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test_wandb_sweep.py
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test_wandb_sweep.py
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"""Sweep tests."""
from typing import Any, Dict, List
import pytest
import wandb
# Sweep configs used for testing
SWEEP_CONFIG_GRID: Dict[str, Any] = {
"name": "mock-sweep-grid",
"method": "grid",
"parameters": {"param1": {"values": [1, 2, 3]}},
}
SWEEP_CONFIG_GRID_HYPERBAND: Dict[str, Any] = {
"name": "mock-sweep-grid-hyperband",
"method": "grid",
"early_terminate": {
"type": "hyperband",
"max_iter": 27,
"s": 2,
"eta": 3,
},
"metric": {"name": "metric1", "goal": "maximize"},
"parameters": {"param1": {"values": [1, 2, 3]}},
}
SWEEP_CONFIG_GRID_NESTED: Dict[str, Any] = {
"name": "mock-sweep-grid",
"method": "grid",
"parameters": {
"param1": {"values": [1, 2, 3]},
"param2": {
"parameters": {
"param3": {"values": [1, 2, 3]},
"param4": {"value": 1},
}
},
},
}
SWEEP_CONFIG_BAYES: Dict[str, Any] = {
"name": "mock-sweep-bayes",
"method": "bayes",
"metric": {"name": "metric1", "goal": "maximize"},
"parameters": {"param1": {"values": [1, 2, 3]}},
}
SWEEP_CONFIG_BAYES_PROBABILITIES: Dict[str, Any] = {
"name": "mock-sweep-bayes",
"method": "bayes",
"metric": {"name": "metric1", "goal": "maximize"},
"parameters": {
"param1": {"values": [1, 2, 3]},
"param2": {"values": [1, 2, 3], "probabilities": [0.1, 0.2, 0.1]},
},
}
SWEEP_CONFIG_BAYES_DISTRIBUTION: Dict[str, Any] = {
"name": "mock-sweep-bayes",
"method": "bayes",
"metric": {"name": "metric1", "goal": "maximize"},
"parameters": {
"param1": {"distribution": "normal", "mu": 100, "sigma": 10},
},
}
SWEEP_CONFIG_BAYES_DISTRIBUTION_NESTED: Dict[str, Any] = {
"name": "mock-sweep-bayes",
"method": "bayes",
"metric": {"name": "metric1", "goal": "maximize"},
"parameters": {
"param1": {"values": [1, 2, 3]},
"param2": {
"parameters": {
"param3": {"distribution": "q_uniform", "min": 0, "max": 256, "q": 1}
},
},
},
}
SWEEP_CONFIG_BAYES_TARGET: Dict[str, Any] = {
"name": "mock-sweep-bayes",
"method": "bayes",
"metric": {"name": "metric1", "goal": "maximize", "target": 0.99},
"parameters": {
"param1": {"distribution": "normal", "mu": 100, "sigma": 10},
},
}
SWEEP_CONFIG_RANDOM: Dict[str, Any] = {
"name": "mock-sweep-random",
"method": "random",
"parameters": {"param1": {"values": [1, 2, 3]}},
}
# Minimal list of valid sweep configs
VALID_SWEEP_CONFIGS_MINIMAL: List[Dict[str, Any]] = [
SWEEP_CONFIG_BAYES,
SWEEP_CONFIG_RANDOM,
SWEEP_CONFIG_GRID_HYPERBAND,
SWEEP_CONFIG_GRID_NESTED,
]
# All valid sweep configs, be careful as this will slow down tests
VALID_SWEEP_CONFIGS_ALL: List[Dict[str, Any]] = [
SWEEP_CONFIG_RANDOM,
SWEEP_CONFIG_BAYES,
# TODO: Probabilities seem to error out?
# SWEEP_CONFIG_BAYES_PROBABILITIES,
SWEEP_CONFIG_BAYES_DISTRIBUTION,
SWEEP_CONFIG_BAYES_DISTRIBUTION_NESTED,
SWEEP_CONFIG_BAYES_TARGET,
SWEEP_CONFIG_GRID,
SWEEP_CONFIG_GRID_NESTED,
SWEEP_CONFIG_GRID_HYPERBAND,
]
@pytest.mark.parametrize("sweep_config", VALID_SWEEP_CONFIGS_ALL)
def test_sweep_create(user, relay_server, sweep_config):
with relay_server() as relay:
sweep_id = wandb.sweep(sweep_config, entity=user)
assert sweep_id in relay.context.entries
@pytest.mark.parametrize("sweep_config", VALID_SWEEP_CONFIGS_MINIMAL)
def test_sweep_entity_project_callable(user, relay_server, sweep_config):
def sweep_callable():
return sweep_config
with relay_server() as relay:
sweep_id = wandb.sweep(sweep_callable, project="test", entity=user)
sweep_response = relay.context.entries[sweep_id]
assert sweep_response["project"]["entity"]["name"] == user
assert sweep_response["project"]["name"] == "test"
assert sweep_response["name"] == sweep_id
def test_minmax_validation():
api = wandb.apis.InternalApi()
sweep_config = {
"name": "My Sweep",
"method": "random",
"parameters": {"parameter1": {"min": 0, "max": 1}},
}
filled = api.api._validate_config_and_fill_distribution(sweep_config)
assert "distribution" in filled["parameters"]["parameter1"]
assert "int_uniform" == filled["parameters"]["parameter1"]["distribution"]
sweep_config = {
"name": "My Sweep",
"method": "random",
"parameters": {"parameter1": {"min": 0.0, "max": 1.0}},
}
filled = api.api._validate_config_and_fill_distribution(sweep_config)
assert "distribution" in filled["parameters"]["parameter1"]
assert "uniform" == filled["parameters"]["parameter1"]["distribution"]
sweep_config = {
"name": "My Sweep",
"method": "random",
"parameters": {"parameter1": {"min": 0.0, "max": 1}},
}
with pytest.raises(ValueError):
api.api._validate_config_and_fill_distribution(sweep_config)