Tolerate temporary directory cleanup failures

lib/sus/fixtures/temporary_directory_context.rb

@@ -4,6 +4,7 @@
 # Copyright, 2025-2026, by Samuel Williams.
 
 require "tmpdir"
+require "fileutils"
 
 module Sus
 	module Fixtures
@@ -12,10 +13,17 @@ module TemporaryDirectoryContext
 			# Set up a temporary directory before the test and clean it up after.
 			# @yields {|&block| ...} The test block to execute.
 			def around(&block)
-				Dir.mktmpdir do |root|
+				root = Dir.mktmpdir
+
+				begin
 					@root = root
+
 					super(&block)
+				ensure
 					@root = nil
+
+					# Use forced removal so cleanup tolerates paths which were already removed by the test or an external process.
+					FileUtils.remove_entry(root, true)
 				end
 			end
 
@@ -24,4 +32,3 @@ def around(&block)
 		end
 	end
 end
-

releases.md

@@ -1,5 +1,9 @@
 # Releases
 
+## Unreleased
+
+  - Make `Sus::Fixtures::TemporaryDirectoryContext` ignore temporary directory cleanup failures.
+
 ## v0.37.1
 
   - Fixed `Sus::Mock#wrap` to forward blocks to the original method, and fixed `receive(...).with_block(...)` to use the supplied predicate.

test/sus/fixtures/temporary_directory_context.rb

@@ -8,6 +8,8 @@
 describe Sus::Fixtures::TemporaryDirectoryContext do
 	include Sus::Fixtures::TemporaryDirectoryContext
 
+	let(:assertions) {Sus::Assertions.new(output: Sus::Output.buffered)}
+
 	it "creates a temporary directory" do
 		expect(root).not.to be(:nil?)
 		expect(root).to be_a(String)
@@ -26,4 +28,37 @@
 		expect(File.exist?(test_file)).to be == true
 		expect(File.read(test_file)).to be == "test content"
 	end
+
+	it "removes the temporary directory after use" do
+		context = Sus.base("temporary directory")
+		context.include(Sus::Fixtures::TemporaryDirectoryContext)
+		instance = context.new(assertions)
+
+		root = nil
+
+		instance.around do
+			root = instance.root
+
+			expect(File.directory?(root)).to be == true
+		end
+
+		expect(File.exist?(root)).to be == false
+	end
+
+	it "tolerates already removed temporary directories during cleanup" do
+		context = Sus.base("temporary directory")
+		context.include(Sus::Fixtures::TemporaryDirectoryContext)
+		instance = context.new(assertions)
+
+		root = nil
+
+		expect do
+			instance.around do
+				root = instance.root
+				FileUtils.remove_entry(root)
+			end
+		end.not.to raise_exception
+
+		expect(File.exist?(root)).to be == false
+	end
 end