CoverageControl/python/tests/test_models.py at main · KumarRobotics/CoverageControl · GitHub

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# This file is part of the CoverageControl library

# Author: Saurav Agarwal

# Contact: sauravag@seas.upenn.edu, agr.saurav1@gmail.com

# Repository: https://github.com/KumarRobotics/CoverageControl

# The CoverageControl library is free software: you can redistribute it and/or

# modify it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or (at your

# option) any later version.

# The CoverageControl library is distributed in the hope that it will be

# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General

# Public License for more details.

# You should have received a copy of the GNU General Public License along with

# CoverageControl library. If not, see <https://www.gnu.org/licenses/>.

import os

import warnings

import coverage_control.nn as cc_nn

import torch

import torch_geometric

from coverage_control import IOUtils

script_dir = os.path.dirname(os.path.realpath(__file__))

device = torch.device("cpu")

with torch.no_grad():

model_file = os.path.join(

script_dir, "data/lpac/models/model_k3_1024_state_dict.pt"

)

learning_config_file = os.path.join(

script_dir, "data/params/learning_params.toml"

)

learning_config = IOUtils.load_toml(learning_config_file)

lpac_model = cc_nn.LPAC(learning_config).to(device)

lpac_model.load_state_dict(torch.load(model_file, weights_only=True))

lpac_model.eval()

use_comm_maps = learning_config["ModelConfig"]["UseCommMaps"]

map_size = learning_config["CNNBackBone"]["ImageSize"]

lpac_inputs_dict = torch.load(os.path.join(script_dir, "data/lpac/lpac_inputs.pt"), weights_only=True)

lpac_inputs = [torch_geometric.data.Data.from_dict(d) for d in lpac_inputs_dict]

def test_cnn():

with torch.no_grad():

ref_cnn_outputs = torch.load(

os.path.join(script_dir, "data/lpac/cnn_outputs.pt"),

weights_only=True

)

cnn_model = lpac_model.cnn_backbone.to(device).eval()

for i in range(0, len(lpac_inputs)):

cnn_output = cnn_model(lpac_inputs[i].x)

is_close = torch.allclose(cnn_output, ref_cnn_outputs[i], atol=1e-4)

if not is_close:

error = torch.sum(torch.abs(cnn_output - ref_cnn_outputs[i]))

print(f"Error: {error} at {i}")

assert is_close

break

is_equal = torch.equal(cnn_output, ref_cnn_outputs[i])

if not is_equal and is_close:

error = torch.sum(torch.abs(cnn_output - ref_cnn_outputs[i]))

print(f"Error: {error} at {i}")

warnings.warn("Outputs are close but not equal")

def test_lpac():

with torch.no_grad():

ref_lpac_outputs = torch.load(

os.path.join(script_dir, "data/lpac/lpac_outputs.pt"),

weights_only=True

)

for i in range(0, len(lpac_inputs)):

lpac_output = lpac_model(lpac_inputs[i])

is_close = torch.allclose(lpac_output, ref_lpac_outputs[i], atol=1e-4)

if not is_close:

error = torch.sum(torch.abs(lpac_output - ref_lpac_outputs[i]))

print(f"Error: {error} at {i}")

assert is_close

break

is_equal = torch.equal(lpac_output, ref_lpac_outputs[i])

if not is_equal and is_close:

error = torch.sum(torch.abs(lpac_output - ref_lpac_outputs[i]))

print(f"Error: {error} at {i}")

warnings.warn("Outputs are close but not equal")

if __name__ == "__main__":

test_cnn()

test_lpac()

CoverageControl/python/tests/test_models.py at main · KumarRobotics/CoverageControl · GitHub

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