From 752230d7288cd8efd7606f7c4032077590fbac0f Mon Sep 17 00:00:00 2001
From: Jan Sucan <jan@jansucan.com>
Date: Sat, 5 Mar 2022 12:30:59 +0100
Subject: tests: Add option parsing tests

---
 tests/assert.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tests/assert.sh

(limited to 'tests/assert.sh')

diff --git a/tests/assert.sh b/tests/assert.sh
new file mode 100644
index 0000000..ba73f41
--- /dev/null
+++ b/tests/assert.sh
@@ -0,0 +1,19 @@
+function assert_error()
+{
+    expected_stderr="$1"
+
+    shift 1
+    actual_stderr="$("$@" 2>&1 1>/dev/null)"
+    retval=$?
+    is_stderr_expected="$(echo "$actual_stderr" | grep -i "$expected_stderr")"
+
+    if [ $retval -eq 0 ]; then
+        echo "assert_error: Return value is $retval, expected != 0"
+        exit 1
+    elif [ -z "$is_stderr_expected" ]; then
+        echo "assert_error: stderr does not contain expected string"
+        echo "      actual: $actual_stderr"
+        echo "    expected: $expected_stderr"
+        exit 1
+    fi
+}
-- 
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