1 files changed, 114 insertions, 0 deletions
diff --git a/src/test/common/test_blkdev.cc b/src/test/common/test_blkdev.cc
new file mode 100644
index 000000000..733273ad4
--- /dev/null
+++ b/src/test/common/test_blkdev.cc
@@ -0,0 +1,114 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <linux/kdev_t.h>
+
+#include "include/types.h"
+#include "common/blkdev.h"
+
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+#include <iostream>
+
+using namespace std;
+using namespace testing;
+
+class MockBlkDev : public BlkDev {
+ public:
+  // pass 0 as fd, so it won't try to use the empty devname
+  MockBlkDev() : BlkDev(0) {};
+  virtual ~MockBlkDev() {}
+
+  MOCK_CONST_METHOD0(sysfsdir, const char*());
+  MOCK_CONST_METHOD2(wholedisk, int(char* device, size_t max));
+};
+
+
+class BlockDevTest : public ::testing::Test {
+public:
+  string *root;
+
+protected:
+  virtual void SetUp() {
+    const char *sda_name = "sda";
+    const char *sdb_name = "sdb";
+    const char* env = getenv("CEPH_ROOT");
+    ASSERT_NE(env, nullptr) << "Environment Variable CEPH_ROOT not found!";
+    root = new string(env);
+    *root += "/src/test/common/test_blkdev_sys_block/sys";
+
+    EXPECT_CALL(sda, sysfsdir())
+      .WillRepeatedly(Return(root->c_str()));
+    EXPECT_CALL(sda, wholedisk(NotNull(), Ge(0ul)))
+      .WillRepeatedly(
+        DoAll(
+          SetArrayArgument<0>(sda_name, sda_name + strlen(sda_name) + 1),
+          Return(0)));
+
+    EXPECT_CALL(sdb, sysfsdir())
+      .WillRepeatedly(Return(root->c_str()));
+    EXPECT_CALL(sdb, wholedisk(NotNull(), Ge(0ul)))
+      .WillRepeatedly(
+        DoAll(
+          SetArrayArgument<0>(sdb_name, sdb_name + strlen(sdb_name) + 1),
+          Return(0)));
+  }
+
+  virtual void TearDown() {
+    delete root;
+  }
+
+  MockBlkDev sda, sdb;
+};
+
+TEST_F(BlockDevTest, device_model)
+{
+  char model[1000] = {0};
+  int rc = sda.model(model, sizeof(model));
+  ASSERT_EQ(0, rc);
+  ASSERT_STREQ(model, "myfancymodel");
+}
+
+TEST_F(BlockDevTest, discard)
+{
+  EXPECT_TRUE(sda.support_discard());
+  EXPECT_TRUE(sdb.support_discard());
+}
+
+TEST_F(BlockDevTest, is_rotational)
+{
+  EXPECT_FALSE(sda.is_rotational());
+  EXPECT_TRUE(sdb.is_rotational());
+}
+
+TEST(blkdev, _decode_model_enc)
+{
+
+  const char *foo[][2] = {
+    { "WDC\\x20WDS200T2B0A-00SM50\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20\\x20",
+      "WDC_WDS200T2B0A-00SM50" },
+    { 0, 0},
+  };
+
+  for (unsigned i = 0; foo[i][0]; ++i) {
+    std::string d = _decode_model_enc(foo[i][0]);
+    cout << " '" << foo[i][0] << "' -> '" << d << "'" << std::endl;
+    ASSERT_EQ(std::string(foo[i][1]), d);
+  }
+}
+
+TEST(blkdev, get_device_id)
+{
+  // this doesn't really test anything; it's just a way to exercise the
+  // get_device_id() code.
+  for (char c = 'a'; c < 'z'; ++c) {
+    char devname[4] = {'s', 'd', c, 0};
+    std::string err;
+    auto i = get_device_id(devname, &err);
+    cout << "devname " << devname << " -> '" << i
+	 << "' (" << err << ")" << std::endl;
+  }
+}