Update dotfile option parsing and complete tests

test/lib/parse-dotfile-options-test.sh

@@ -1,6 +1,7 @@
 #! /usr/bin/env bash
 source "../test-helper.sh"
 source "../../src/lib/parse-dotfile-options.sh"
+source "../../src/lib/trim.sh"
 
 #
 # parse-dotfile-options()
@@ -16,6 +17,73 @@ assert 'echo "$OPT_DEFAULT_ACTION"' \
   "parse-dotfile-default_action-option stub: "
 
 restore "parse-dotfile-root_link-option"
-restore "parse-dotfile-default_link-option"
+restore "parse-dotfile-default_action-option"
+
 
 assert_end "parse-dotfile-options()"
+
+
+#
+# parse-dotfile-option()
+#
+
+# Create temp files/folders used for locate-dotfile() tests.
+mkdir -p "test-tmp/with" "test-tmp/without"
+echo -e "foo_bar .things\nlink: foo -> .foo" > "test-tmp/with/Dotfile"
+echo -e "link: foo -> .foo" > "test-tmp/without/Dotfile"
+
+# When $DOTFILE contains root_link option.
+DOTFILE="test-tmp/with/Dotfile"
+assert 'parse-dotfile-option foo_bar .none' ".things"
+unset DOTFILE
+
+# When $DOTFILE does not contain root_link option.
+DOTFILE="test-tmp/without/Dotfile"
+assert 'parse-dotfile-option foo_bar .none' ".none"
+unset DOTFILE
+
+# When Dotfile to parse is specified as argument.
+assert 'parse-dotfile-option foo_bar .none test-tmp/with/Dotfile' ".things"
+assert 'parse-dotfile-option foo_bar .none test-tmp/without/Dotfile' ".none"
+
+# When option is wrapped across multiple lines with a backslash.
+echo 'foo_bar \'         > "test-tmp/with/Dotfile"
+echo '  .things'        >> "test-tmp/with/Dotfile"
+echo 'link: foo -> bar' >> "test-tmp/with/Dotfile"
+DOTFILE="test-tmp/with/Dotfile"
+assert 'parse-dotfile-option foo_bar .none' ".things"
+unset DOTFILE
+
+# Remove temp files/folders used for locate-dotfile() tests.
+rm "test-tmp/with/Dotfile" "test-tmp/without/Dotfile"
+rmdir "test-tmp/with" "test-tmp/without" "test-tmp"
+
+assert_end "parse-dotfile-option()"
+
+
+#
+# parse-dotfile-root_link-option()
+#
+
+stub "parse-dotfile-option"
+assert 'parse-dotfile-root_link-option' \
+  'parse-dotfile-option stub: root_link .dotfiles '
+assert 'parse-dotfile-root_link-option "test-tmp/with/Dotfile"' \
+  'parse-dotfile-option stub: root_link .dotfiles test-tmp/with/Dotfile'
+restore "parse-dotfile-option"
+
+assert_end "parse-dotfile-root_link-option()"
+
+
+#
+# parse-dotfile-default_action-option()
+#
+
+stub "parse-dotfile-option"
+assert 'parse-dotfile-default_action-option' \
+  'parse-dotfile-option stub: default_action link '
+assert 'parse-dotfile-default_action-option "test-tmp/with/Dotfile"' \
+  'parse-dotfile-option stub: default_action link test-tmp/with/Dotfile'
+restore "parse-dotfile-option"
+
+assert_end "parse-dotfile-default_action-option()"