test: add scenarios to verify newline adding to embedded files

1 files changed, 19 insertions, 0 deletions

diff --git a/subplot.py b/subplot.py
index bf6415f..fa3d502 100644
--- a/subplot.py
+++ b/subplot.py
@@ -107,5 +107,24 @@ def json_output_matches_file(ctx, filename=None):
     assert_dict_eq(actual, expected)
 
 
+def file_ends_in_zero_newlines(ctx, filename=None):
+    content = open(filename, "r").read()
+    print("content:", repr(content))
+    assert_ne(content[-1], "\n")
+
+
+def file_ends_in_one_newline(ctx, filename=None):
+    content = open(filename, "r").read()
+    print("content:", repr(content))
+    assert_eq(content[-1], "\n")
+    assert_ne(content[-2], "\n")
+
+
+def file_ends_in_two_newlines(ctx, filename=None):
+    content = open(filename, "r").read()
+    print("content:", repr(content))
+    assert_eq(content[-2:], "\n\n")
+
+
 def binary(basename):
     return os.path.join(srcdir, "target", "debug", basename)