CachePruningTest.cpp
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//===- CachePruningTest.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/CachePruning.h"
#include "llvm/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
TEST(CachePruningPolicyParser, Empty) {
auto P = parseCachePruningPolicy("");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
EXPECT_EQ(std::chrono::hours(7 * 24), P->Expiration);
EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
}
TEST(CachePruningPolicyParser, Interval) {
auto P = parseCachePruningPolicy("prune_interval=1s");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1), P->Interval);
P = parseCachePruningPolicy("prune_interval=2m");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::minutes(2), *P->Interval);
P = parseCachePruningPolicy("prune_interval=3h");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::hours(3), *P->Interval);
}
TEST(CachePruningPolicyParser, Expiration) {
auto P = parseCachePruningPolicy("prune_after=1s");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
}
TEST(CachePruningPolicyParser, MaxSizePercentageOfAvailableSpace) {
auto P = parseCachePruningPolicy("cache_size=100%");
ASSERT_TRUE(bool(P));
EXPECT_EQ(100u, P->MaxSizePercentageOfAvailableSpace);
EXPECT_EQ(0u, P->MaxSizeBytes);
}
TEST(CachePruningPolicyParser, MaxSizeBytes) {
auto P = parseCachePruningPolicy("cache_size_bytes=1");
ASSERT_TRUE(bool(P));
EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
EXPECT_EQ(1u, P->MaxSizeBytes);
P = parseCachePruningPolicy("cache_size_bytes=2k");
ASSERT_TRUE(bool(P));
EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
EXPECT_EQ(2u * 1024u, P->MaxSizeBytes);
P = parseCachePruningPolicy("cache_size_bytes=3m");
ASSERT_TRUE(bool(P));
EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
EXPECT_EQ(3u * 1024u * 1024u, P->MaxSizeBytes);
P = parseCachePruningPolicy("cache_size_bytes=4G");
ASSERT_TRUE(bool(P));
EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
EXPECT_EQ(4ull * 1024ull * 1024ull * 1024ull, P->MaxSizeBytes);
}
TEST(CachePruningPolicyParser, Multiple) {
auto P = parseCachePruningPolicy("prune_after=1s:cache_size=50%");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
EXPECT_EQ(50u, P->MaxSizePercentageOfAvailableSpace);
}
TEST(CachePruningPolicyParser, Errors) {
EXPECT_EQ("Duration must not be empty",
toString(parseCachePruningPolicy("prune_interval=").takeError()));
EXPECT_EQ("'foo' not an integer",
toString(parseCachePruningPolicy("prune_interval=foos").takeError()));
EXPECT_EQ("'24x' must end with one of 's', 'm' or 'h'",
toString(parseCachePruningPolicy("prune_interval=24x").takeError()));
EXPECT_EQ("'foo' must be a percentage",
toString(parseCachePruningPolicy("cache_size=foo").takeError()));
EXPECT_EQ("'foo' not an integer",
toString(parseCachePruningPolicy("cache_size=foo%").takeError()));
EXPECT_EQ("'101' must be between 0 and 100",
toString(parseCachePruningPolicy("cache_size=101%").takeError()));
EXPECT_EQ(
"'foo' not an integer",
toString(parseCachePruningPolicy("cache_size_bytes=foo").takeError()));
EXPECT_EQ(
"'foo' not an integer",
toString(parseCachePruningPolicy("cache_size_bytes=foom").takeError()));
EXPECT_EQ("Unknown key: 'foo'",
toString(parseCachePruningPolicy("foo=bar").takeError()));
}