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#!/usr/bin/env python |
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# coding=utf-8 |
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from __future__ import division, print_function, unicode_literals |
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import datetime |
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import hashlib |
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import os |
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import tempfile |
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from copy import copy |
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import pytest |
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import json |
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from sacred.observers.file_storage import FileStorageObserver |
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from sacred.serializer import restore |
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from sacred.metrics_logger import ScalarMetricLogEntry, linearize_metrics |
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T1 = datetime.datetime(1999, 5, 4, 3, 2, 1, 0) |
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T2 = datetime.datetime(1999, 5, 5, 5, 5, 5, 5) |
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@pytest.fixture() |
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def sample_run(): |
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exp = {'name': 'test_exp', 'sources': [], 'doc': '', 'base_dir': '/tmp'} |
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host = {'hostname': 'test_host', 'cpu_count': 1, 'python_version': '3.4'} |
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config = {'config': 'True', 'foo': 'bar', 'answer': 42} |
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command = 'run' |
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meta_info = {'comment': 'test run'} |
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return { |
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'_id': 'FEDCBA9876543210', |
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'ex_info': exp, |
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'command': command, |
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'host_info': host, |
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'start_time': T1, |
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'config': config, |
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'meta_info': meta_info, |
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} |
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@pytest.fixture() |
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def dir_obs(tmpdir): |
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return tmpdir, FileStorageObserver.create(tmpdir.strpath) |
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View Code Duplication |
@pytest.fixture |
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def tmpfile(): |
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# NOTE: instead of using a with block and delete=True we are creating and |
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# manually deleting the file, such that we can close it before running the |
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# tests. This is necessary since on Windows we can not open the same file |
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# twice, so for the FileStorageObserver to read it, we need to close it. |
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f = tempfile.NamedTemporaryFile(suffix='.py', delete=False) |
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f.content = 'import sacred\n' |
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f.write(f.content.encode()) |
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f.flush() |
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f.seek(0) |
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f.md5sum = hashlib.md5(f.read()).hexdigest() |
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f.close() |
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yield f |
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os.remove(f.name) |
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def test_fs_observer_started_event_creates_rundir(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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sample_run['_id'] = None |
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_id = obs.started_event(**sample_run) |
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assert _id is not None |
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run_dir = basedir.join(str(_id)) |
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assert run_dir.exists() |
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assert run_dir.join('cout.txt').exists() |
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config = json.loads(run_dir.join('config.json').read()) |
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assert config == sample_run['config'] |
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run = json.loads(run_dir.join('run.json').read()) |
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assert run == { |
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'experiment': sample_run['ex_info'], |
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'command': sample_run['command'], |
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'host': sample_run['host_info'], |
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'start_time': T1.isoformat(), |
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'heartbeat': None, |
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'meta': sample_run['meta_info'], |
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"resources": [], |
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"artifacts": [], |
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"status": "RUNNING" |
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} |
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def test_fs_observer_started_event_stores_source(dir_obs, sample_run, tmpfile): |
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basedir, obs = dir_obs |
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sample_run['ex_info']['sources'] = [[tmpfile.name, tmpfile.md5sum]] |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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assert run_dir.exists() |
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run = json.loads(run_dir.join('run.json').read()) |
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ex_info = copy(run['experiment']) |
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assert ex_info['sources'][0][0] == tmpfile.name |
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source_path = ex_info['sources'][0][1] |
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source = basedir.join(source_path) |
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assert source.exists() |
