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Allow control version and WAL magic to be overridden in test harness.

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This makes it easier to write tests for invalid control version/WAL magic.

Also add HRN_PG_WAL_TO_BUFFER() to simplify generation of WAL headers.
This commit is contained in:
David Steele
2023-03-04 12:50:02 +07:00
parent 1648c133d6
commit c656669ac2
7 changed files with 86 additions and 76 deletions
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43
test/src/module/postgres/interfaceTest.c
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@ -62,20 +62,14 @@ testRun(void)
TEST_RESULT_UINT(pgInterface[0].version, PG_VERSION_MAX, "check max version");
// -------------------------------------------------------------------------------------------------------------------------
// Create a bogus control file
Buffer *result = bufNew(HRN_PG_CONTROL_SIZE);
memset(bufPtr(result), 0, bufSize(result));
bufUsedSet(result, bufSize(result));
TEST_TITLE("unknown control version");
*(PgControlCommon *)bufPtr(result) = (PgControlCommon)
{
.controlVersion = 501,
.catalogVersion = 19780101,
};
HRN_PG_CONTROL_OVERRIDE_PUT(storageTest, PG_VERSION_15, 1501, .catalogVersion = 202211110);
TEST_ERROR(
pgControlFromBuffer(result), VersionNotSupportedError,
"unexpected control version = 501 and catalog version = 19780101\nHINT: is this version of PostgreSQL supported?");
pgControlFromFile(storageTest), VersionNotSupportedError,
"unexpected control version = 1501 and catalog version = 202211110\n"
"HINT: is this version of PostgreSQL supported?");
// -------------------------------------------------------------------------------------------------------------------------
HRN_PG_CONTROL_PUT(
@ -184,29 +178,29 @@ testRun(void)
{
const String *walFile = STRDEF(TEST_PATH "/0000000F0000000F0000000F");
// Create a bogus control file, initially not in long format)
// -------------------------------------------------------------------------------------------------------------------------
TEST_TITLE("unknown WAL magic");
Buffer *result = bufNew((size_t)16 * 1024 * 1024);
memset(bufPtr(result), 0, bufSize(result));
bufUsedSet(result, bufSize(result));
*(PgWalCommon *)bufPtr(result) = (PgWalCommon){.magic = 777};
TEST_ERROR(pgWalFromBuffer(result), FormatError, "first page header in WAL file is expected to be in long format");
// Add the long flag so that the version will now error
// -------------------------------------------------------------------------------------------------------------------------
((PgWalCommon *)bufPtr(result))->flag = PG_WAL_LONG_HEADER;
HRN_PG_WAL_OVERRIDE_TO_BUFFER(result, PG_VERSION_15, 777);
TEST_ERROR(
pgWalFromBuffer(result), VersionNotSupportedError,
"unexpected WAL magic 777\n"
"HINT: is this version of PostgreSQL supported?");
// -------------------------------------------------------------------------------------------------------------------------
TEST_TITLE("invalid wal flag");
((PgWalCommon *)bufPtr(result))->flag = 0;
TEST_ERROR(pgWalFromBuffer(result), FormatError, "first page header in WAL file is expected to be in long format");
// -------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
hrnPgWalToBuffer(
(PgWal){.version = PG_VERSION_11, .systemId = 0xECAFECAF, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2}, result);
HRN_PG_WAL_TO_BUFFER(result, PG_VERSION_11, .systemId = 0xECAFECAF, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2);
storagePutP(storageNewWriteP(storageTest, walFile), result);
PgWal info = {0};
@ -217,14 +211,13 @@ testRun(void)
// -------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
hrnPgWalToBuffer(
(PgWal){.version = PG_VERSION_96, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2}, result);
HRN_PG_WAL_TO_BUFFER(result, PG_VERSION_96, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2);
TEST_ERROR(pgWalFromBuffer(result), FormatError, "wal segment size is 33554432 but must be 16777216 for PostgreSQL <= 10");
// -------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
hrnPgWalToBuffer((PgWal){.version = PG_VERSION_93, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT}, result);
HRN_PG_WAL_TO_BUFFER(result, PG_VERSION_93, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT);
storagePutP(storageNewWriteP(storageTest, walFile), result);
TEST_ASSIGN(info, pgWalFromFile(walFile, storageTest), "get wal info v9.3");