Function TEST_P

src/tests/resources_tests.cpp:2595–2670

TEST_P(DiskResourcesSourceTest, SourceIdentity)
{
  auto parameters = GetParam();

  Resource::DiskInfo::Source::Type type = std::get<0>(parameters);
  bool hasVendor = std::get<1>(parameters);
  bool hasIdentity = std::get<2>(parameters);
  bool hasProfile = std::get<3>(parameters);

  // Create a disk, possibly with an id to signify identity.
  Resource::DiskInfo::Source source;
  source.set_type(type);

  if (hasVendor) {
    source.set_vendor("vendor");
  }

  if (hasIdentity) {
    source.set_id("id");
  }

  if (hasProfile) {
    source.set_profile("profile");
  }

  // Create two disk resources with the created source.
  Resource disk1 = Resources::parse("disk", "1", "*").get();
  disk1.mutable_disk()->mutable_source()->CopyFrom(source);
  const Resources r1 = disk1;

  EXPECT_TRUE(r1.contains(r1));

  Resource disk2 = Resources::parse("disk", "2", "*").get();
  disk2.mutable_disk()->mutable_source()->CopyFrom(source);
  const Resources r2 = disk2;

  // We perform three checks here: checks involving `r1` and `r2`
  // test subtraction semantics while tests of the size of the
  // resources test addition semantics.
  switch (type) {
    case Resource::DiskInfo::Source::RAW: {
      if (hasIdentity) {
        // `RAW` resources with source identity cannot be added or split.
        EXPECT_FALSE(r2.contains(r1));
        EXPECT_NE(r2, r1 + r1);
        EXPECT_EQ(2u, (r1 + r1).size());
      } else {
        // `RAW` resources without source identity can be added and split.
        EXPECT_TRUE(r2.contains(r1));
        EXPECT_EQ(r2, r1 + r1);
        EXPECT_EQ(1u, (r1 + r1).size());
      }
      break;
    }
    case Resource::DiskInfo::Source::BLOCK:
    case Resource::DiskInfo::Source::MOUNT: {
      // `BLOCK` or `MOUNT` resources cannot be added or split,
      // regardless of identity.