1 files changed, 48 insertions, 0 deletions
diff --git a/src/fluent-bit/tests/internal/file.c b/src/fluent-bit/tests/internal/file.c
new file mode 100644
index 000000000..974c26687
--- /dev/null
+++ b/src/fluent-bit/tests/internal/file.c
@@ -0,0 +1,48 @@
+#include <fluent-bit/flb_file.h>
+#include <fluent-bit/flb_sds.h>
+#include <string.h>
+
+#include "flb_tests_internal.h"
+#include "fluent-bit/stream_processor/flb_sp.h"
+
+#define TEXT_FILE    FLB_TESTS_DATA_PATH "/data/file/text_file.txt"
+#define EMPTY_FILE    FLB_TESTS_DATA_PATH "/data/file/empty_file.txt"
+
+static void check_equals(flb_sds_t result, const char *expected)
+{
+    size_t expected_len = strlen(expected);
+    size_t result_len = flb_sds_len(result);
+    TEST_CHECK(expected_len == result_len);
+    TEST_MSG("Expected length: %zu", expected_len);
+    TEST_MSG("Actual length:   %zu", result_len);
+    TEST_CHECK(memcmp(result, expected, expected_len) == 0);
+    TEST_MSG("Expected: %s", expected);
+    TEST_MSG("Actual:   %s", result);
+}
+
+static void test_file_read_text_file()
+{
+    flb_sds_t result = flb_file_read(TEXT_FILE);
+    check_equals(result, "Some text file\n\nline 3\n\nline 5\n");
+    flb_sds_destroy(result);
+}
+
+static void test_file_read_empty_file()
+{
+    flb_sds_t result = flb_file_read(EMPTY_FILE);
+    check_equals(result, "");
+    flb_sds_destroy(result);
+}
+
+static void test_file_read_missing()
+{
+    flb_sds_t result = flb_file_read(TEXT_FILE ".missing");
+    TEST_CHECK(result == NULL);
+}
+
+TEST_LIST = {
+    { "file_read_text_file" , test_file_read_text_file},
+    { "file_read_empty_file" , test_file_read_empty_file},
+    { "file_read_missing" , test_file_read_missing},
+    { 0 }
+};