build-support/writeTextFile: add test for weird file names

pkgs/build-support/trivial-builders/test/write-text-file.nix

@@ -0,0 +1,34 @@
+{ writeTextFile }:
+let
+  veryWeirdName = ''here's a name with some "bad" characters, like spaces and quotes'';
+in writeTextFile {
+  name = "weird-names";
+  destination = "/etc/${veryWeirdName}";
+  text = ''passed!'';
+  checkPhase = ''
+    # intentionally hardcode everything here, to make sure
+    # Nix does not mess with file paths
+
+    name="here's a name with some \"bad\" characters, like spaces and quotes"
+    fullPath="$out/etc/$name"
+
+    if [ -f "$fullPath" ]; then
+      echo "[PASS] File exists!"
+    else
+      echo "[FAIL] File was not created at expected path!"
+      exit 1
+    fi
+
+    content=$(<"$fullPath")
+    expected="passed!"
+
+    if [ "$content" = "$expected" ]; then
+      echo "[PASS] Contents match!"
+    else
+      echo "[FAIL] File contents don't match!"
+      echo "       Expected: $expected"
+      echo "       Got:      $content"
+      exit 2
+    fi
+  '';
+}

pkgs/test/default.nix

@@ -59,6 +59,7 @@ with pkgs;
 
   trivial-builders = recurseIntoAttrs {
     writeStringReferencesToFile = callPackage ../build-support/trivial-builders/test/writeStringReferencesToFile.nix {};
+    writeTextFile = callPackage ../build-support/trivial-builders/test/write-text-file.nix {};
     references = callPackage ../build-support/trivial-builders/test/references.nix {};
     overriding = callPackage ../build-support/trivial-builders/test-overriding.nix {};
     concat = callPackage ../build-support/trivial-builders/test/concat-test.nix {};