AuditLog, User
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class TestInventorySnapshotExporter:
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"""Tests for inventory snapshot export functionality."""
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@pytest.fixture
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def sample_items(self):
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"""Create sample items for testing."""
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items = []
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for i in range(3):
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item = MagicMock(spec=Item)
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item.id = i + 1
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item.name = f"Item {i + 1}"
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item.part_number = f"PN{i + 1}"
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item.barcode = f"BC{i + 1}"
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item.category = "Electronics"
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item.type = "Component"
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item.quantity = float(10 + i)
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item.min_quantity = 1.0
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item.description = f"Description {i + 1}"
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item.color = "Blue"
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item.size = "Medium"
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item.connector = "USB"
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item.box_label = f"BOX{i + 1}"
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item.created_at = datetime(2026, 4, 22, 10, 0, 0)
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item.updated_at = datetime(2026, 4, 22, 15, 0, 0)
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items.append(item)
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return items
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def test_csv_export_basic(self, sample_items):
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"""Test CSV export with sample items."""
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csv_content = InventorySnapshotExporter.to_csv(sample_items, "2026-04-22")
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# Verify CSV is not empty
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assert csv_content
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assert "Item 1" in csv_content
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assert "PN1" in csv_content
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# Parse CSV and verify structure
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reader = csv.DictReader(io.StringIO(csv_content))
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rows = list(reader)
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assert len(rows) == 3
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assert rows[0]["Name"] == "Item 1"
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assert rows[0]["Part Number"] == "PN1"
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def test_csv_export_headers(self, sample_items):
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"""Test CSV export contains all expected headers."""
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csv_content = InventorySnapshotExporter.to_csv(sample_items, "2026-04-22")
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expected_headers = [
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"ID", "Name", "Part Number", "Barcode", "Category",
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"Type", "Quantity", "Min Quantity", "Description",
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"Color", "Size", "Connector", "Box Label", "Created", "Modified"
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]
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reader = csv.DictReader(io.StringIO(csv_content))
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assert list(reader.fieldnames) == expected_headers
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def test_csv_export_empty(self):
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"""Test CSV export with empty item list."""
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csv_content = InventorySnapshotExporter.to_csv([], "2026-04-22")
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# Should still have headers
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assert "ID" in csv_content
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assert "Name" in csv_content
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def test_excel_export_basic(self, sample_items):
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"""Test Excel export with sample items."""
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excel_content = InventorySnapshotExporter.to_excel(sample_items, "2026-04-22")
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# Verify it's bytes
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assert isinstance(excel_content, bytes)
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assert len(excel_content) > 0
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# Load and verify Excel structure
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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assert ws.title == "Inventory Snapshot"
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assert ws["A1"].value == "Inventory Snapshot - 2026-04-22"
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def test_excel_export_headers(self, sample_items):
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"""Test Excel export contains all headers."""
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excel_content = InventorySnapshotExporter.to_excel(sample_items, "2026-04-22")
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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# Headers are in row 2 (row 1 is title)
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headers = [cell.value for cell in ws[2]]
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expected_headers = [
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"ID", "Name", "Part Number", "Barcode", "Category",
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"Type", "Quantity", "Min Quantity", "Description",
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"Color", "Size", "Connector", "Box Label", "Created", "Modified"
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]
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assert headers == expected_headers
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def test_excel_export_data(self, sample_items):
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"""Test Excel export contains correct data."""
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excel_content = InventorySnapshotExporter.to_excel(sample_items, "2026-04-22")
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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# Data starts at row 3 (row 1 = title, row 2 = headers)
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first_data_row = list(ws[3])
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assert first_data_row[0].value == 1 # ID
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assert first_data_row[1].value == "Item 1" # Name
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def test_excel_export_empty(self):
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"""Test Excel export with empty item list."""
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excel_content = InventorySnapshotExporter.to_excel([], "2026-04-22")
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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# Should have title and headers
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assert ws["A1"].value == "Inventory Snapshot - 2026-04-22"
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assert ws["A2"].value == "ID"
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class TestAuditTrailExporter:
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"""Tests for audit trail export functionality."""
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@pytest.fixture
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def sample_logs(self):
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"""Create sample audit logs for testing."""
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logs = []
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for i in range(3):
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user = MagicMock(spec=User)
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user.username = f"user{i + 1}"
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log = MagicMock(spec=AuditLog)
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log.id = i + 1
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log.timestamp = datetime(2026, 4, 22, 10 + i, 0, 0)
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log.user = user
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log.action = "CHECK_IN" if i % 2 == 0 else "CHECK_OUT"
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log.target_item_id = i + 100
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log.target_item_name = f"Item {i + 1}"
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log.target_item_pn = f"PN{i + 1}"
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log.target_item_barcode = f"BC{i + 1}"
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log.quantity_change = float(i + 1)
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log.details = f"Action details {i + 1}"
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logs.append(log)
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return logs
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def test_csv_export_basic(self, sample_logs):
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"""Test audit trail CSV export with sample logs."""
