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api/tests/unit/conftest.py

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+import pytest
+import faker
+import os
+import tempfile
+
+
+from app.main import app as flask_app
+
+
+@pytest.fixture
+def fake():
+    return faker.Faker()
+
+
+@pytest.fixture
+def client():
+    flask_app.config['TESTING'] = True
+
+    with flask_app.test_client() as client:
+        yield client
+
+
+@pytest.fixture
+def lastfm_response():
+    return {
+        "recenttracks": {
+            "@attr": {
+                "page": "1",
+                "perPage": "1",
+                "total": "229279",
+                "totalPages": "229279",
+                "user": "biahll"
+            },
+            "track": [
+                {
+                    "@attr": {
+                        "nowplaying": "true"
+                    },
+                    "album": {
+                        "#text": "My My My!",
+                        "mbid": ""
+                    },
+                    "artist": {
+                        "#text": "Mother's Daughter",
+                        "mbid": ""
+                    },
+                    "image": [
+                        {
+                            "#text": "https: //lastfm.freetls.fastly.net/i/u/34s/2a96cbd8b46e442fc41c2b86b821562f.png",
+                            "size": "small"
+                        },
+                        {
+                            "#text": "https: //lastfm.freetls.fastly.net/i/u/64s/2a96cbd8b46e442fc41c2b86b821562f.png",
+                            "size": "medium"
+                        },
+                        {
+                            "#text": "https://lastfm.freetls.fastly.net/i/u/174s/2a96cbd8b46e442fc41c2b86b821562f.png",
+                            "size": "large"
+                        },
+                        {
+                            "#text": "https: //lastfm.freetls.fastly.net/i/u/300x300/2a96cbd8b46e442fc41c2b86b821562f.png",
+                            "size": "extralarge"
+                        }
+                    ],
+                    "mbid": "",
+                    "name": "My My My!",
+                    "streamable": "0",
+                    "url": "https: //www.last.fm/music/Mother%27s+Daughter/_/My+My+My!"
+                },
+                {
+                    "album": {
+                        "#text": "Glory Days (Japan Edition)",
+                        "mbid": ""
+                    },
+                    "artist": {
+                        "#text": "Little Mix",
+                        "mbid": "38f59974-2f4d-4bfa-b2e3-d2696de1b675"
+                    },
+                    "date": {
+                        "#text": "16 Jul 2020,        22: 30",
+                        "uts": "1594938632"
+                    },
+                    "image": [
+                        {
+                            "#text": "https: //lastfm.freetls.fastly.net/i/u/34s/9e824c0b80bbf5c24807f22d081566c4.jpg",
+                            "size": "small"
+                        },
+                        {
+                            "#text": "https://lastfm.freetls.fastly.net/i/u/64s/9e824c0b80bbf5c24807f22d081566c4.jpg",
+                            "size": "medium"
+                        },
+                        {
+                            "#text": "https://lastfm.freetls.fastly.net/i/u/174s/9e824c0b80bbf5c24807f22d081566c4.jpg",
+                            "size": "large"
+                        },
+                        {
+                            "#text": "https: //lastfm.freetls.fastly.net/i/u/300x300/9e824c0b80bbf5c24807f22d081566c4.jpg",
+                            "size": "extralarge"
+                        }
+                    ],
+                    "mbid": "02930d7b-3e67-41c5-9d6e-ad593228d441",
+                    "name": "Shout Out to My Ex",
+                    "streamable": "0",
+                    "url": "https://www.last.fm/music/Little+Mix/_/Shout+Out+to+My+Ex"
+                }
+            ]
+        }
+    }
+
+@pytest.fixture
+def lastfm_empty_response():
+    return {
+        "recenttracks": {
+            "@attr": {
+                "page": "1",
+                "perPage": "1",
+                "total": "1",
+                "totalPages": "1",
+                "user": "biahll"
+            },
+            "track": []
+        }
+    }
+
+@pytest.fixture
+def lastfm_no_recent_tracks_response():
+    return {}

api/tests/unit/healthcheck/test_healthcheck.py

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+import os
+
+from unittest.mock import patch
+
+
+def test_get_healthcheck(client):
+    rv = client.get('/')
+    assert rv.status_code == 200

api/tests/unit/songs/test_latest_songs.py

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+import os
+
+from unittest.mock import patch
+
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": ''})
+def test_without_api_key(client):
+    rv = client.get('/user/latest-song')
+    assert rv.json['message'] == 'INTERNAL_ERROR'
+    assert rv.status_code == 500
+
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": 'something new'})
+@patch('requests.get', side_effect=[Exception()])
+def test_get_with_exception(requests, client):
+    rv = client.get('/user/latest-song')
+    assert rv.json['message'] == 'INTERNAL_ERROR'
+    assert rv.status_code == 500
+
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": 'something old'})
+@patch('requests.get')
+def test_get_with_success(mock_get, client, lastfm_response):
+    mock_get.return_value.status_code = 500
+    mock_get.return_value.json.return_value = lastfm_response
+    rv = client.get('/user/latest-song')
+    assert rv.json == {'track': lastfm_response['recenttracks']['track'][0]}
+    assert rv.status_code == mock_get.return_value.status_code
+
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": 'something old'})
+@patch('requests.get')
+def test_get_with_success_and_different_format(mock_get, client, lastfm_response):
+    mock_get.return_value.status_code = 200
+    mock_get.return_value.json.return_value = lastfm_response
+    rv = client.get('/user/latest-song?format=shields.io')
+    song = lastfm_response['recenttracks']['track'][0]['name'] 
+    artist = lastfm_response['recenttracks']['track'][0]['artist']['#text'] 
+    
+    assert rv.json == {
+        'schemaVersion': 1,
+        'label': 'Last.FM Last Played Song',
+        'message': f"{song} - {artist}"
+    }
+    assert rv.status_code == mock_get.return_value.status_code
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": 'something old'})
+@patch('requests.get')
+def test_get_with_success_no_tracks(mock_get, client, lastfm_empty_response):
+    mock_get.return_value.status_code = 200
+    mock_get.return_value.json.return_value = lastfm_empty_response
+    rv = client.get('/user/latest-song')
+
+    assert rv.status_code == 200
+    assert rv.json == {
+        'message': 'NO_TRACKS_FOUND'
+    }
+
+@patch.dict(os.environ, {"LASTFM_API_KEY": 'something old'})
+@patch('requests.get')
+def test_get_with_error_user_not_found_tracks(mock_get, client, lastfm_no_recent_tracks_response):
+    mock_get.return_value.status_code = 200
+    mock_get.return_value.json.return_value = lastfm_no_recent_tracks_response
+    rv = client.get('/user/latest-song')
+
+    assert rv.status_code == 404
+    assert rv.json == {
+        'message': 'USER_LIKELY_DOESNT_EXIST'
+    }