feat(node-mono-repo): make years in node mono-repo templates variable (…

…#1512)

* feat(node-mono-repo): make mono-repo templates with years variable

synthtool/gcp/common.py

@@ -21,6 +21,7 @@
 from pathlib import Path
 from typing import Dict, List, Optional
 import jinja2
+from datetime import date
 
 from synthtool import shell, _tracked_paths
 from synthtool.gcp import partials
@@ -349,6 +350,7 @@ def node_mono_repo_library(self, relative_dir, **kwargs) -> Path:
                 versions=kwargs["versions"],
                 default_version=kwargs["default_version"],
                 relative_dir=relative_dir,
+                year=str(date.today().year),
             )
 
         return self._generic_library("node_mono_repo_library", **kwargs)

synthtool/gcp/templates/node_mono_repo_library/.mocharc.js

@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright {{ metadata['year'] }} Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

synthtool/gcp/templates/node_mono_repo_library/.prettierrc.js

@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright {{ metadata['year'] }} Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

synthtool/gcp/templates/node_mono_repo_split_library/index.ts.j2

@@ -0,0 +1,25 @@
+// Copyright {{year}} Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// ** This file is automatically generated by synthtool. **
+// ** https://github.com/googleapis/synthtool **
+// ** All changes to this file may be overwritten. **
+
+{% for version in versions %}import * as {{ version }} from './{{ version}}';{{ "\n" }}{% endfor %}
+{% for client in clients %}const {{ client }} = {{ default_version }}.{{ client }};
+type {{ client }} = {{ default_version }}.{{ client }};{{ "\n" }}{% endfor %}
+export {{ "{" }}{{ versions|join(', ')}}, {{ clients|join(', ')}}{{ "}" }};
+export default {{ "{" }}{{ versions|join(', ')}}, {{ clients|join(', ')}}{{ "}" }};
+import * as protos from '../protos/protos';
+export {protos};

synthtool/languages/node_mono_repo.py

@@ -24,6 +24,7 @@
 import logging
 import shutil
 from synthtool.languages import common
+from datetime import date
 
 
 _REQUIRED_FIELDS = ["name", "repository", "engines"]
@@ -90,6 +91,7 @@ def template_metadata(relative_dir: str) -> Dict[str, Any]:
             all_samples,
         )
     )
+    metadata["year"] = date.today().year
     return metadata
 
 
@@ -108,7 +110,7 @@ def extract_clients(filePath: Path) -> List[str]:
 
 
 def generate_index_ts(
-    versions: List[str], default_version: str, relative_dir: str
+    versions: List[str], default_version: str, relative_dir: str, year: str
 ) -> None:
     """
     generate src/index.ts to export the client name and versions in the client library.
@@ -146,15 +148,18 @@ def generate_index_ts(
 
     # compose template directory
     template_path = (
-        Path(__file__).parent.parent / "gcp" / "templates" / "node_split_library"
+        Path(__file__).parent.parent
+        / "gcp"
+        / "templates"
+        / "node_mono_repo_split_library"
     )
     template_loader = FileSystemLoader(searchpath=str(template_path))
     template_env = Environment(loader=template_loader, keep_trailing_newline=True)
     TEMPLATE_FILE = "index.ts.j2"
     index_template = template_env.get_template(TEMPLATE_FILE)
     # render index.ts content
     output_text = index_template.render(
-        versions=versions, default_version=default_version, clients=clients
+        versions=versions, default_version=default_version, clients=clients, year=year
     )
     with open(Path(relative_dir, "src/index.ts").resolve(), "w") as fh:
         fh.write(output_text)

tests/test_node_mono_repo.py

@@ -18,6 +18,7 @@
 from pathlib import Path
 from unittest import TestCase
 from unittest.mock import patch
+from datetime import date
 
 import pytest
 
@@ -127,6 +128,7 @@ def test_generate_index_ts():
             ["v1", "v1beta1"],
             "v1",
             relative_dir=(FIXTURES / "node_templates" / "index_samples"),
+            year="2020",
         )
         generated_index_path = pathlib.Path(
             FIXTURES / "node_templates" / "index_samples" / "src" / "index.ts"
@@ -142,7 +144,10 @@ def test_generate_index_ts_empty_versions():
     with util.chdir(FIXTURES / "node_templates" / "index_samples"):
         with pytest.raises(AttributeError) as err:
             node_mono_repo.generate_index_ts(
-                [], "v1", relative_dir=(FIXTURES / "node_templates" / "index_samples")
+                [],
+                "v1",
+                relative_dir=(FIXTURES / "node_templates" / "index_samples",),
+                year=date.today().year,
             )
             assert "can't be empty" in err.args
 
@@ -158,6 +163,7 @@ def test_generate_index_ts_invalid_default_version():
                 versions,
                 default_version,
                 relative_dir=(FIXTURES / "node_templates" / "index_samples"),
+                year=date.today().year,
             )
             assert f"must contain default version {default_version}" in err.args
 
@@ -173,6 +179,7 @@ def test_generate_index_ts_no_clients():
                 versions,
                 default_version,
                 relative_dir=(FIXTURES / "node_templates" / "index_samples"),
+                year=date.today().year,
             )
             assert (
                 f"No client is exported in the default version's({default_version}) index.ts ."