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提交 d1e55de3 编写于 作者: E Eric Blake
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conf: another refactor of virstoragetest 

Another reduction in the number of structs I have to modify
when I start tracking new fields in virStorageFileMetadata.

* tests/virstoragetest.c (_testFileData): Add fields.
(testStorageChain): Select between fields based on flag.
(mymain): Record both absolute and relative expectations in one
struct.
Signed-off-by: NEric Blake <eblake@redhat.com>
上级 34861333
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Showing with 93 addition and 106 deletion
tests/virstoragetest.c
浏览文件 @ d1e55de3
......@@ -202,12 +202,18 @@ testPrepImages(void)
goto cleanup;
}
/* Many fields of virStorageFileMetadata have the same content whether
* we access the file relatively or absolutely; but file names differ
* depending on how the chain was opened. For ease of testing, we
* test both relative and absolute starts, and use a flag to say which
* of the two variations to compare against. */
typedef struct _testFileData testFileData;
struct _testFileData
{
const char *expBackingStore;
const char *expBackingStoreRaw;
const char *expDirectory;
const char *expDirectoryRel;
const char *expDirectoryAbs;
enum virStorageFileFormat expFormat;
bool expIsFile;
unsigned long long expCapacity;
......@@ -219,13 +225,14 @@ enum {
EXP_FAIL = 1,
EXP_WARN = 2,
ALLOW_PROBE = 4,
ABS_START = 8,
};
struct testChainData
{
const char *start;
enum virStorageFileFormat format;
const testFileData *files[5];
const testFileData *files[4];
int nfiles;
unsigned int flags;
};
......@@ -239,6 +246,7 @@ testStorageChain(const void *args)
virStorageFileMetadataPtr elt;
size_t i = 0;
char *broken = NULL;
bool abs = !!(data->flags & ABS_START);
meta = virStorageFileGetMetadata(data->start, data->format, -1, -1,
(data->flags & ALLOW_PROBE) != 0);
......@@ -277,17 +285,20 @@ testStorageChain(const void *args)
while (elt) {
char *expect = NULL;
char *actual = NULL;
const char *expDirectory;
if (i == data->nfiles) {
fprintf(stderr, "probed chain was too long\n");
goto cleanup;
}
expDirectory = abs ? data->files[i]->expDirectoryAbs
: data->files[i]->expDirectoryRel;
if (virAsprintf(&expect,
"store:%s\nraw:%s\ndirectory:%s\nother:%d %d %lld %d",
NULLSTR(data->files[i]->expBackingStore),
NULLSTR(data->files[i]->expBackingStoreRaw),
NULLSTR(data->files[i]->expDirectory),
NULLSTR(expDirectory),
data->files[i]->expFormat,
data->files[i]->expIsFile,
data->files[i]->expCapacity,
......@@ -364,9 +375,9 @@ mymain(void)
VIR_FLATTEN_1(chain1)); \
TEST_ONE_CHAIN(#id "b", relstart, format, flags2, \
VIR_FLATTEN_1(chain2)); \
TEST_ONE_CHAIN(#id "c", absstart, format, flags3, \
TEST_ONE_CHAIN(#id "c", absstart, format, flags3 | ABS_START,\
VIR_FLATTEN_1(chain3)); \
TEST_ONE_CHAIN(#id "d", absstart, format, flags4, \
TEST_ONE_CHAIN(#id "d", absstart, format, flags4 | ABS_START,\
VIR_FLATTEN_1(chain4)); \
} while (0)
......@@ -391,32 +402,25 @@ mymain(void)
(&raw), ALLOW_PROBE | EXP_PASS);
/* Qcow2 file with relative raw backing, format provided */
testFileData qcow2_relstart = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "raw",
.expDirectory = ".",
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
};
testFileData qcow2_absstart = {
testFileData qcow2 = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "raw",
.expDirectory = datadir,
.expDirectoryRel = ".",
.expDirectoryAbs = datadir,
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
};
TEST_CHAIN(3, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_relstart, &raw), EXP_PASS,
(&qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2_absstart, &raw), EXP_PASS,
(&qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(4, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
(&raw), EXP_PASS,
(&qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&raw), EXP_PASS,
(&qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 file to use absolute backing name */
virCommandFree(cmd);
......@@ -424,36 +428,36 @@ mymain(void)
"-F", "raw", "-b", absraw, "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_relstart.expBackingStoreRaw = absraw;
