fix: schemes option is optional

ldm/api/config/_dependency.py

@@ -6,6 +6,6 @@
 
 
 class DependencyConfig(BaseModel):
-    schemes: dict[str, SchemeConfig]
+    schemes: dict[str, SchemeConfig] | None = Field(default_factory=lambda: {})
     dependencies: dict[str, str]
     config: InstallerConfig | None = Field(default_factory=lambda: InstallerConfig())

tests/empty/project/.gitignore

@@ -0,0 +1,3 @@
+*
+!ldm.yml
+!.gitignore

tests/empty/project/ldm.yml

@@ -0,0 +1 @@
+dependencies: {}

tests/empty/test_ldm.py

@@ -0,0 +1,13 @@
+import shutil
+from os.path import dirname, join
+from ..helpers import run_ldm_install
+
+PROJECT_ROOT = join(dirname(__file__), "project")
+
+
+def setup_module():
+    shutil.rmtree(join(PROJECT_ROOT, "src"), ignore_errors=True)
+
+
+def test_ldm_empty_config():
+    assert run_ldm_install(cwd=PROJECT_ROOT)

tests/helpers.py

@@ -0,0 +1,13 @@
+import subprocess
+
+
+def run_ldm_install(
+    args: list[str] | None = None,
+    *,
+    cwd: str,
+):
+    return subprocess.check_output(
+        f"ldm install {' '.join(args or [])}",
+        shell=True,
+        cwd=cwd,
+    )

tests/parallel/project/.gitignore

@@ -0,0 +1,3 @@
+*
+!ldm.yml
+!.gitignore

tests/parallel/test_ldm.py

@@ -1,7 +1,7 @@
 import pytest
 import shutil
-import subprocess
 from os.path import dirname, exists, join
+from ..helpers import run_ldm_install
 
 PROJECT_ROOT = join(dirname(__file__), "project")
 
@@ -12,23 +12,15 @@ def setup_module():
 
 @pytest.mark.order(1)
 def test_ldm_specified_targets():
-    _run_ldm_install(["clamp"])
+    assert run_ldm_install(["clamp"], cwd=PROJECT_ROOT)
 
     assert exists(join(PROJECT_ROOT, "src/utils/clamp.ts"))
     assert not exists(join(PROJECT_ROOT, "src/styles/reset.css"))
 
 
 @pytest.mark.order(2)
 def test_ldm_parallel_option():
-    _run_ldm_install()
+    assert run_ldm_install(cwd=PROJECT_ROOT)
 
     assert exists(join(PROJECT_ROOT, "src/utils/clamp.ts"))
     assert exists(join(PROJECT_ROOT, "src/styles/reset.css"))
-
-
-def _run_ldm_install(args: list[str] | None = None):
-    return subprocess.check_output(
-        f"ldm install {' '.join(args or [])}",
-        shell=True,
-        cwd=PROJECT_ROOT,
-    )

tests/sequential/project/.gitignore

@@ -0,0 +1,3 @@
+*
+!ldm.yml
+!.gitignore

tests/sequential/test_ldm.py

@@ -1,7 +1,7 @@
 import pytest
 import shutil
-import subprocess
 from os.path import dirname, exists, join
+from ..helpers import run_ldm_install
 
 PROJECT_ROOT = join(dirname(__file__), "project")
 
@@ -12,23 +12,15 @@ def setup_module():
 
 @pytest.mark.order(1)
 def test_ldm_specified_targets():
-    _run_ldm_install(["clamp"])
+    assert run_ldm_install(["clamp"], cwd=PROJECT_ROOT)
 
     assert exists(join(PROJECT_ROOT, "src/utils/clamp.ts"))
     assert not exists(join(PROJECT_ROOT, "src/styles/reset.css"))
 
 
 @pytest.mark.order(2)
 def test_ldm_sequential_option():
-    _run_ldm_install()
+    assert run_ldm_install(cwd=PROJECT_ROOT)
 
     assert exists(join(PROJECT_ROOT, "src/utils/clamp.ts"))
     assert exists(join(PROJECT_ROOT, "src/styles/reset.css"))
-
-
-def _run_ldm_install(args: list[str] | None = None):
-    return subprocess.check_output(
-        f"ldm install {' '.join(args or [])}",
-        shell=True,
-        cwd=PROJECT_ROOT,
-    )