fix: remove file only header should take the last license line (#119)

Signed-off-by: tison <[email protected]>

fmt/src/header/parser.rs

@@ -132,6 +132,10 @@ pub fn parse_header(
                                 break;
                             }
                         }
+
+                        if line.as_ref().map(|l| l.trim().is_empty()).unwrap_or(true) {
+                            found_end = true;
+                        }
                     }
                     found_end
                 };

fmt/tests/content/empty.py

@@ -0,0 +1,14 @@
+# Copyright 2024 tison <[email protected]>
+#
+# 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
+#
+#     http://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.
+

fmt/tests/content/two_headers.rs

@@ -0,0 +1,32 @@
+// Copyright 2023 Greptime Team
+//
+// 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
+//
+//     http://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 also contains some code from prometheus project.
+// Copyright 2015 The Prometheus Authors
+// 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
+//
+// http://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.
+
+//! Implementations of `rate`, `increase` and `delta` functions in PromQL.
+
+use std::fmt::Display;
+use std::sync::Arc;

fmt/tests/tests.rs

@@ -0,0 +1,43 @@
+// Copyright 2024 tison <[email protected]>
+//
+// 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
+//
+//     http://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.
+
+use std::path::Path;
+
+use hawkeye_fmt::header::{model::default_headers, parser::parse_header};
+
+#[test]
+fn test_remove_file_only_header() {
+    let file = Path::new("tests/content/empty.py");
+    let defs = default_headers().unwrap();
+    let def = defs.get("script_style").unwrap().clone();
+    let keywords = vec!["copyright".to_string()];
+
+    let document = parse_header(file, def, &keywords).unwrap();
+    let end_pos = document.end_pos.unwrap();
+    let content = document.file_content.content();
+    assert!(content[end_pos..].trim().is_empty());
+}
+
+#[test]
+fn test_two_headers_should_only_remove_the_first() {
+    let file = Path::new("tests/content/two_headers.rs");
+    let defs = default_headers().unwrap();
+    let def = defs.get("doubleslash_style").unwrap().clone();
+    let keywords = vec!["copyright".to_string()];
+
+    let document = parse_header(file, def, &keywords).unwrap();
+    let end_pos = document.end_pos.unwrap();
+    let content = document.file_content.content();
+    assert!(content[end_pos..].contains("Copyright 2015 The Prometheus Authors"));
+}

licenserc.toml

@@ -16,6 +16,7 @@ headerPath = "Apache-2.0.txt"
 
 excludes = [
     "*.txt",
+    "**/tests/content/**",
 ]
 
 [properties]

release.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-
 # Copyright 2024 tison <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");