6962 Fix bundle download naming issue (#6969)

Fixes #6962 .

### Description

This PR is used to fix the bundle download issue if using monaihosting
source. Detailed information is attached in #6962 .

### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [x] New tests added to cover the changes.
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.
- [ ] In-line docstrings updated.
- [ ] Documentation updated, tested `make html` command in the `docs/`
folder.

---------

Signed-off-by: Yiheng Wang <vennw@nvidia.com>
Signed-off-by: monai-bot <monai.miccai2019@gmail.com>
Co-authored-by: monai-bot <monai.miccai2019@gmail.com>

Author: yiheng-wang-nv

monai/bundle/scripts.py

@@ -160,7 +160,7 @@ def _get_ngc_bundle_url(model_name: str, version: str) -> str:
 
 def _get_monaihosting_bundle_url(model_name: str, version: str) -> str:
     monaihosting_root_path = "https://api.ngc.nvidia.com/v2/models/nvidia/monaihosting"
-    return f"{monaihosting_root_path}/{model_name}/versions/{version}/files/{model_name.lower()}_v{version}.zip"
+    return f"{monaihosting_root_path}/{model_name.lower()}/versions/{version}/files/{model_name}_v{version}.zip"
 
 
 def _download_from_github(repo: str, download_path: Path, filename: str, progress: bool = True) -> None:

tests/test_bundle_download.py

@@ -71,11 +71,7 @@
     {"spatial_dims": 3, "out_channels": 5},
 ]
 
-TEST_CASE_8 = [
-    "Spleen_CT_Segmentation",
-    "cuda" if torch.cuda.is_available() else "cpu",
-    {"spatial_dims": 3, "out_channels": 5},
-]
+TEST_CASE_8 = [["models/model.pt", "configs/train.json"], "renalStructures_CECT_segmentation", "0.1.0"]
 
 TEST_CASE_9 = [
     ["network.json", "test_output.pt", "test_input.pt", "large_files.yaml"],
@@ -127,7 +123,7 @@ def test_url_download_bundle(self, bundle_files, bundle_name, url, hash_val):
 
     @parameterized.expand([TEST_CASE_6])
     @skip_if_quick
-    def test_monaihosting_download_bundle(self, bundle_files, bundle_name, url):
+    def test_monaihosting_url_download_bundle(self, bundle_files, bundle_name, url):
         with skip_if_downloading_fails():
             # download a single file from url, also use `args_file`
             with tempfile.TemporaryDirectory() as tempdir:
@@ -136,7 +132,24 @@ def test_monaihosting_download_bundle(self, bundle_files, bundle_name, url):
                 parser = ConfigParser()
                 parser.export_config_file(config=def_args, filepath=def_args_file)
                 cmd = ["coverage", "run", "-m", "monai.bundle", "download", "--args_file", def_args_file]
-                cmd += ["--url", url, "--progress", "False", "--source", "monaihosting"]
+                cmd += ["--url", url, "--progress", "False"]
+                command_line_tests(cmd)
+                for file in bundle_files:
+                    file_path = os.path.join(tempdir, bundle_name, file)
+                    self.assertTrue(os.path.exists(file_path))
+
+    @parameterized.expand([TEST_CASE_8])
+    @skip_if_quick
+    def test_monaihosting_source_download_bundle(self, bundle_files, bundle_name, version):
+        with skip_if_downloading_fails():
+            # download a single file from url, also use `args_file`
+            with tempfile.TemporaryDirectory() as tempdir:
+                def_args = {"name": bundle_name, "bundle_dir": tempdir, "version": version}
+                def_args_file = os.path.join(tempdir, "def_args.json")
+                parser = ConfigParser()
+                parser.export_config_file(config=def_args, filepath=def_args_file)
+                cmd = ["coverage", "run", "-m", "monai.bundle", "download", "--args_file", def_args_file]
+                cmd += ["--progress", "False", "--source", "monaihosting"]
                 command_line_tests(cmd)
                 for file in bundle_files:
                     file_path = os.path.join(tempdir, bundle_name, file)
@@ -210,7 +223,7 @@ def test_load_weights(self, bundle_files, bundle_name, repo, device, model_file)
                 output_3 = model_3.forward(input_tensor)
                 assert_allclose(output_3, expected_output, atol=1e-4, rtol=1e-4, type_test=False)
 
-    @parameterized.expand([TEST_CASE_7, TEST_CASE_8])
+    @parameterized.expand([TEST_CASE_7])
     @skip_if_quick
     def test_load_weights_with_net_override(self, bundle_name, device, net_override):
         with skip_if_downloading_fails():