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virstoragetest: Rework TEST_LOOKUP* cases to work on fake backing chain
Rather than using 'qemu-img' and rewriting the chain we can use fake data and few empty files to ensure the same level of coverage. This is possible since we've already tested that the metadata parsing from files works properly and the only thing we are testing here is that the symlink resolution works properly. Additionally after the refactor of 'virstoragetest' is complete additional tests on real data will be added. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa
parent
d361234549
commit
0a67ae731a
@ -499,10 +499,11 @@ mymain(void)
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struct testLookupData data2;
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struct testPathRelativeBacking data4;
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struct testBackingParseData data5;
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virStorageSource *chain2; /* short for chain->backingStore */
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virStorageSource *chain3; /* short for chain2->backingStore */
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virStorageSource fakeChain[4];
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virStorageSource *chain = &fakeChain[0];
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virStorageSource *chain2 = &fakeChain[1];
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virStorageSource *chain3 = &fakeChain[2];
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g_autoptr(virCommand) cmd = NULL;
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g_autoptr(virStorageSource) chain = NULL;
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if (storageRegisterAll() < 0)
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return EXIT_FAILURE;
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@ -622,22 +623,29 @@ mymain(void)
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/* Behavior of an infinite loop chain */
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TEST_CHAIN("qcow2-qcow2_infinite-mutual", abswrap, VIR_STORAGE_FILE_QCOW2, EXP_FAIL);
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/* Rewrite wrap and qcow2 back to 3-deep chain, absolute backing */
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virCommandFree(cmd);
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cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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"-F", "raw", "-b", absraw, "qcow2", NULL);
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if (virCommandRun(cmd, NULL) < 0)
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ret = -1;
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/* Test behavior of chain lookups, absolute backing from relative start */
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chain = testStorageFileGetMetadata("wrap", VIR_STORAGE_FILE_QCOW2,
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-1, -1);
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if (!chain) {
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ret = -1;
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/* setup data for backing chain lookup testing */
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if (chdir(abs_srcdir "/virstoragetestdata/lookup") < 0) {
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fprintf(stderr, "unable to test relative backing chains\n");
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goto cleanup;
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}
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chain2 = chain->backingStore;
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chain3 = chain2->backingStore;
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memset(fakeChain, 0, sizeof(fakeChain));
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fakeChain[0].backingStore = &fakeChain[1];
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fakeChain[1].backingStore = &fakeChain[2];
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fakeChain[2].backingStore = &fakeChain[3];
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fakeChain[0].type = VIR_STORAGE_TYPE_FILE;
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fakeChain[1].type = VIR_STORAGE_TYPE_FILE;
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fakeChain[2].type = VIR_STORAGE_TYPE_FILE;
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fakeChain[0].format = VIR_STORAGE_FILE_QCOW2;
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fakeChain[1].format = VIR_STORAGE_FILE_QCOW2;
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fakeChain[2].format = VIR_STORAGE_FILE_RAW;
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/* backing chain with relative start and absolute backing paths */
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fakeChain[0].path = (char *) "wrap";
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fakeChain[1].path = (char *) abs_srcdir "/virstoragetestdata/lookup/qcow2";
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fakeChain[2].path = (char *) abs_srcdir "/virstoragetestdata/lookup/raw";
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#define TEST_LOOKUP_TARGET(id, target, from, name, index, meta, parent) \
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do { \
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@ -654,111 +662,87 @@ mymain(void)
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TEST_LOOKUP(2, NULL, "wrap", chain, NULL);
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TEST_LOOKUP(3, chain, "wrap", NULL, NULL);
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TEST_LOOKUP(4, chain2, "wrap", NULL, NULL);
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TEST_LOOKUP(5, NULL, abswrap, chain, NULL);
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TEST_LOOKUP(6, chain, abswrap, NULL, NULL);
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TEST_LOOKUP(7, chain2, abswrap, NULL, NULL);
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TEST_LOOKUP(5, NULL, abs_srcdir "/virstoragetestdata/lookup/wrap", chain, NULL);
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TEST_LOOKUP(6, chain, abs_srcdir "/virstoragetestdata/lookup/wrap", NULL, NULL);
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TEST_LOOKUP(7, chain2, abs_srcdir "/virstoragetestdata/lookup/wrap", NULL, NULL);
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TEST_LOOKUP(8, NULL, "qcow2", chain2, chain);
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TEST_LOOKUP(9, chain, "qcow2", chain2, chain);
