Add simple integration tests

tests/test.sh

@@ -0,0 +1,135 @@
+#!/bin/bash
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+fd="${SCRIPT_DIR}/../target/debug/fd"
+
+export reset='\x1b[0m'
+export bold='\x1b[01m'
+export green='\x1b[32;01m'
+export red='\x1b[31;01m'
+
+set -eou pipefail
+
+suite() {
+    echo
+    echo -e "${bold}$1${reset}"
+    echo
+}
+
+expect() {
+    expected_output="$1"
+    shift
+
+    tmp_expected="$(mktemp)"
+    tmp_output="$(mktemp)"
+
+    echo "$expected_output" > "$tmp_expected"
+
+    "$fd" "$@" | sort > "$tmp_output"
+
+    echo -ne "  ${bold}▶${reset} Testing 'fd $*' ... "
+
+    if diff -q "$tmp_expected" "$tmp_output" > /dev/null; then
+        echo -e "${green}✓ okay${reset}"
+    else
+        echo -e "${red}❌FAILED${reset}"
+
+        echo -ne "\nShowing diff between ${red}expected${reset} and "
+        echo -e "${green}actual${reset} output:\n"
+
+        diff -C3 --label expected --label actual --color \
+            "$tmp_expected" "$tmp_output" || true
+        # exit 1
+    fi
+}
+
+root=$(mktemp --directory)
+
+cd "$root"
+
+# Setup test environment
+
+mkdir -p one/two/three
+
+touch a.cpp
+touch one/b.cpp
+touch one/two/c.cpp
+touch one/two/C.cpp
+touch one/two/three/d.cpp
+touch ignored.cpp
+
+touch .hidden.cpp
+
+echo "ignored.cpp" > .gitignore
+
+ln -s one/two symlink
+
+
+# Run the tests
+
+suite "Simple tests"
+expect "a.cpp" a.cpp
+expect "one/b.cpp" b.cpp
+expect "one/two/three/d.cpp" d.cpp
+expect "a.cpp
+one/b.cpp
+one/two/c.cpp
+one/two/C.cpp
+one/two/three/d.cpp" cpp
+
+
+suite "Smart case"
+expect "one/two/c.cpp
+one/two/C.cpp" c.cpp
+expect "one/two/C.cpp" C.cpp
+
+
+suite "Case-sensitivity (--sensitive)"
+expect "one/two/C.cpp" --sensitive C.cpp
+
+
+suite "Hidden files (--hidden)"
+expect "a.cpp
+.hidden.cpp
+one/b.cpp
+one/two/c.cpp
+one/two/C.cpp
+one/two/three/d.cpp" --hidden cpp
+
+
+suite "Ignored files (--no-ignore)"
+expect "a.cpp
+ignored.cpp
+one/b.cpp
+one/two/c.cpp
+one/two/C.cpp
+one/two/three/d.cpp" --no-ignore cpp
+
+expect "a.cpp
+.hidden.cpp
+ignored.cpp
+one/b.cpp
+one/two/c.cpp
+one/two/C.cpp
+one/two/three/d.cpp" --hidden --no-ignore cpp
+
+
+suite "Symlinks (--follow)"
+expect "one/two/c.cpp
+one/two/C.cpp
+symlink/c.cpp
+symlink/C.cpp" --follow c.cpp
+
+
+suite "Maximum depth (--max-depth)"
+expect "a.cpp
+one/b.cpp
+one/two/c.cpp
+one/two/C.cpp" --max-depth 3
+expect "a.cpp
+one/b.cpp" --max-depth 2
+expect "a.cpp" --max-depth 1
+
+# All done
+echo