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/*
* (C) Copyright 1996- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation nor
* does it submit to any jurisdiction.
*/
#include <cstring>
#include "eckit/config/Resource.h"
#include "eckit/filesystem/PathName.h"
#include "eckit/io/Buffer.h"
#include "eckit/io/FileHandle.h"
#include "eckit/io/MemoryHandle.h"
#include "eckit/io/MultiHandle.h"
#include "eckit/io/PartFileHandle.h"
#include "eckit/log/Log.h"
#include "eckit/memory/Zero.h"
#include "eckit/runtime/Tool.h"
#include "eckit/testing/Test.h"
#include "eckit/types/Types.h"
using namespace std;
using namespace eckit;
using namespace eckit::testing;
namespace eckit::test {
//----------------------------------------------------------------------------------------------------------------------
const char buf1[] = "abcdefghijklmnopqrstuvwxyz01234";
const char buf2[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ56789";
class Tester {
public:
Tester() {
std::string base = Resource<std::string>("$TMPDIR", "/tmp");
path1_ = PathName::unique(base + "/path1");
path1_ += ".dat";
path2_ = PathName::unique(base + "/path2");
path2_ += ".dat";
path3_ = PathName::unique(base + "/path3");
path3_ += ".dat";
{
FileHandle f1(path1_);
f1.openForWrite(0);
f1.write(buf1, sizeof(buf1) - 1);
f1.close();
std::cout << "created: " << path1_ << std::endl;
}
{
FileHandle f2(path2_);
f2.openForWrite(0);
f2.write(buf2, sizeof(buf2) - 1);
f2.write(buf2, sizeof(buf2) - 1);
f2.close();
std::cout << "created: " << path2_ << std::endl;
}
{
FileHandle f3(path3_);
f3.openForWrite(0);
f3.write(buf1, sizeof(buf1) - 1);
f3.write(buf1, sizeof(buf1) - 1);
f3.write(buf1, sizeof(buf1) - 1);
f3.close();
std::cout << "created: " << path3_ << std::endl;
}
}
~Tester() {
bool verbose = false;
path1_.unlink(verbose);
path2_.unlink(verbose);
path3_.unlink(verbose);
}
static Buffer makeBuffer() {
Buffer buffer(128);
buffer.zero();
return buffer;
}
PathName path1_;
PathName path2_;
PathName path3_;
};
//----------------------------------------------------------------------------------------------------------------------
CASE("Multihandle") {
format(std::cout, Log::fullFormat);
Tester test;
OffsetList ol0 = {};
LengthList ll0 = {};
OffsetList ol1 = {0, 2, 6, 13, 23};
LengthList ll1 = {1, 2, 4, 6, 8};
SECTION("PartFileHandle compress") {
char expect[] = "aAbcBCdefgDEFGhijklmnoHIJKLMNOpqrstuvwxyz01234PQRSTUVWXYZ56789";
MultiHandle mh1;
{
for (int i = 0; i < 5; i++) {
mh1 += new PartFileHandle(test.path1_, (1 << i) - 1, 1 << i);
mh1 += new PartFileHandle(test.path2_, (1 << i) - 1, 1 << i);
}
// std::cout << mh1 << std::endl;
EXPECT(mh1.size() == Length(62));
mh1.compress();
// std::cout << mh1 << std::endl;
EXPECT(mh1.size() == Length(62));
}
MemoryHandle result(128);
EXPECT_NO_THROW(mh1.saveInto(result));
EXPECT(::memcmp(expect, result.data(), strlen(expect)) == 0);
}
SECTION("Seek/skip/position in empty MultiHandle") {
MultiHandle mh0;
Length size = mh0.size();
EXPECT_EQUAL(size, Length(0));
mh0.openForRead();
EXPECT_NO_THROW(mh0.seek(0));
{
Buffer buff = Tester::makeBuffer();
long r = mh0.read(buff, 10);
EXPECT(r == 0);
}
EXPECT_THROWS_AS(mh0.seek(1), AssertionFailed); // seeking beoynd EOF asserts
{
Buffer buff = Tester::makeBuffer();
long r = mh0.read(buff, 10);
EXPECT(r == 0);
}
EXPECT(mh0.position() == Offset(0));
EXPECT_THROWS_AS(mh0.skip(4), AssertionFailed); // skipping beoynd EOF asserts
EXPECT(mh0.position() == Offset(0));
}
SECTION("Clinical case of empty PartFileHandles making a MultiHandle") {
MultiHandle mh1;
mh1 += new PartFileHandle(test.path1_, ol0, ll0);
mh1 += new MemoryHandle(0);
mh1 += new PartFileHandle(test.path3_, ol0, ll0);
mh1.openForRead();
EXPECT_NO_THROW(mh1.seek(0));
{
Buffer buff = Tester::makeBuffer();
long r = mh1.read(buff, 10);
EXPECT(r == 0);
}
EXPECT_THROWS_AS(mh1.seek(1), AssertionFailed); // seeking beoynd EOF asserts
{
Buffer buff = Tester::makeBuffer();
long r = mh1.read(buff, 10);
EXPECT(r == 0);
}
EXPECT(mh1.position() == Offset(0));
EXPECT_THROWS_AS(mh1.skip(4), AssertionFailed); // skipping beoynd EOF asserts
EXPECT(mh1.position() == Offset(0));
}
SECTION("MultiHandle of PartFileHandles") {
MultiHandle mh2;
mh2 += new PartFileHandle(test.path1_, ol1, ll1);
mh2 += new MemoryHandle(0);
mh2 += new PartFileHandle(test.path3_, ol0, ll0);
mh2.openForRead();
EXPECT_NO_THROW(mh2.seek(21));
