1 files changed, 26 insertions, 0 deletions
diff --git a/test/test_helper.sh b/test/test_helper.sh
new file mode 100644
index 0000000..579780c
--- /dev/null
+++ b/test/test_helper.sh
@@ -0,0 +1,26 @@
+setUp() {
+    tmpdir=$(mktemp -d)
+    log="$tmpdir/log"
+}
+
+tearDown() {
+    rm -rf "$tmpdir"
+}
+
+assertPasses() {
+    local rc=0
+    "$@" > "$log" 2>&1 || rc=$?
+    if [ "$rc" -ne 0 ]; then
+        cat "$log"
+        fail "command failed: «$*» (expected pass)"
+    fi
+}
+
+assertFails() {
+    local rc=0
+    "$@" > "$log" 2>&1 || rc=$?
+    if [ "$rc" -eq 0 ]; then
+        cat "$log"
+        fail "command passed: «$*» (expected fail)"
+    fi
+}