[#350] Move file-related functions to file_helper

Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>

pytest_tests/helpers/utility.py

@@ -1,64 +1,33 @@
-import os
 import time
-import uuid
 
 import allure
-from common import ASSETS_DIR, SIMPLE_OBJ_SIZE, STORAGE_GC_TIME
-
-
-def create_file_with_content(file_path: str = None, content: str = None) -> str:
-    mode = "w+"
-    if not content:
-        content = os.urandom(SIMPLE_OBJ_SIZE)
-        mode = "wb"
-
-    if not file_path:
-        file_path = f"{os.getcwd()}/{ASSETS_DIR}/{str(uuid.uuid4())}"
-    else:
-        if not os.path.exists(os.path.dirname(file_path)):
-            os.makedirs(os.path.dirname(file_path))
-
-    with open(file_path, mode) as out_file:
-        out_file.write(content)
-
-    return file_path
-
-
-def get_file_content(file_path: str, content_len: int = None, mode="r") -> str:
-    with open(file_path, mode) as out_file:
-        if content_len:
-            content = out_file.read(content_len)
-        else:
-            content = out_file.read()
-
-    return content
-
-
-def split_file(file_path: str, parts: int) -> list[str]:
-    files = []
-    with open(file_path, "rb") as in_file:
-        data = in_file.read()
-
-    content_size = len(data)
-
-    chunk_size = int((content_size + parts) / parts)
-    part_id = 1
-    for start_position in range(0, content_size + 1, chunk_size):
-        part_file_name = f"{file_path}_part_{part_id}"
-        files.append(part_file_name)
-        with open(part_file_name, "wb") as out_file:
-            out_file.write(data[start_position : start_position + chunk_size])
-        part_id += 1
-
-    return files
+from common import STORAGE_GC_TIME
 
 
 def parse_time(value: str) -> int:
-    if value.endswith("s"):
-        return int(value[:-1])
+    """Converts time interval in text form into time interval as number of seconds.
 
-    if value.endswith("m"):
-        return int(value[:-1]) * 60
+    Args:
+        value: time interval as text.
+
+    Returns:
+        Number of seconds in the parsed time interval.
+    """
+    value = value.lower()
+
+    for suffix in ["s", "sec"]:
+        if value.endswith(suffix):
+            return int(value[: -len(suffix)])
+
+    for suffix in ["m", "min"]:
+        if value.endswith(suffix):
+            return int(value[: -len(suffix)]) * 60
+
+    for suffix in ["h", "hr", "hour"]:
+        if value.endswith(suffix):
+            return int(value[: -len(suffix)]) * 60 * 60
+
+    raise ValueError(f"Unknown units in time value '{value}'")
 
 
 def placement_policy_from_container(container_info: str) -> str:
@@ -88,7 +57,6 @@ def placement_policy_from_container(container_info: str) -> str:
 
 
 def wait_for_gc_pass_on_storage_nodes() -> None:
-    # We add 15 seconds to allow some time for GC process itself
     wait_time = parse_time(STORAGE_GC_TIME)
     with allure.step(f"Wait {wait_time}s until GC completes on storage nodes"):
         time.sleep(wait_time)