Add tests for locate-* functions

test/lib/internals-test.sh

@@ -0,0 +1,89 @@
+#! /usr/bin/env bash
+source "../assert.sh"
+
+source "../../src/lib/internals.sh"
+
+# silent shortcut to "cd -"
+cd-back() {
+  cd - 1>/dev/null
+}
+
+#
+# locate-dotfile()
+#
+
+# Create temp files/folders used for locate-dotfile() tests.
+mkdir -p "locate-dotfile-tests/without"
+mkdir -p "locate-dotfile-tests/with"
+touch "locate-dotfile-tests/with/Dotfile"
+
+# When $DOTFILE is empty and current path has a Dotfile.
+cd "locate-dotfile-tests/with"
+DOTFILE=""
+assert_raises 'locate-dotfile' 0
+assert 'locate-dotfile; echo "$DOTFILE"' "$(pwd)/Dotfile"
+unset DOTFILE
+cd-back
+
+# When $DOTFILE is empty and current path does not have a Dotfile.
+cd "locate-dotfile-tests/without"
+DOTFILE=""
+assert_raises 'locate-dotfile' 1
+assert 'locate-dotfile 2>&1' "ERROR: \"$(pwd)\" does not have a Dotfile."
+assert 'locate-dotfile; echo "$DOTFILE"' ""
+unset DOTFILE
+cd-back
+
+# When $DOTFILE is not empty and points at a existing Dotfile.
+DOTFILE="locate-dotfile-tests/with/Dotfile"
+assert_raises 'locate-dotfile' 0
+assert 'locate-dotfile; echo "$DOTFILE"' "$DOTFILE"
+unset DOTFILE
+
+# When $DOTFILE is not empty and points at a non-existing Dotfile.
+DOTFILE="locate-dotfile-tests/without/Dotfile"
+assert_raises 'locate-dotfile' 1
+assert 'locate-dotfile 2>&1' "ERROR: \"$DOTFILE\" does not exist."
+assert 'locate-dotfile; echo "$DOTFILE"' "$DOTFILE"
+unset DOTFILE
+
+# Remove temp files/folders used for locate-dotfile() tests.
+rm "locate-dotfile-tests/with/Dotfile"
+rmdir "locate-dotfile-tests/with"
+rmdir "locate-dotfile-tests/without"
+rmdir "locate-dotfile-tests"
+
+assert_end 'locate-dotfile()'
+
+
+#
+# locate-target()
+#
+
+# When $TARGET is empty.
+TARGET=""
+assert_raises 'locate-target' 0
+assert 'locate-target; echo "$TARGET"' "$HOME"
+unset TARGET
+
+# When $TARGET is not empty and is a directory.
+TARGET="$(pwd)"
+assert_raises 'locate-target' 0
+assert 'locate-target; echo "$TARGET"' "$(pwd)"
+unset TARGET
+
+# When $TARGET is not empty and is not a directory.
+TARGET="/tmp/this/does/not/exist"
+assert_raises 'locate-target' 1
+assert 'locate-target 2>&1' "ERROR: Target \"$TARGET\" is not a directory."
+assert 'locate-target; echo "$TARGET"' "$TARGET"
+unset TARGET
+
+# If neither $TARGET or $HOME is set, ~ is expanded to find home folder
+original_home="$HOME"
+unset HOME
+assert_raises 'locate-target' 0
+assert 'locate-target; echo "$TARGET"' "$original_home"
+HOME="$original_home"
+
+assert_end 'locate-target()'