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TEST_LOOKUP(10, chain2, "qcow2", NULL, NULL);
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TEST_LOOKUP(11, chain3, "qcow2", NULL, NULL);
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TEST_LOOKUP(12, NULL, absqcow2, chain2, chain);
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TEST_LOOKUP(13, chain, absqcow2, chain2, chain);
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TEST_LOOKUP(14, chain2, absqcow2, NULL, NULL);
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TEST_LOOKUP(15, chain3, absqcow2, NULL, NULL);
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TEST_LOOKUP(12, NULL, abs_srcdir "/virstoragetestdata/lookup/qcow2", chain2, chain);
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TEST_LOOKUP(13, chain, abs_srcdir "/virstoragetestdata/lookup/qcow2", chain2, chain);
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TEST_LOOKUP(14, chain2, abs_srcdir "/virstoragetestdata/lookup/qcow2", NULL, NULL);
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TEST_LOOKUP(15, chain3, abs_srcdir "/virstoragetestdata/lookup/qcow2", NULL, NULL);
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TEST_LOOKUP(16, NULL, "raw", chain3, chain2);
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TEST_LOOKUP(17, chain, "raw", chain3, chain2);
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TEST_LOOKUP(18, chain2, "raw", chain3, chain2);
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TEST_LOOKUP(19, chain3, "raw", NULL, NULL);
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TEST_LOOKUP(20, NULL, absraw, chain3, chain2);
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TEST_LOOKUP(21, chain, absraw, chain3, chain2);
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TEST_LOOKUP(22, chain2, absraw, chain3, chain2);
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TEST_LOOKUP(23, chain3, absraw, NULL, NULL);
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TEST_LOOKUP(20, NULL, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(21, chain, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(22, chain2, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(23, chain3, abs_srcdir "/virstoragetestdata/lookup/raw", NULL, NULL);
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TEST_LOOKUP(24, NULL, NULL, chain3, chain2);
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TEST_LOOKUP(25, chain, NULL, chain3, chain2);
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TEST_LOOKUP(26, chain2, NULL, chain3, chain2);
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TEST_LOOKUP(27, chain3, NULL, NULL, NULL);
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/* Rewrite wrap and qcow2 back to 3-deep chain, relative backing */
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virCommandFree(cmd);
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cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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"-F", "raw", "-b", "raw", "qcow2", NULL);
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if (virCommandRun(cmd, NULL) < 0)
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ret = -1;
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/* relative backing, absolute start */
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fakeChain[0].path = (char *) abs_srcdir "/virstoragetestdata/lookup/wrap";
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virCommandFree(cmd);
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cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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"-F", "qcow2", "-b", "qcow2", "wrap", NULL);
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if (virCommandRun(cmd, NULL) < 0)
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ret = -1;
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/* Test behavior of chain lookups, relative backing from absolute start */
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virObjectUnref(chain);
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chain = testStorageFileGetMetadata(abswrap, VIR_STORAGE_FILE_QCOW2, -1, -1);
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if (!chain) {
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ret = -1;
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goto cleanup;
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}
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chain2 = chain->backingStore;
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chain3 = chain2->backingStore;
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fakeChain[1].relPath = (char *) "qcow2";
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fakeChain[2].relPath = (char *) "raw";
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TEST_LOOKUP(28, NULL, "bogus", NULL, NULL);
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TEST_LOOKUP(29, chain, "bogus", NULL, NULL);
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TEST_LOOKUP(30, NULL, "wrap", chain, NULL);
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TEST_LOOKUP(31, chain, "wrap", NULL, NULL);
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TEST_LOOKUP(32, chain2, "wrap", NULL, NULL);
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TEST_LOOKUP(33, NULL, abswrap, chain, NULL);
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TEST_LOOKUP(34, chain, abswrap, NULL, NULL);
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TEST_LOOKUP(35, chain2, abswrap, NULL, NULL);
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TEST_LOOKUP(33, NULL, abs_srcdir "/virstoragetestdata/lookup/wrap", chain, NULL);
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TEST_LOOKUP(34, chain, abs_srcdir "/virstoragetestdata/lookup/wrap", NULL, NULL);
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TEST_LOOKUP(35, chain2, abs_srcdir "/virstoragetestdata/lookup/wrap", NULL, NULL);
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TEST_LOOKUP(36, NULL, "qcow2", chain2, chain);
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TEST_LOOKUP(37, chain, "qcow2", chain2, chain);
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TEST_LOOKUP(38, chain2, "qcow2", NULL, NULL);
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TEST_LOOKUP(39, chain3, "qcow2", NULL, NULL);
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TEST_LOOKUP(40, NULL, absqcow2, chain2, chain);
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TEST_LOOKUP(41, chain, absqcow2, chain2, chain);
