test: add full test for crates.io source

tests/test_upstream_versions.py

@@ -17,6 +17,7 @@
     NPM,
     NVIDIA,
     AbstractSource,
+    CratesIO,
     Github,
     GithubReleases,
     PyPI,
@@ -1719,3 +1720,37 @@ def test_github_releases(tmpdir, url, feedstock_version):
     ghr = GithubReleases()
     url = ghr.get_url(meta_yaml)
     assert VersionOrder(ghr.get_version(url)) > VersionOrder(feedstock_version)
+
+
+def test_latest_version_cratesio(tmpdir):
+    name = "wbg-rand"
+    recipe_path = os.path.join(YAML_PATH, "version_wbg-rand.yaml")
+    curr_ver = "0.4.0"
+    ver = "0.4.1"
+    source = CratesIO()
+
+    with open(recipe_path) as fd:
+        inp = fd.read()
+
+    pmy = LazyJson(os.path.join(str(tmpdir), "cf-scripts-test.json"))
+    with pmy as _pmy:
+        yml = parse_meta_yaml(inp)
+        _pmy.update(yml["source"])
+        _pmy.update(
+            {
+                "feedstock_name": name,
+                "version": curr_ver,
+                "raw_meta_yaml": inp,
+                "meta_yaml": yml,
+            },
+        )
+
+    attempt = get_latest_version(name, pmy, [source], use_container=False)
+    if ver is None:
+        assert attempt["new_version"] is not False
+        assert attempt["new_version"] != curr_ver
+        assert VersionOrder(attempt["new_version"]) > VersionOrder(curr_ver)
+    elif ver is False:
+        assert attempt["new_version"] is ver
+    else:
+        assert ver == attempt["new_version"]

tests/test_yaml/version_wbg-rand.yaml

@@ -0,0 +1,37 @@
+package:
+  name: wbg-rand
+  version: "0.4.0"
+
+source:
+  url: https://crates.io/api/v1/crates/wbg-rand/0.4.0/download
+  fn: "wbg-rand-0.4.0.tar.gz"
+  sha256: 5505e10cb191f56fed835c35baf4ac97b5466148a13fbcaeb1173198b1a52b4c
+
+build:
+  number: 0
+  skip: true  # [win]
+
+requirements:
+  build:
+    - {{ compiler('rust') }}
+    - {{ compiler('c') }}
+    - {{ stdlib("c") }}
+    - cargo-bundle-licenses
+
+test:
+  commands:
+    - echo "This is a placeholder for the test section"
+
+about:
+  home: https://github.com/alexcrichton/wbg-rand
+  summary: 'Random numbers for wasm32-unknown-unknown in Rust'
+  description: |
+    Implementation of rand for wasm32-unknown-unknown in Rust using #[wasm_bindgen].
+  license: MIT AND Apache-2.0
+  license_file:
+    - LICENSE-MIT
+    - LICENSE-APACHE
+
+extra:
+  recipe-maintainers:
+    - mbhall88