add docker build tests

Author: ImogenBits

algobattle/program.py

@@ -312,7 +312,7 @@ def _build_daemon_call(
             client().images.build(
                 path=str(path),
                 tag=tag,
-                timeout=timeout,
+                timeout=timeout, # type: ignore
                 dockerfile=dockerfile,
                 **build_kwargs,
             ),

tests/test_docker.py

@@ -4,6 +4,7 @@
 
 from algobattle.match import AlgobattleConfig, MatchConfig, RunConfig
 from algobattle.program import Generator, Solver
+from algobattle.util import BuildError
 
 from . import testsproblem
 from .testsproblem.problem import TestInstance, TestProblem, TestSolution
@@ -30,6 +31,17 @@ def setUpClass(cls) -> None:
         ).as_prog_config()
         cls.instance = TestInstance(semantics=True)
 
+    async def test_build_error(self):
+        """A container's build step times out."""
+        with self.assertRaises(BuildError, msg="Build did not complete successfully."):
+            await Generator.build(path=self.problem_path / "build_error", problem=TestProblem, config=self.config)
+
+    async def test_build_timeout(self):
+        """A container's build step times out."""
+        config = AlgobattleConfig(match=MatchConfig(problem="Test Problem", build_timeout=1.5)).as_prog_config()
+        with self.assertRaises(BuildError, msg="Build ran into a timeout."):
+            await Generator.build(path=self.problem_path / "build_timeout", problem=TestProblem, config=config)
+
     async def test_gen_lax_timeout(self):
         """The generator times out but still outputs a valid instance."""
         with await Generator.build(