qcow2_relstart.expDirectory = datadir;
qcow2_absstart.expBackingStoreRaw = absraw;
qcow2.expBackingStoreRaw = absraw;
qcow2.expDirectoryRel = datadir;
/* Qcow2 file with raw as absolute backing, backing format provided */
TEST_CHAIN(5, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_relstart, &raw), EXP_PASS,
(&qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2_absstart, &raw), EXP_PASS,
(&qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(6, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
(&raw), EXP_PASS,
(&qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&raw), EXP_PASS,
(&qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Wrapped file access */
testFileData wrap = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = absqcow2,
.expDirectory = datadir,
.expDirectoryRel = datadir,
.expDirectoryAbs = datadir,
.expFormat = VIR_STORAGE_FILE_QCOW2,
.expIsFile = true,
.expCapacity = 1024,
};
TEST_CHAIN(7, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap, &qcow2_relstart, &raw), EXP_PASS,
(&wrap, &qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap, &qcow2_absstart, &raw), EXP_PASS,
(&wrap, &qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&wrap, &qcow2, &raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap, &qcow2, &raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 and wrap file to omit backing file type */
virCommandFree(cmd);
......@@ -468,23 +472,23 @@ mymain(void)
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
wrap.expFormat = VIR_STORAGE_FILE_AUTO;
qcow2_relstart.expFormat = VIR_STORAGE_FILE_AUTO;
qcow2_absstart.expFormat = VIR_STORAGE_FILE_AUTO;
qcow2.expFormat = VIR_STORAGE_FILE_AUTO;
/* Qcow2 file with raw as absolute backing, backing format omitted */
testFileData wrap_as_raw = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = absqcow2,
.expDirectory = datadir,
.expDirectoryRel = datadir,
.expDirectoryAbs = datadir,
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
};
TEST_CHAIN(8, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap_as_raw, &raw), EXP_PASS,
(&wrap, &qcow2_relstart, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap_as_raw, &raw), EXP_PASS,
(&wrap, &qcow2_absstart, &raw), ALLOW_PROBE | EXP_PASS);
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 to a missing backing file, with backing type */
virCommandFree(cmd);
......@@ -493,17 +497,17 @@ mymain(void)
"qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_absstart.expBackingStore = NULL;
qcow2_absstart.expBackingStoreRaw = datadir "/bogus";
qcow2_absstart.expFormat = VIR_STORAGE_FILE_NONE;
qcow2_absstart.expIsFile = false;
qcow2.expBackingStore = NULL;
qcow2.expBackingStoreRaw = datadir "/bogus";
qcow2.expFormat = VIR_STORAGE_FILE_NONE;
qcow2.expIsFile = false;
/* Qcow2 file with missing backing file but specified type */
TEST_CHAIN(9, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_absstart), EXP_WARN,
(&qcow2_absstart), ALLOW_PROBE | EXP_WARN,
(&qcow2_absstart), EXP_WARN,
(&qcow2_absstart), ALLOW_PROBE | EXP_WARN);
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite qcow2 to a missing backing file, without backing type */
virCommandFree(cmd);
......@@ -514,10 +518,10 @@ mymain(void)
/* Qcow2 file with missing backing file and no specified type */
TEST_CHAIN(10, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_absstart), EXP_WARN,
(&qcow2_absstart), ALLOW_PROBE | EXP_WARN,
(&qcow2_absstart), EXP_WARN,
(&qcow2_absstart), ALLOW_PROBE | EXP_WARN);
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite qcow2 to use an nbd: protocol as backend */
virCommandFree(cmd);
......@@ -526,23 +530,25 @@ mymain(void)
"qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_absstart.expBackingStore = "nbd:example.org:6000";
qcow2_absstart.expBackingStoreRaw = NULL;
qcow2_absstart.expDirectory = NULL;
qcow2_absstart.expFormat = VIR_STORAGE_FILE_RAW;
qcow2.expBackingStore = "nbd:example.org:6000";
qcow2.expBackingStoreRaw = NULL;
qcow2.expDirectoryRel = NULL;
qcow2.expDirectoryAbs = NULL;
qcow2.expFormat = VIR_STORAGE_FILE_RAW;
/* Qcow2 file with backing protocol instead of file */
