add support for file line count status check

buildtest/builders/base.py

@@ -23,6 +23,7 @@
     contains_check,
     exists_check,
     file_count_check,
+    file_linecount_check,
     file_regex_check,
     is_dir_check,
     is_file_check,
@@ -248,6 +249,7 @@
             "is_file",
             "file_count",
             "linecount",
+            "file_linecount",
         ]
         self.metadata["check"] = {name: None for name in status_check_names}
         self.metadata["metrics"] = {}
@@ -1144,6 +1146,10 @@
             if self.status.get("linecount"):
                 self.metadata["check"]["linecount"] = linecount_check(builder=self)
 
+            if self.status.get("file_linecount"):
+                self.metadata["check"]["file_linecount"] = file_linecount_check(
+                    builder=self
+                )
             # filter out any None values from status check
             status_checks = [
                 value for value in self.metadata["check"].values() if value is not None

buildtest/buildsystem/checks.py

@@ -673,3 +673,38 @@
         f"[blue]{builder}[/]: Performing line count check on file: {fname} with {builder.status['linecount']['count']} (ref count) == {len(content.splitlines())} (actual count). linecount Check: {comparison}"
     )
     return comparison
+
+
+def file_linecount_check(builder):
+    """This method is used to perform line count check when ``file_linecount`` property is specified
+
+    Args:
+        builder (buildtest.builders.base.BuilderBase): An instance of BuilderBase class used for printing the builder name
+    """
+    assert_check = []
+    for file_check in builder.status["file_linecount"]:
+        resolved_fname = resolve_path(file_check["file"])
+        if not resolved_fname:
+            msg = (
+                f"[blue]{builder}[/]: Unable to resolve file path: {file_check['file']}"
+            )
+            logger.error(msg)
+            console.print(msg, style="red")
+            assert_check.append(False)
+            continue
+
+        if not is_file(resolved_fname):
+            msg = f"[blue]{builder}[/]: File: {resolved_fname} is not a file"
+            logger.error(msg)
+            console.print(msg, style="red")
+            assert_check.append(False)
+            continue
+
+        content = read_file(resolved_fname)
+        comparison = len(content.splitlines()) == file_check["count"]
+        console.print(
+            f"[blue]{builder}[/]: Performing line count check on file: {resolved_fname} with {file_check['count']} (ref count) == {len(content.splitlines())} (actual count). linecount Check: {comparison}"
+        )
+        assert_check.append(comparison)
+
+    return all(assert_check)