146 lines
6.1 KiB
Python
146 lines
6.1 KiB
Python
"""Tests for dashboard.views."""
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from unittest.mock import patch, MagicMock
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from django.test import TestCase, RequestFactory
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from django.core.cache import cache
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from dashboard.views import index, collect_context
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def _minimal_render_context(region_name="test", first_flavor_name="f1", vm_count=1):
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"""Context with all keys the index.html template expects."""
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return {
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"region": {"name": region_name, "hosts_total": 1},
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"pcpu": {"total": 1, "usage": 0, "free": 1, "used_percentage": 0},
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"vcpu": {"total": 2, "allocated": 1, "free": 1, "allocated_percentage": 50, "overcommit_ratio": 1, "overcommit_max": 2},
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"pram": {"total": 1024**3, "usage": 0, "free": 1024**3, "used_percentage": 0},
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"vram": {"total": 1024**3, "allocated": 0, "free": 1024**3, "allocated_percentage": 0, "overcommit_ratio": 0, "overcommit_max": 1},
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"vm": {"count": vm_count, "active": vm_count, "stopped": 0, "avg_cpu": 1, "avg_ram": 0, "density": float(vm_count)},
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"flavors": {
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"first_common_flavor": {"name": first_flavor_name, "count": vm_count},
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"second_common_flavor": {"name": "—", "count": 0},
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"third_common_flavor": {"name": "—", "count": 0},
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},
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"audits": [],
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}
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class IndexViewTest(TestCase):
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"""Tests for the index view."""
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def setUp(self):
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self.factory = RequestFactory()
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@patch("dashboard.views.settings")
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def test_index_use_mock_data_returns_200_and_mock_context(self, mock_settings):
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mock_settings.USE_MOCK_DATA = True
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mock_settings.DASHBOARD_CACHE_TTL = 120
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request = self.factory.get("/")
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response = index(request)
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self.assertEqual(response.status_code, 200)
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# Mock context contains mock-region and flavors; render uses index.html
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content = response.content.decode()
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self.assertIn("mock-region", content)
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self.assertIn("m1.small", content)
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@patch("dashboard.views.collect_context")
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@patch("dashboard.views.get_mock_context")
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@patch("dashboard.views.settings")
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def test_index_with_real_path_uses_cache_and_collect_context(
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self, mock_settings, mock_get_mock_context, mock_collect_context
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):
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mock_settings.USE_MOCK_DATA = False
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mock_settings.DASHBOARD_CACHE_TTL = 120
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mock_collect_context.return_value = _minimal_render_context(
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region_name="cached-region", first_flavor_name="f1"
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)
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cache.clear()
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request = self.factory.get("/")
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with patch.object(cache, "get", return_value=None):
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with patch.object(cache, "set") as mock_cache_set:
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response = index(request)
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self.assertEqual(response.status_code, 200)
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mock_collect_context.assert_called_once()
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mock_cache_set.assert_called_once()
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mock_get_mock_context.assert_not_called()
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content = response.content.decode()
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self.assertIn("cached-region", content)
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self.assertIn("f1", content)
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@patch("dashboard.views.collect_context")
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@patch("dashboard.views.settings")
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def test_index_with_cache_hit_does_not_call_collect_context(
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self, mock_settings, mock_collect_context
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):
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mock_settings.USE_MOCK_DATA = False
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mock_settings.DASHBOARD_CACHE_TTL = 120
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cached = _minimal_render_context(region_name="from-cache", first_flavor_name="cached-flavor", vm_count=2)
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cache.clear()
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cache.set("dashboard_context", cached, timeout=120)
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request = self.factory.get("/")
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response = index(request)
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self.assertEqual(response.status_code, 200)
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mock_collect_context.assert_not_called()
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content = response.content.decode()
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self.assertIn("from-cache", content)
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class CollectContextTest(TestCase):
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"""Tests for collect_context with mocked dependencies."""
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def _make_mock_connection(self, region_name="test-region"):
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conn = MagicMock()
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conn._compute_region = region_name
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return conn
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@patch("dashboard.views._fetch_prometheus_metrics")
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@patch("dashboard.views.get_audits")
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@patch("dashboard.views.get_flavor_list")
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@patch("dashboard.views.get_connection")
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def test_collect_context_structure_and_calculation(
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self, mock_get_connection, mock_get_flavor_list, mock_get_audits, mock_fetch_metrics
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):
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mock_get_connection.return_value = self._make_mock_connection("my-region")
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mock_get_flavor_list.return_value = {
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"first_common_flavor": {"name": "m1.small", "count": 5},
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"second_common_flavor": {"name": "—", "count": 0},
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"third_common_flavor": {"name": "—", "count": 0},
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}
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mock_get_audits.return_value = [
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{
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"migrations": [],
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"host_labels": ["h0", "h1"],
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"cpu_current": [30.0, 40.0],
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"cpu_projected": [35.0, 35.0],
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}
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]
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mock_fetch_metrics.return_value = {
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"hosts_total": 2,
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"pcpu_total": 8,
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"pcpu_usage": 2.5,
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"vcpu_allocated": 16,
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"vcpu_overcommit_max": 2.0,
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"pram_total": 32 * 1024**3,
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"pram_usage": 8 * 1024**3,
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"vram_allocated": 24 * 1024**3,
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"vram_overcommit_max": 1.5,
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"vm_count": 4,
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"vm_active": 4,
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}
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context = collect_context()
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self.assertEqual(context["region"]["name"], "my-region")
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self.assertEqual(context["region"]["hosts_total"], 2)
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self.assertEqual(context["pcpu"]["total"], 8)
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self.assertEqual(context["pcpu"]["usage"], 2.5)
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self.assertEqual(context["vcpu"]["total"], 8 * 2.0) # pcpu_total * vcpu_overcommit_max
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self.assertEqual(context["vcpu"]["allocated"], 16)
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self.assertEqual(context["vram"]["total"], 32 * 1024**3 * 1.5)
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self.assertEqual(context["flavors"]["first_common_flavor"]["name"], "m1.small")
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self.assertEqual(len(context["audits"]), 1)
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# Serialized for JS
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import json
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self.assertIsInstance(context["audits"][0]["migrations"], str)
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self.assertEqual(json.loads(context["audits"][0]["host_labels"]), ["h0", "h1"])
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