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TEST_LOOKUP(42, chain2, absqcow2, NULL, NULL);
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TEST_LOOKUP(43, chain3, absqcow2, NULL, NULL);
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TEST_LOOKUP(40, NULL, abs_srcdir "/virstoragetestdata/lookup/qcow2", chain2, chain);
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TEST_LOOKUP(41, chain, abs_srcdir "/virstoragetestdata/lookup/qcow2", chain2, chain);
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TEST_LOOKUP(42, chain2, abs_srcdir "/virstoragetestdata/lookup/qcow2", NULL, NULL);
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TEST_LOOKUP(43, chain3, abs_srcdir "/virstoragetestdata/lookup/qcow2", NULL, NULL);
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TEST_LOOKUP(44, NULL, "raw", chain3, chain2);
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TEST_LOOKUP(45, chain, "raw", chain3, chain2);
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TEST_LOOKUP(46, chain2, "raw", chain3, chain2);
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TEST_LOOKUP(47, chain3, "raw", NULL, NULL);
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TEST_LOOKUP(48, NULL, absraw, chain3, chain2);
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TEST_LOOKUP(49, chain, absraw, chain3, chain2);
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TEST_LOOKUP(50, chain2, absraw, chain3, chain2);
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TEST_LOOKUP(51, chain3, absraw, NULL, NULL);
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TEST_LOOKUP(48, NULL, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(49, chain, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(50, chain2, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(51, chain3, abs_srcdir "/virstoragetestdata/lookup/raw", NULL, NULL);
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TEST_LOOKUP(52, NULL, NULL, chain3, chain2);
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TEST_LOOKUP(53, chain, NULL, chain3, chain2);
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TEST_LOOKUP(54, chain2, NULL, chain3, chain2);
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TEST_LOOKUP(55, chain3, NULL, NULL, NULL);
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/* Use link to wrap with cross-directory relative backing */
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virCommandFree(cmd);
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cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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"-F", "qcow2", "-b", "../qcow2", "wrap", NULL);
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if (virCommandRun(cmd, NULL) < 0)
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ret = -1;
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fakeChain[0].path = (char *) abs_srcdir "/virstoragetestdata/lookup/sub/link2";
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/* Test behavior of chain lookups, relative backing */
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virObjectUnref(chain);
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chain = testStorageFileGetMetadata("sub/link2", VIR_STORAGE_FILE_QCOW2,
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-1, -1);
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if (!chain) {
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ret = -1;
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goto cleanup;
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}
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chain2 = chain->backingStore;
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chain3 = chain2->backingStore;
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fakeChain[1].relPath = (char *) "../qcow2";
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fakeChain[2].relPath = (char *) "raw";
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TEST_LOOKUP(56, NULL, "bogus", NULL, NULL);
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TEST_LOOKUP(57, NULL, "sub/link2", chain, NULL);
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TEST_LOOKUP(58, NULL, "wrap", chain, NULL);
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TEST_LOOKUP(59, NULL, abswrap, chain, NULL);
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TEST_LOOKUP(59, NULL, abs_srcdir "/virstoragetestdata/lookup/wrap", chain, NULL);
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TEST_LOOKUP(60, NULL, "../qcow2", chain2, chain);
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TEST_LOOKUP(61, NULL, "qcow2", NULL, NULL);
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TEST_LOOKUP(62, NULL, absqcow2, chain2, chain);
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TEST_LOOKUP(62, NULL, abs_srcdir "/virstoragetestdata/lookup/qcow2", chain2, chain);
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TEST_LOOKUP(63, NULL, "raw", chain3, chain2);
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TEST_LOOKUP(64, NULL, absraw, chain3, chain2);
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TEST_LOOKUP(64, NULL, abs_srcdir "/virstoragetestdata/lookup/raw", chain3, chain2);
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TEST_LOOKUP(65, NULL, NULL, chain3, chain2);
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/* index lookup */
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fakeChain[0].id = 0;
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fakeChain[1].id = 1;
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fakeChain[2].id = 2;
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TEST_LOOKUP_TARGET(66, "vda", NULL, "bogus[1]", 0, NULL, NULL);
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TEST_LOOKUP_TARGET(67, "vda", NULL, "vda[-1]", 0, NULL, NULL);
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TEST_LOOKUP_TARGET(68, "vda", NULL, "vda[1][1]", 0, NULL, NULL);
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0
tests/virstoragetestdata/lookup/qcow2
Normal file
0
tests/virstoragetestdata/lookup/qcow2
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0
tests/virstoragetestdata/lookup/raw
Normal file
0
tests/virstoragetestdata/lookup/raw
Normal file
1
tests/virstoragetestdata/lookup/sub/link2
Symbolic link
1
tests/virstoragetestdata/lookup/sub/link2
Symbolic link
@ -0,0 +1 @@
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../wrap
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0
tests/virstoragetestdata/lookup/wrap
Normal file
0
tests/virstoragetestdata/lookup/wrap
Normal file
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