TEST_CHAIN(11, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_absstart), EXP_PASS,
(&qcow2_absstart), ALLOW_PROBE | EXP_PASS,
(&qcow2_absstart), EXP_PASS,
(&qcow2_absstart), ALLOW_PROBE | EXP_PASS);
(&qcow2), EXP_PASS,
(&qcow2), ALLOW_PROBE | EXP_PASS,
(&qcow2), EXP_PASS,
(&qcow2), ALLOW_PROBE | EXP_PASS);
/* qed file */
testFileData qed = {
.expBackingStore = canonraw,
.expBackingStoreRaw = absraw,
.expDirectory = datadir,
.expDirectoryRel = datadir,
.expDirectoryAbs = datadir,
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
......@@ -585,43 +591,29 @@ mymain(void)
ret = -1;
/* Behavior of symlinks to qcow2 with relative backing files */
testFileData link1_rel = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "../raw",
.expDirectory = "sub/../sub/..",
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
};
testFileData link1_abs = {
testFileData link1 = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "../raw",
.expDirectory = datadir "/sub/../sub/..",
.expDirectoryRel = "sub/../sub/..",
.expDirectoryAbs = datadir "/sub/../sub/..",
.expFormat = VIR_STORAGE_FILE_RAW,
.expIsFile = true,
.expCapacity = 1024,
};
testFileData link2_rel = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = "../sub/link1",
.expDirectory = "sub/../sub",
.expFormat = VIR_STORAGE_FILE_QCOW2,
.expIsFile = true,
.expCapacity = 1024,
};
testFileData link2_abs = {
testFileData link2 = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = "../sub/link1",
.expDirectory = datadir "/sub/../sub",
.expDirectoryRel = "sub/../sub",
.expDirectoryAbs = datadir "/sub/../sub",
.expFormat = VIR_STORAGE_FILE_QCOW2,
.expIsFile = true,
.expCapacity = 1024,
};
TEST_CHAIN(15, "sub/link2", abslink2, VIR_STORAGE_FILE_QCOW2,
(&link2_rel, &link1_rel, &raw), EXP_PASS,
(&link2_rel, &link1_rel, &raw), ALLOW_PROBE | EXP_PASS,
(&link2_abs, &link1_abs, &raw), EXP_PASS,
(&link2_abs, &link1_abs, &raw), ALLOW_PROBE | EXP_PASS);
(&link2, &link1, &raw), EXP_PASS,
(&link2, &link1, &raw), ALLOW_PROBE | EXP_PASS,
(&link2, &link1, &raw), EXP_PASS,
(&link2, &link1, &raw), ALLOW_PROBE | EXP_PASS);
#endif
/* Rewrite qcow2 to be a self-referential loop */
......@@ -630,23 +622,19 @@ mymain(void)
"-F", "qcow2", "-b", "qcow2", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_relstart.expBackingStore = NULL;
qcow2_relstart.expBackingStoreRaw = "qcow2";
qcow2_relstart.expDirectory = ".";
qcow2_relstart.expFormat= VIR_STORAGE_FILE_NONE;
qcow2_relstart.expIsFile = true;
qcow2_absstart.expBackingStore = NULL;
qcow2_absstart.expBackingStoreRaw = "qcow2";
qcow2_absstart.expDirectory = datadir;
qcow2_absstart.expFormat= VIR_STORAGE_FILE_NONE;
qcow2_absstart.expIsFile = true;
qcow2.expBackingStore = NULL;
qcow2.expBackingStoreRaw = "qcow2";
qcow2.expDirectoryRel = ".";
qcow2.expDirectoryAbs = datadir;
qcow2.expFormat= VIR_STORAGE_FILE_NONE;
qcow2.expIsFile = true;
/* Behavior of an infinite loop chain */
TEST_CHAIN(16, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2_relstart), EXP_WARN,
(&qcow2_relstart), ALLOW_PROBE | EXP_WARN,
(&qcow2_absstart), EXP_WARN,
(&qcow2_absstart), ALLOW_PROBE | EXP_WARN);
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite wrap and qcow2 to be mutually-referential loop */
virCommandFree(cmd);
......@@ -660,17 +648,16 @@ mymain(void)
"-F", "qcow2", "-b", absqcow2, "wrap", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_relstart.expBackingStoreRaw = "wrap";
qcow2_relstart.expDirectory = datadir;
qcow2_absstart.expBackingStoreRaw = "wrap";
qcow2.expBackingStoreRaw = "wrap";
qcow2.expDirectoryRel = datadir;
wrap.expFormat = VIR_STORAGE_FILE_QCOW2;
/* Behavior of an infinite loop chain */
TEST_CHAIN(17, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap, &qcow2_relstart), EXP_WARN,
(&wrap, &qcow2_relstart), ALLOW_PROBE | EXP_WARN,
(&wrap, &qcow2_absstart), EXP_WARN,
(&wrap, &qcow2_absstart), ALLOW_PROBE | EXP_WARN);
(&wrap, &qcow2), EXP_WARN,
(&wrap, &qcow2), ALLOW_PROBE | EXP_WARN,
(&wrap, &qcow2), EXP_WARN,
(&wrap, &qcow2), ALLOW_PROBE | EXP_WARN);
/* Final cleanup */
testCleanupImages();
......
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