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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233import albedo/harness/extensions/python/kernel as pythonimport albedo/harness/extensions/work/ledger as workimport gleam/erlang/processimport gleam/stringimport gleeunit/should
/// Every stop must end the kernel's process groups; a survivor fails the test.fn stop(kernel: python.Kernel) -> Nil { let assert Ok(_) = python.stop(kernel) Nil}
pub fn persistent_namespace_and_shared_ledger_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(first) = python.execute( kernel, "a", "x = 40\nitem = await work.create('fix cancellation')\nprint(item['title'])\nx + 2", 5000, ) first.status |> should.equal(python.Succeeded) first.output |> should.equal("fix cancellation\n") first.value |> should.equal("42") let assert Ok([item]) = work.list(store, 0, 10) let assert Ok(_) = work.update(store, work.Item(..item, status: work.Done)) let assert Ok(second) = python.execute( kernel, "b", "(x, (await work.get(item['id']))['status'])", 5000, ) second.value |> should.equal("(40, 'done')") let assert Ok(conflict) = python.execute( kernel, "c", "await work.update(item['id'], revision=item['revision'], status='active')", 5000, ) conflict.status |> should.equal(python.Failed) conflict.output |> string.contains("WorkError") |> should.be_true stop(kernel) work.close(store)}
pub fn background_progress_and_timeout_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(_) = python.execute( kernel, "a", "import asyncio\nflag = False\nasync def later():\n global flag\n await asyncio.sleep(0.02)\n flag = True\ntask = asyncio.create_task(later())", 5000, ) process.sleep(100) let assert Ok(flag) = python.execute(kernel, "b", "flag", 5000) flag.value |> should.equal("True") let assert Ok(timed) = python.execute(kernel, "c", "await asyncio.sleep(30)", 50) timed.status |> should.equal(python.Interrupted) timed.output |> string.contains("cell deadline exceeded") |> should.be_true let assert Ok(next) = python.execute(kernel, "d", "flag", 5000) next.value |> should.equal("True") stop(kernel) work.close(store)}
pub fn errors_do_not_rollback_and_output_is_bounded_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(_) = python.execute(kernel, "a", "x = 5\nraise ValueError('failure')", 5000) let assert Ok(out) = python.execute(kernel, "b", "print('a' * 100000)\nx", 5000) out.value |> should.equal("5") out.truncated |> should.be_true string.byte_size(out.output) |> should.equal(65_536) let assert Ok(saved) = python.execute( kernel, "c", "len(output.read('b', offset=65536, limit=40000))", 5000, ) saved.value |> should.equal("34465") stop(kernel) work.close(store)}
pub fn shell_handles_and_job_output_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(first) = python.execute(kernel, "a", "job = bash('printf hello; exit 3')\njob", 5000) first.value |> string.contains("Job(") |> should.be_true let assert Ok(second) = python.execute(kernel, "b", "await job\n(job.poll(), job.tail())", 5000) second.value |> should.equal("(3, 'hello')") python.events(kernel) |> should.not_equal([]) // A job's output is addressable by id, and an id nobody retained says where to look. let assert Ok(archived) = python.execute(kernel, "c", "output.read(job.id)", 5000) archived.value |> should.equal("'hello'") let assert Ok(missing) = python.execute( kernel, "d", "try:\n output.read('0')\nexcept LookupError as error:\n print(error)", 5000, ) missing.output |> string.contains("jobs['0'].tail()") |> should.be_true stop(kernel) work.close(store)}
/// A subprocess writing to the inherited fd keeps its place among the cell's prints.pub fn native_output_joins_the_running_cell_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(ordered) = python.execute( kernel, "a", "import subprocess\nprint('A')\nsubprocess.run(['sh', '-c', 'printf B'])\nprint('C')", 5000, ) ordered.output |> should.equal("A\nBC\n") let assert Ok(_) = python.execute( kernel, "b", "late = subprocess.Popen(['sh', '-c', 'sleep 0.2; printf late'])", 5000, ) process.sleep(600) let assert Ok(native) = python.execute(kernel, "c", "output.read('native')", 5000) native.value |> should.equal("'late'") stop(kernel) work.close(store)}
pub fn busy_and_explicit_interrupt_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let reply = process.new_subject() let _ = process.spawn_unlinked(fn() { process.send( reply, python.execute( kernel, "a", "import asyncio\nawait asyncio.sleep(30)", 5000, ), ) }) process.sleep(100) python.execute(kernel, "b", "42", 5000) |> should.equal(Error(python.Busy)) python.interrupt(kernel) let assert Ok(Ok(interrupted)) = process.receive(reply, 3000) interrupted.status |> should.equal(python.Interrupted) let assert Ok(next) = python.execute(kernel, "c", "42", 5000) next.value |> should.equal("42") stop(kernel) work.close(store)}
pub fn errors_remain_visible_after_output_flood_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(out) = python.execute( kernel, "a", "print('x' * 200000)\nraise ValueError('visible error')", 5000, ) out.status |> should.equal(python.Failed) out.output |> string.contains("visible error") |> should.be_true out.truncated |> should.be_true stop(kernel) work.close(store)}
pub fn imports_follow_the_current_workspace_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(out) = python.execute( kernel, "a", "import os, tempfile\nfrom pathlib import Path\nwith tempfile.TemporaryDirectory() as directory:\n os.chdir(directory)\n Path('albedo_local_module.py').write_text('answer = 42')\n import albedo_local_module\n print(albedo_local_module.answer)\nos.chdir('/tmp')", 5000, ) out.status |> should.equal(python.Succeeded) out.output |> should.equal("42\n") stop(kernel) work.close(store)}
pub fn shell_deadline_is_reported_and_kernel_remains_usable_test() { let assert Ok(store) = work.start(":memory:") let assert Ok(kernel) = python.local(store, "/tmp") let assert Ok(outcome) = python.execute( kernel, "deadline", "job = bash('sleep 30', timeout=0.05)\nawait job\nprint(job.tail())\n(job.timed_out, job.exit_code < 0)", 5000, ) outcome.status |> should.equal(python.Succeeded) outcome.value |> should.equal("(True, True)") outcome.output |> string.contains("deadline exceeded after 0.05s") |> should.be_true let assert Ok(next) = python.execute( kernel, "next", "quick = await bash('printf done')\n(quick.timed_out, quick.tail())", 5000, ) next.value |> should.equal("(False, 'done')") stop(kernel) work.close(store)}