1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#include "blob_mock.hpp"
#include "manager.hpp"
#include <gtest/gtest.h>
namespace blobs
{
using ::testing::_;
using ::testing::Return;
TEST(ManagerDeleteTest, FileIsOpenReturnsFailure)
{
// The blob manager maintains a naive list of open files and will
// return failure if you try to delete an open file.
// Open the file.
BlobManager mgr;
std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
auto m1ptr = m1.get();
EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
uint16_t flags = OpenFlags::read, sess;
std::string path = "/asdf/asdf";
EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillRepeatedly(Return(true));
EXPECT_CALL(*m1ptr, open(_, flags, path)).WillOnce(Return(true));
EXPECT_TRUE(mgr.open(flags, path, &sess));
// Try to delete the file.
EXPECT_FALSE(mgr.deleteBlob(path));
}
TEST(ManagerDeleteTest, FileHasNoHandler)
{
// The blob manager cannot find any handler.
BlobManager mgr;
std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
auto m1ptr = m1.get();
EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
std::string path = "/asdf/asdf";
EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillOnce(Return(false));
// Try to delete the file.
EXPECT_FALSE(mgr.deleteBlob(path));
}
TEST(ManagerDeleteTest, FileIsNotOpenButHandlerDeleteFails)
{
// The Blob manager finds the handler but the handler returns failure
// on delete.
BlobManager mgr;
std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
auto m1ptr = m1.get();
EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
std::string path = "/asdf/asdf";
EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillOnce(Return(true));
EXPECT_CALL(*m1ptr, deleteBlob(path)).WillOnce(Return(false));
// Try to delete the file.
EXPECT_FALSE(mgr.deleteBlob(path));
}
TEST(ManagerDeleteTest, FileIsNotOpenAndHandlerSucceeds)
{
// The Blob manager finds the handler and the handler returns success.
BlobManager mgr;
std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
auto m1ptr = m1.get();
EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
std::string path = "/asdf/asdf";
EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillOnce(Return(true));
EXPECT_CALL(*m1ptr, deleteBlob(path)).WillOnce(Return(true));
// Try to delete the file.
EXPECT_TRUE(mgr.deleteBlob(path));
}
TEST(ManagerDeleteTest, DeleteWorksAfterOpenClose)
{
// The Blob manager is able to decrement the ref count and delete.
BlobManager mgr;
std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
auto m1ptr = m1.get();
EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
uint16_t flags = OpenFlags::read, sess;
std::string path = "/asdf/asdf";
EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillRepeatedly(Return(true));
EXPECT_CALL(*m1ptr, open(_, flags, path)).WillOnce(Return(true));
EXPECT_CALL(*m1ptr, close(_)).WillOnce(Return(true));
EXPECT_CALL(*m1ptr, deleteBlob(path)).WillOnce(Return(true));
EXPECT_TRUE(mgr.open(flags, path, &sess));
EXPECT_TRUE(mgr.close(sess));
// Try to delete the file.
EXPECT_TRUE(mgr.deleteBlob(path));
}
} // namespace blobs
|