{
Buffer buff = Tester::makeBuffer();
long r = mh2.read(buff, 10);
EXPECT(r == 0);
}
}
SECTION("MultiHandle of MemoryHandle") {
MultiHandle mh3;
mh3 += new MemoryHandle(100);
mh3 += new MemoryHandle(100);
EXPECT_THROWS(mh3.seek(0)); // MultiHandle is not open in read mode
EXPECT_THROWS(mh3.openForWrite(10)); // MultiHandle cannot be opened in write mode
MultiHandle mh;
mh += new PartFileHandle(test.path1_, ol1, ll1);
// 0 1 2 3
// 0123456789012345678901234567890
// abcdefghijklmnopqrstuvwxyz01234
// = == ==== ====== ========
// a cd ghij nopqrs xyz01234
OffsetList ol2 = {2, 4, 8, 16, 32};
LengthList ll2 = {1, 2, 4, 8, 16};
mh += new PartFileHandle(test.path2_, ol2, ll2);
// 0 1 2 3 4 5 6
// 01234567890123456789012345678901234567890123456789012345678901
// ABCDEFGHIJKLMNOPQRSTUVWXYZ56789ABCDEFGHIJKLMNOPQRSTUVWXYZ56789
// = == ==== ======== ================
// C EF IJKL QRSTUVWX BCDEFGHIJKLMNOPQ
OffsetList ol3 = {2, 4, 8, 16, 32, 64};
LengthList ll3 = {1, 2, 4, 8, 16, 29};
mh += new PartFileHandle(test.path3_, ol3, ll3);
// 0 1 2 3 4 5 6 7 8 9
// 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012
// abcdefghijklmnopqrstuvwxyz01234abcdefghijklmnopqrstuvwxyz01234abcdefghijklmnopqrstuvwxyz01234
// = == ==== ======== ================ =============================
// c ef ijkl qrstuvwx bcdefghijklmnopq cdefghijklmnopqrstuvwxyz01234
// 1 1
// 0 1 2 3 4 5 6 7 8 9 0 1
// 0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901
// Unused variable expect[]
// char expect[] =
// "acdghijnopqrsxyz01234CEFIJKLQRSTUVWXBCDEFGHIJKLMNOPQcefijklqrstuvwxbcdefghijklmnopqcdefghijklmnopqrstuvwxy"
// "z01234";
mh.openForRead();
EXPECT(mh.size() == Length(112));
EXPECT_NO_THROW(mh.seek(10));
EXPECT(mh.position() == Offset(10));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 13);
EXPECT(r == 13);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "qrsxyz01234CE");
}
EXPECT(mh.position() == Offset(23));
// move to end of first PartFileHandle
EXPECT_NO_THROW(mh.skip(-2));
EXPECT(mh.position() == Offset(21));
EXPECT_NO_THROW(mh.skip(9));
EXPECT(mh.position() == Offset(30));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 10);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "STUVWXBCDE");
}
EXPECT_NO_THROW(mh.seek(0));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 7);
EXPECT(r == 7);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "acdghij");
}
EXPECT(mh.position() == Offset(7));
EXPECT_NO_THROW(mh.seek(106));
EXPECT(mh.position() == Offset(106));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 6);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "z01234");
}
EXPECT(mh.position() == Offset(112));
EXPECT_THROWS_AS(mh.seek(120), AssertionFailed); // seek beyond EOF throws
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 0);
}
EXPECT(mh.position() == Offset(112));
EXPECT_NO_THROW(mh.skip(-20)); // go back -20 from 112 => 92
EXPECT(mh.position() == Offset(92));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 30);
EXPECT(r == 20);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "lmnopqrstuvwxyz01234");
}
}
SECTION("Multihandle seek in FileHandle") {
MultiHandle mh;
mh += new FileHandle(test.path1_);
mh += new FileHandle(test.path2_);
mh.openForRead();
EXPECT(mh.size() == Length(31 * 3));
EXPECT_NO_THROW(mh.seek(20));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 13);
EXPECT(r == 13);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "uvwxyz01234AB");
}
EXPECT_NO_THROW(mh.seek(35));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 10);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "EFGHIJKLMN");
}
EXPECT_NO_THROW(mh.seek(0));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 7);
EXPECT(r == 7);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "abcdefg");
}
EXPECT_NO_THROW(mh.seek(93 - 6));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 6);
std::cout << std::string(buff) << std::endl;
EXPECT(std::string(buff) == "Z56789");
}
EXPECT_THROWS_AS(mh.seek(100), AssertionFailed); // Seek beyond EOF throws
EXPECT(mh.position() == Offset(31 * 3));
{
Buffer buff = Tester::makeBuffer();
long r = mh.read(buff, 10);
EXPECT(r == 0);
}
}
}
//----------------------------------------------------------------------------------------------------------------------
} // namespace eckit::test
int main(int argc, char** argv) {
return run_tests(argc, argv);
}
|
