tests/sources/cargo.py

#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
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#  distributed under the License is distributed on an "AS IS" BASIS,
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# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name

import os
import pytest

from buildstream import _yaml
from buildstream._testing import cli  # pylint: disable=unused-import

DATA_DIR = os.path.join(
    os.path.dirname(os.path.realpath(__file__)),
    "cargo",
)


def generate_project(project_dir):
    project_file = os.path.join(project_dir, "project.conf")
    _yaml.roundtrip_dump(
        {
            "name": "foo",
            "min-version": "2.0",
            "element-path": "elements",
            "plugins": [
                {
                    "origin": "pip",
                    "package-name": "buildstream-plugins",
                    "sources": ["cargo"],
                }
            ],
        },
        project_file,
    )


@pytest.mark.datafiles(os.path.join(DATA_DIR, "minimal"))
def test_cargo_track_fetch_build(cli, datafiles):
    project = str(datafiles)
    generate_project(project)

    # First track
    result = cli.run(project=project, args=["source", "track", "base64.bst"])
    result.assert_success()

    # Now we should be able to get the source info
    result = cli.run(project=project, args=["show", "--format", "%{name}:\n%{source-info}", "base64.bst"])
    result.assert_success()
    loaded = _yaml.load_data(result.output)
    sources = loaded.get_sequence("base64.bst")

    # Assert the cargo source, which is in the second position after the local source
    source_info = sources.mapping_at(1)
    assert source_info.get_str("kind") == "cargo"
    assert source_info.get_str("url") == "https://static.crates.io/crates/base64/base64-0.22.1.crate"
    assert source_info.get_str("medium") == "remote-file"
    assert source_info.get_str("version-type") == "sha256"
    assert source_info.get_str("version") == "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
    assert source_info.get_str("version-guess") == "0.22.1"

    # Now fetch and build
    result = cli.run(project=project, args=["source", "fetch", "base64.bst"])
    result.assert_success()
    result = cli.run(project=project, args=["build", "base64.bst"])
    result.assert_success()