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diff --git a/.config/fisher/github.com/matchai/spacefish/tests/__sf_section_dir.test.fish b/.config/fisher/github.com/matchai/spacefish/tests/__sf_section_dir.test.fish
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+source $DIRNAME/spacefish_test_setup.fish
+
+function setup
+	spacefish_test_setup
+	mkdir -p ~/.tmp-spacefish/dir1/dir2
+	mkdir -p /tmp/tmp-spacefish/dir1/dir2/dir3
+	mkdir -p /tmp/tmp-spacefish/writeProtected
+	chmod 500 /tmp/tmp-spacefish/writeProtected
+	# disabling SPACEFISH_DIR_LOCK_SYMBOL to avoid breaking old tests
+	set SPACEFISH_DIR_LOCK_SHOW false
+end
+
+function teardown
+	rm -rf ~/.tmp-spacefish
+	rm -rf /tmp/tmp-spacefish
+end
+
+#
+# Home directory
+#
+
+test "Correctly truncates home directory"
+	(
+		cd ~
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "~"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a home subdirectory"
+	(
+		cd ~/.tmp-spacefish/dir1/
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "~/.tmp-spacefish/dir1"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a deeply nested home subdirectory"
+	(
+		cd ~/.tmp-spacefish/dir1/dir2
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n ".tmp-spacefish/dir1/dir2"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+#
+# Root directory
+#
+
+test "Correctly truncates root directory"
+	(
+		cd /
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "/"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a root subdirectory"
+	(
+		cd /usr
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "/usr"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a deeply nested root subdirectory"
+	(
+		cd /tmp/tmp-spacefish/dir1/dir2
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp-spacefish/dir1/dir2"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+#
+# Git directory
+#
+
+test "Correctly truncates the root of a git directory"
+	(
+		cd /tmp/tmp-spacefish
+		command git init >/dev/null
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp-spacefish"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a git subdirectory"
+	(
+		cd /tmp/tmp-spacefish
+		command git init >/dev/null
+		cd /tmp/tmp-spacefish/dir1
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp-spacefish/dir1"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates a deeply nested git subdirectory"
+	(
+		cd /tmp/tmp-spacefish
+		command git init >/dev/null
+		cd /tmp/tmp-spacefish/dir1/dir2/dir3
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "dir1/dir2/dir3"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Correctly truncates the root of a git directory within another"
+	(
+		cd /tmp/tmp-spacefish
+		command git init >/dev/null
+
+		cd /tmp/tmp-spacefish/dir1
+		command git init >/dev/null
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "dir1"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Doesn't throw an error when in a .git directory"
+	(
+		cd /tmp/tmp-spacefish
+		command git init >/dev/null
+
+		cd /tmp/tmp-spacefish/.git
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp/tmp-spacefish/.git"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+
+#
+# Configuration
+#
+
+test "Doesn't show if SPACEFISH_DIR_SHOW is false"
+	(
+		set SPACEFISH_DIR_SHOW false
+	) = (__sf_section_dir)
+end
+
+test "Changing SPACEFISH_DIR_PREFIX changes the dir prefix"
+	(
+		set SPACEFISH_DIR_PREFIX ·
+		cd ~
+
+		set_color --bold
+		echo -n "·"
+		set_color normal
+		set_color --bold cyan
+		echo -n "~"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Changing SPACEFISH_DIR_SUFFIX changes the dir prefix"
+	(
+		set SPACEFISH_DIR_SUFFIX ·
+		cd ~
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "~"
+		set_color normal
+		set_color --bold
+		echo -n "·"
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+# SPACEFISH_DIR_TRUNC functionality is further tested in:
+# __sf_util_truncate_dir.test.fish
+test "Changing SPACEFISH_DIR_TRUNC changes the dir length"
+	(
+		set SPACEFISH_DIR_TRUNC 1
+		cd /tmp/tmp-spacefish/dir1/dir2/dir3
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "dir3"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Disabling SPACEFISH_DIR_TRUNC_REPO stops repo dir truncation"
+	(
+		set SPACEFISH_DIR_TRUNC_REPO false
+		cd ~/.tmp-spacefish
+		command git init >/dev/null
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "~/.tmp-spacefish"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Changing SPACEFISH_DIR_COLOR changes the dir color"
+	(
+		set SPACEFISH_DIR_COLOR red
+		cd ~
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold red
+		echo -n "~"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+
+#
+# SPACEFISH_DIR_LOCK_SYMBOL
+#
+
+test "Shows DIR_LOCK_SYMBOL if in a dir with no write permissions and SPACEFISH_DIR_LOCK_SHOW is true"
+	(
+		cd /tmp/tmp-spacefish/writeProtected
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp/tmp-spacefish/writeProtected"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Doesn't show DIR_LOCK_SYMBOL if SPACEFISH_DIR_LOCK_SHOW is false"
+	(
+		cd /tmp/tmp-spacefish/writeProtected
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp/tmp-spacefish/writeProtected"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Doesn't show DIR_LOCK_SYMBOL if current directory is not write protected for this user"
+	(
+		cd ~
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "~"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end
+
+test "Changing SPACEFISH_DIR_LOCK_SYMBOL changes the symbol"
+	(
+		set SPACEFISH_DIR_LOCK_SYMBOL "😀"
+		cd /tmp/tmp-spacefish/writeProtected
+
+		set_color --bold
+		echo -n "in "
+		set_color normal
+		set_color --bold cyan
+		echo -n "tmp/tmp-spacefish/writeProtected"
+		set_color normal
+		set_color --bold
+		echo -n " "
+		set_color normal
+	) = (__sf_section_dir)
+end