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assert source.read() == 'import sacred\n' |
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def test_fs_observer_started_event_uses_given_id(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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assert _id == sample_run['_id'] |
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assert basedir.join(_id).exists() |
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def test_fs_observer_heartbeat_event_updates_run(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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info = {'my_info': [1, 2, 3], 'nr': 7} |
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obs.heartbeat_event(info=info, captured_out='some output', beat_time=T2, |
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result=17) |
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assert run_dir.join('cout.txt').read() == 'some output' |
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run = json.loads(run_dir.join('run.json').read()) |
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assert run['heartbeat'] == T2.isoformat() |
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assert run['result'] == 17 |
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assert run_dir.join('info.json').exists() |
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i = json.loads(run_dir.join('info.json').read()) |
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assert info == i |
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def test_fs_observer_completed_event_updates_run(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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obs.completed_event(stop_time=T2, result=42) |
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run = json.loads(run_dir.join('run.json').read()) |
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assert run['stop_time'] == T2.isoformat() |
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assert run['status'] == 'COMPLETED' |
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assert run['result'] == 42 |
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def test_fs_observer_interrupted_event_updates_run(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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obs.interrupted_event(interrupt_time=T2, status='CUSTOM_INTERRUPTION') |
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run = json.loads(run_dir.join('run.json').read()) |
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assert run['stop_time'] == T2.isoformat() |
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assert run['status'] == 'CUSTOM_INTERRUPTION' |
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def test_fs_observer_failed_event_updates_run(dir_obs, sample_run): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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fail_trace = "lots of errors and\nso\non..." |
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obs.failed_event(fail_time=T2, fail_trace=fail_trace) |
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run = json.loads(run_dir.join('run.json').read()) |
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assert run['stop_time'] == T2.isoformat() |
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assert run['status'] == 'FAILED' |
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assert run['fail_trace'] == fail_trace |
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def test_fs_observer_artifact_event(dir_obs, sample_run, tmpfile): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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obs.artifact_event('my_artifact.py', tmpfile.name) |
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artifact = run_dir.join('my_artifact.py') |
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assert artifact.exists() |
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assert artifact.read() == tmpfile.content |
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run = json.loads(run_dir.join('run.json').read()) |
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assert len(run['artifacts']) == 1 |
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assert run['artifacts'][0] == artifact.relto(run_dir) |
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def test_fs_observer_resource_event(dir_obs, sample_run, tmpfile): |
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basedir, obs = dir_obs |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(_id) |
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obs.resource_event(tmpfile.name) |
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res_dir = basedir.join('_resources') |
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assert res_dir.exists() |
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assert len(res_dir.listdir()) == 1 |
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assert res_dir.listdir()[0].read() == tmpfile.content |
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run = json.loads(run_dir.join('run.json').read()) |
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assert len(run['resources']) == 1 |
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assert run['resources'][0] == [tmpfile.name, res_dir.listdir()[0].strpath] |
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def test_fs_observer_resource_event_does_not_duplicate(dir_obs, sample_run, |
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tmpfile): |
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basedir, obs = dir_obs |
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obs2 = FileStorageObserver.create(obs.basedir) |
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obs.started_event(**sample_run) |
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obs.resource_event(tmpfile.name) |
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# let's have another run from a different observer |
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sample_run['_id'] = None |
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_id = obs2.started_event(**sample_run) |
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run_dir = basedir.join(str(_id)) |
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obs2.resource_event(tmpfile.name) |
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res_dir = basedir.join('_resources') |
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assert res_dir.exists() |
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assert len(res_dir.listdir()) == 1 |
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assert res_dir.listdir()[0].read() == tmpfile.content |
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run = json.loads(run_dir.join('run.json').read()) |
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assert len(run['resources']) == 1 |
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assert run['resources'][0] == [tmpfile.name, res_dir.listdir()[0].strpath] |
