X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=test%2Fintegration%2Ftestlib%2Fcheck.py;h=3b7dec170286fbebd79d35d46281cf176be6df8d;hb=67e09d80143c4dcad182730a7b73a3d1183e67da;hp=1d1dfb0f8767e7bbfbe7790b26f81b469cf4bbc7;hpb=a5c6c6ea1ab657d83a4d8b064ac9bfa9c16adf63;p=tinc

diff --git a/test/integration/testlib/check.py b/test/integration/testlib/check.py
index 1d1dfb0f..3b7dec17 100755
--- a/test/integration/testlib/check.py
+++ b/test/integration/testlib/check.py
@@ -1,6 +1,8 @@
 """Simple assertions which print the expected and received values on failure."""
 
+import os.path
 import typing as T
+from pathlib import Path
 
 from .log import log
 
@@ -8,6 +10,12 @@ Val = T.TypeVar("Val")
 Num = T.TypeVar("Num", int, float)
 
 
+def blank(value: T.AnyStr) -> None:
+    """Check that value is an empty or blank string."""
+    if not isinstance(value, str) or value.strip():
+        raise ValueError(f'expected "{value!r}" to be a blank string')
+
+
 def false(value: T.Any) -> None:
     """Check that value is falsy."""
     if value:
@@ -50,6 +58,13 @@ def in_range(value: Num, gte: Num, lte: Num) -> None:
         raise ValueError(f"value {value} must be between {gte} and {lte}")
 
 
+def lines(text: T.AnyStr, num: int) -> None:
+    """Check that text splits into `num` lines."""
+    rows = text.splitlines()
+    if len(rows) != num:
+        raise ValueError(f"expected {num} lines, got {len(rows)}: {rows}")
+
+
 def is_in(needle: Val, *haystacks: T.Container[Val]) -> None:
     """Check that at least one haystack includes needle."""
     for haystack in haystacks:
@@ -86,3 +101,9 @@ def files_eq(path0: str, path1: str) -> None:
 
     if content0 != content1:
         raise ValueError(f"expected files {path0} and {path1} to match")
+
+
+def file_exists(path: T.Union[str, Path]) -> None:
+    """Check that file or directory exists."""
+    if not os.path.exists(path):
+        raise ValueError("expected path '{path}' to exist")