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csv_content = AuditTrailExporter.to_csv(sample_logs, "2026-04-22")
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# Verify CSV is not empty
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assert csv_content
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assert "CHECK_IN" in csv_content or "CHECK_OUT" in csv_content
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# Parse CSV and verify structure
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reader = csv.DictReader(io.StringIO(csv_content))
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rows = list(reader)
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assert len(rows) == 3
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def test_csv_export_headers(self, sample_logs):
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"""Test audit trail CSV export headers."""
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csv_content = AuditTrailExporter.to_csv(sample_logs, "2026-04-22")
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expected_headers = [
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"ID", "Timestamp", "User", "Action", "Item ID",
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"Item Name", "Item Part Number", "Item Barcode",
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"Quantity Change", "Details"
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]
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reader = csv.DictReader(io.StringIO(csv_content))
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assert list(reader.fieldnames) == expected_headers
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def test_excel_export_basic(self, sample_logs):
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"""Test audit trail Excel export."""
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excel_content = AuditTrailExporter.to_excel(sample_logs, "2026-04-22")
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assert isinstance(excel_content, bytes)
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assert len(excel_content) > 0
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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assert ws.title == "Audit Trail"
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assert "Audit Trail - 2026-04-22" in ws["A1"].value
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def test_excel_export_data(self, sample_logs):
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"""Test audit trail Excel export contains correct data."""
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excel_content = AuditTrailExporter.to_excel(sample_logs, "2026-04-22")
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wb = load_workbook(io.BytesIO(excel_content))
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ws = wb.active
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# Data starts at row 3
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first_data_row = list(ws[3])
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assert first_data_row[0].value == 1 # ID
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assert "user1" in str(first_data_row[2].value) or first_data_row[2].value == "user1" # User
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class TestFilenameGeneration:
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"""Tests for export filename generation."""
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def test_csv_filename(self):
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"""Test CSV filename generation."""
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filename = get_export_filename("inventory_snapshot", "csv", "2026-04-22")
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assert filename == "inventory_snapshot_2026-04-22.csv"
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def test_xlsx_filename(self):
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"""Test Excel filename generation."""
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filename = get_export_filename("audit_trail", "xlsx", "2026-04-22")
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assert filename == "audit_trail_2026-04-22.xlsx"
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def test_filename_with_different_dates(self):
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"""Test filename with different date formats."""
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filename = get_export_filename("inventory_snapshot", "csv", "2026-01-15")
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assert "2026-01-15" in filename
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class TestExportEndpoints:
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"""Tests for export API endpoints."""
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@pytest.mark.asyncio
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async def test_export_inventory_snapshot_csv(self, client, admin_user, db):
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"""Test inventory snapshot CSV export endpoint."""
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response = client.post(
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"/api/admin/exports/inventory-snapshot?format=csv",
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headers={"Authorization": f"Bearer {admin_user.token}"}
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)
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assert response.status_code == 200
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assert "text/csv" in response.headers.get("content-type", "")
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assert "inventory_snapshot" in response.headers.get("content-disposition", "")
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@pytest.mark.asyncio
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async def test_export_inventory_snapshot_xlsx(self, client, admin_user, db):
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"""Test inventory snapshot Excel export endpoint."""
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response = client.post(
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"/api/admin/exports/inventory-snapshot?format=xlsx",
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headers={"Authorization": f"Bearer {admin_user.token}"}
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)
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assert response.status_code == 200
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assert "spreadsheetml" in response.headers.get("content-type", "")
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@pytest.mark.asyncio
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async def test_export_audit_trail_csv(self, client, admin_user, db):
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"""Test audit trail CSV export endpoint."""
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response = client.post(
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"/api/admin/exports/audit-trail?format=csv",
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headers={"Authorization": f"Bearer {admin_user.token}"}
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)
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assert response.status_code == 200
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assert "text/csv" in response.headers.get("content-type", "")
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assert "audit_trail" in response.headers.get("content-disposition", "")
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@pytest.mark.asyncio
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async def test_export_audit_trail_xlsx(self, client, admin_user, db):
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"""Test audit trail Excel export endpoint."""
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response = client.post(
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"/api/admin/exports/audit-trail?format=xlsx",
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headers={"Authorization": f"Bearer {admin_user.token}"}
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)
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assert response.status_code == 200
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assert "spreadsheetml" in response.headers.get("content-type", "")
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@pytest.mark.asyncio
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async def test_export_invalid_format(self, client, admin_user, db):
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"""Test export with invalid format parameter."""
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response = client.post(
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"/api/admin/exports/inventory-snapshot?format=pdf",
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headers={"Authorization": f"Bearer {admin_user.token}"}
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)
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assert response.status_code == 400
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assert "Invalid format" in response.json().get("detail", "")
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@pytest.mark.asyncio
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async def test_export_unauthorized(self, client, db):
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"""Test export endpoint without authorization."""
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response = client.post("/api/admin/exports/inventory-snapshot?format=csv")
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assert response.status_code == 403
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@pytest.mark.asyncio
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async def test_export_non_admin(self, client, regular_user, db):
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"""Test export endpoint with non-admin user."""
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response = client.post(
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"/api/admin/exports/inventory-snapshot?format=csv",
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headers={"Authorization": f"Bearer {regular_user.token}"}
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)
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assert response.status_code == 403
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