A few tests for filesystem APIs

Author: igrr

tests/host/fs/test_fs.cpp

@@ -0,0 +1,59 @@
+//
+//  test_fs.cpp
+//  esp8266-host-tests
+//
+//  Created by Ivan Grokhotkov on 02/03/16.
+//  Copyright © 2016 esp8266.com. All rights reserved.
+//
+
+#include <catch.hpp>
+#include <FS.h>
+#include "../common/spiffs_mock.h"
+
+#define SPIFFS_SIZE (64*1024)
+#define SPIFFS_BLOCK (2*4096)
+#define SPIFFS_PAGE (512)
+#define SPIFFS_MOCK_DECLARE(size_kb, block_kb, page_b) SpiffsMock mock(size_kb * 1024, block_kb * 1024, page_b)
+
+TEST_CASE("FS can begin","[fs]")
+{
+    SPIFFS_MOCK_DECLARE(1024, 8, 512);
+    REQUIRE(SPIFFS.begin());
+}
+
+TEST_CASE("FS can create file","[fs]")
+{
+    SPIFFS_MOCK_DECLARE(1024, 8, 512);
+    REQUIRE(SPIFFS.begin());
+    {
+        File f = SPIFFS.open("config.txt", "w");
+        REQUIRE(f);
+    }
+    REQUIRE(SPIFFS.exists("config.txt"));
+}
+
+TEST_CASE("Files can be written and appended to","[fs]")
+{
+    SPIFFS_MOCK_DECLARE(1024, 8, 512);
+    REQUIRE(SPIFFS.begin());
+    {
+        File f = SPIFFS.open("config1.txt", "w");
+        f.println("file 1");
+        REQUIRE(f);
+    }
+    {
+        File f = SPIFFS.open("config1.txt", "a");
+        REQUIRE(f);
+        f.println("file 1 again");
+    }
+    {
+        File f = SPIFFS.open("config1.txt", "r");
+        REQUIRE(f);
+        char buf[128];
+        size_t len = f.read((uint8_t*)buf, sizeof(buf));
+        buf[len] = 0;
+        REQUIRE(strcmp(buf, "file 1\r\nfile 1 again\r\n") == 0);
+    }
+}
+
+