test: unit test for echo command
Provide a unit test for the unit command
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/test/cmd/test_echo.c b/test/cmd/test_echo.c
new file mode 100644
index 0000000..4183cf7
--- /dev/null
+++ b/test/cmd/test_echo.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for echo command
+ *
+ * Copyright 2020, Heinrich Schuchadt <xypron.glpk@gmx.de>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <display_options.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct test_data {
+ char *cmd;
+ char *expected;
+};
+
+static struct test_data echo_data[] = {
+ {"echo 1 2 3",
+ "1 2 3"},
+ /* Test new line handling */
+ {"echo -n 1 2 3; echo a b c",
+ "1 2 3a b c"},
+ /*
+ * Test handling of environment variables.
+ *
+ * j, q, x are among the least frequent letters in English.
+ * Hence no collision for the variable name jQx is expected.
+ */
+ {"setenv jQx X; echo \"a)\" ${jQx} 'b)' '${jQx}' c) ${jQx}; setenv jQx",
+ "a) X b) ${jQx} c) X"},
+ /* Test handling of shell variables. */
+ {"setenv jQx; for jQx in 1 2 3; do echo -n \"${jQx}, \"; done; echo;",
+ "1, 2, 3, "},
+};
+
+static int lib_test_hush_echo(struct unit_test_state *uts)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(echo_data); ++i) {
+ console_record_reset_enable();
+ ut_assertok(run_command(echo_data[i].cmd, 0));
+ gd->flags &= ~GD_FLG_RECORD;
+ console_record_readline(uts->actual_str,
+ sizeof(uts->actual_str));
+ ut_asserteq_str(echo_data[i].expected, uts->actual_str);
+ ut_assertok(ut_check_console_end(uts));
+ }
+ return 0;
+}
+
+LIB_TEST(lib_test_hush_echo, 0);