test: use and require explicit exports

Require all the tests that compile a manifest to either specify
checkpoints or exports. Convert all the tests that were relying
on implicit exports with v1 manifests to use explicit exports.

test/run/test_assemblers.py

@@ -41,9 +41,9 @@ class TestAssemblers(test.TestBase):
         assert treeid
 
         with tempfile.TemporaryDirectory(dir="/var/tmp") as output_dir:
-            osb.compile(data, output_dir=output_dir, checkpoints=[treeid])
+            osb.compile(data, output_dir=output_dir, checkpoints=[treeid], exports=["assembler"])
             with osb.map_object(treeid) as tree:
-                yield tree, os.path.join(output_dir, output_path)
+                yield tree, os.path.join(output_dir, "assembler", output_path)
 
     def assertImageFile(self, filename, fmt, expected_size=None):
         info = json.loads(subprocess.check_output(["qemu-img", "info", "--output", "json", filename]))
@@ -118,9 +118,9 @@ class TestAssemblers(test.TestBase):
 
             data = json.dumps(manifest)
             with tempfile.TemporaryDirectory(dir="/var/tmp") as output_dir:
-                result = osb.compile(data, output_dir=output_dir)
-                compose_file = os.path.join(output_dir, "compose.json")
-                repo = os.path.join(output_dir, "repo")
+                result = osb.compile(data, output_dir=output_dir, exports=["assembler"])
+                compose_file = os.path.join(output_dir, "assembler", "compose.json")
+                repo = os.path.join(output_dir, "assembler", "repo")
 
                 with open(compose_file) as f:
                     compose = json.load(f)

test/run/test_boot.py

@@ -26,8 +26,8 @@ class TestBoot(test.TestBase):
 
         with self.osbuild as osb:
             with tempfile.TemporaryDirectory(dir="/var/tmp") as temp_dir:
-                osb.compile_file(manifest, output_dir=temp_dir)
-                qcow2 = os.path.join(temp_dir, "fedora-boot.qcow2")
+                osb.compile_file(manifest, output_dir=temp_dir, exports=["assembler"])
+                qcow2 = os.path.join(temp_dir, "assembler", "fedora-boot.qcow2")
                 output_file = os.path.join(temp_dir, "output")
 
                 subprocess.run(["qemu-system-x86_64",

test/run/test_noop.py

@@ -1,12 +1,14 @@
 #
 # Runtime Tests for No-op Pipelines
 #
+
 import json
 import tempfile
 import pytest
 
 from .. import test
 
+
 @pytest.fixture(name="jsondata", scope="module")
 def jsondata_fixture():
     return json.dumps({
@@ -33,6 +35,7 @@ def jsondata_fixture():
         ]
     })
 
+
 @pytest.fixture(name="tmpdir", scope="module")
 def tmpdir_fixture():
     with tempfile.TemporaryDirectory() as tmp:
@@ -52,14 +55,18 @@ def osbuild_fixture():
 # Then run the entire thing again, to verify our own `osbuild` executor
 # tears things down properly and allows to be executed multiple times.
 #
+
+
 def test_noop(osb):
-    osb.compile("{}")
-    osb.compile("{}")
+    osb.compile("{}", checkpoints=[])
+    osb.compile("{}", checkpoints=[])
+
 
 def test_noop2(osb):
-    osb.compile("{}")
-    osb.compile("{}")
+    osb.compile("{}", checkpoints=[])
+    osb.compile("{}", checkpoints=[])
+
 
 @pytest.mark.skipif(not test.TestBase.can_bind_mount(), reason="root-only")
 def test_noop_v2(osb, tmpdir, jsondata):
-    osb.compile(jsondata, output_dir=tmpdir)
+    osb.compile(jsondata, output_dir=tmpdir, exports=["noop"])

test/test.py

@@ -288,6 +288,9 @@ class OSBuild(contextlib.AbstractContextManager):
         Returns the build result as dictionary.
         """
 
+        if checkpoints is None and exports is None:
+            raise ValueError("Need `checkpoints` or `exports` argument")
+
         if output_dir is None:
             output_dir_context = tempfile.TemporaryDirectory(dir="/var/tmp")
         else: