nix-eval-jobs/tests/test_eval.py

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#!/usr/bin/env python3
import subprocess
import json
from tempfile import TemporaryDirectory
from pathlib import Path
from typing import List, Dict, Any
TEST_ROOT = Path(__file__).parent.resolve()
PROJECT_ROOT = TEST_ROOT.parent
BIN = PROJECT_ROOT.joinpath("build", "src", "nix-eval-jobs")
def common_test(extra_args: List[str]) -> List[Dict[str, Any]]:
with TemporaryDirectory() as tempdir:
cmd = [str(BIN), "--gc-roots-dir", tempdir, "--meta"] + extra_args
res = subprocess.run(
cmd,
cwd=TEST_ROOT.joinpath("assets"),
text=True,
check=True,
stdout=subprocess.PIPE,
)
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results = [json.loads(r) for r in res.stdout.split("\n") if r]
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assert len(results) == 4
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built_job = results[0]
assert built_job["attr"] == "builtJob"
assert built_job["name"] == "job1"
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assert built_job["outputs"]["out"].startswith("/nix/store")
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assert built_job["drvPath"].endswith(".drv")
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assert built_job["meta"]["broken"] is False
dotted_job = results[1]
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assert dotted_job["attr"] == '"dotted.attr"'
assert dotted_job["attrPath"] == ["dotted.attr"]
recurse_drv = results[2]
assert recurse_drv["attr"] == "recurse.drvB"
assert recurse_drv["name"] == "drvB"
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substituted_job = results[3]
assert substituted_job["attr"] == "substitutedJob"
assert substituted_job["name"].startswith("hello-")
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assert substituted_job["meta"]["broken"] is False
return results
def test_flake() -> None:
results = common_test(["--flake", ".#hydraJobs"])
for result in results:
assert "isCached" not in result
def test_query_cache_status() -> None:
results = common_test(["--flake", ".#hydraJobs", "--check-cache-status"])
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# FIXME in the nix sandbox we cannot query binary caches
# this would need some local one
for result in results:
assert "isCached" in result
def test_expression() -> None:
results = common_test(["ci.nix"])
for result in results:
assert "isCached" not in result
with open(TEST_ROOT.joinpath("assets/ci.nix"), "r") as ci_nix:
common_test(["-E", ci_nix.read()])
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def test_eval_error() -> None:
with TemporaryDirectory() as tempdir:
cmd = [str(BIN), "--gc-roots-dir", tempdir, "--meta", "--flake", ".#legacyPackages.x86_64-linux"]
res = subprocess.run(
cmd,
cwd=TEST_ROOT.joinpath("assets"),
text=True,
stdout=subprocess.PIPE,
)
attrs = json.loads(res.stdout)
assert attrs["attr"] == "brokenPackage"
assert "this is an evaluation error" in attrs["error"]