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def test_fs_observer_equality(dir_obs): |
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basedir, obs = dir_obs |
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obs2 = FileStorageObserver.create(obs.basedir) |
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assert obs == obs2 |
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assert not obs != obs2 |
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assert not obs == 'foo' |
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assert obs != 'foo' |
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View Code Duplication |
@pytest.fixture |
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def logged_metrics(): |
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return [ |
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ScalarMetricLogEntry("training.loss", 10, datetime.datetime.utcnow(), 1), |
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ScalarMetricLogEntry("training.loss", 20, datetime.datetime.utcnow(), 2), |
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ScalarMetricLogEntry("training.loss", 30, datetime.datetime.utcnow(), 3), |
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ScalarMetricLogEntry("training.accuracy", 10, datetime.datetime.utcnow(), 100), |
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ScalarMetricLogEntry("training.accuracy", 20, datetime.datetime.utcnow(), 200), |
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ScalarMetricLogEntry("training.accuracy", 30, datetime.datetime.utcnow(), 300), |
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ScalarMetricLogEntry("training.loss", 40, datetime.datetime.utcnow(), 10), |
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ScalarMetricLogEntry("training.loss", 50, datetime.datetime.utcnow(), 20), |
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ScalarMetricLogEntry("training.loss", 60, datetime.datetime.utcnow(), 30) |
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] |
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def test_log_metrics(dir_obs, sample_run, logged_metrics): |
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"""Test storing of scalar measurements. |
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Test whether measurements logged using _run.metrics.log_scalar_metric |
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are being stored in the metrics.json file. |
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Metrics are stored as a json with each metric indexed by a name |
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(e.g.: 'training.loss'). Each metric for the given name is then |
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stored as three lists: iteration step(steps), the values logged(values) |
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and the timestamp at which the measurement was taken(timestamps) |
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""" |
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# Start the experiment |
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basedir, obs = dir_obs |
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sample_run['_id'] = None |
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_id = obs.started_event(**sample_run) |
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run_dir = basedir.join(str(_id)) |
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# Initialize the info dictionary and standard output with arbitrary values |
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info = {'my_info': [1, 2, 3], 'nr': 7} |
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outp = 'some output' |
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obs.log_metrics(linearize_metrics(logged_metrics[:6]), info) |
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obs.heartbeat_event(info=info, captured_out=outp, beat_time=T1, |
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result=0) |
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assert run_dir.join('metrics.json').exists() |
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metrics = json.loads(run_dir.join('metrics.json').read()) |
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# Confirm that we have only two metric names registered. |
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# and they have all the information we need. |
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assert len(metrics) == 2 |
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assert "training.loss" in metrics |
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assert "training.accuracy" in metrics |
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for v in ["steps","values","timestamps"]: |
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assert v in metrics["training.loss"] |
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assert v in metrics["training.accuracy"] |
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# Verify they have all the information |
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# we logged in the right order. |
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loss = metrics["training.loss"] |
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assert loss["steps"] == [10, 20, 30] |
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assert loss["values"] == [1, 2, 3] |
|
300
|
|
|
for i in range(len(loss["timestamps"]) - 1): |
|
301
|
|
|
assert loss["timestamps"][i] <= loss["timestamps"][i + 1] |
|
302
|
|
|
|
|
303
|
|
|
accuracy = metrics["training.accuracy"] |
|
304
|
|
|
assert accuracy["steps"] == [10, 20, 30] |
|
305
|
|
|
assert accuracy["values"] == [100, 200, 300] |
|
306
|
|
|
|
|
307
|
|
|
|
|
308
|
|
|
# Now, process the remaining events |
|
309
|
|
|
# The metrics shouldn't be overwritten, but appended instead. |
|
310
|
|
|
obs.log_metrics(linearize_metrics(logged_metrics[6:]), info) |
|
311
|
|
|
obs.heartbeat_event(info=info, captured_out=outp, beat_time=T2, |
|
312
|
|
|
result=0) |
|
313
|
|
|
|
|
314
|
|
|
# Reload the new metrics |
|
315
|
|
|
metrics = json.loads(run_dir.join('metrics.json').read()) |
|
316
|
|
|
|
|
317
|
|
|
# The newly added metrics belong to the same run and have the same names, |
|
318
|
|
|
# so the total number of metrics should not change. |
|
319
|
|
|
assert len(metrics) == 2 |
|
320
|
|
|
|
|
321
|
|
|
assert "training.loss" in metrics |
|
322
|
|
|
loss = metrics["training.loss"] |
|
323
|
|
|
assert loss["steps"] == [10, 20, 30, 40, 50, 60] |
|
324
|
|
|
assert loss["values"] == [1, 2, 3, 10, 20, 30] |
|
325
|
|
|
for i in range(len(loss["timestamps"]) - 1): |
|
326
|
|
|
assert loss["timestamps"][i] <= loss["timestamps"][i + 1] |
|
327
|
|
|
|
|
328
|
|
|
|
|
329
|
|
|
# Read the training.accuracy metric and verify it's unchanged |
|
330
|
|
|
assert "training.accuracy" in metrics |
|
331
|
|
|
accuracy = metrics["training.accuracy"] |
|
332
|
|
|
assert accuracy["steps"] == [10, 20, 30] |
|
333
|
|
|
assert accuracy["values"] == [100, 200, 300] |
|
334
|
|
|
|