1 //===- CachePruningTest.cpp -----------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/Support/CachePruning.h" 10 #include "llvm/Support/Error.h" 11 #include "gtest/gtest.h" 12 13 using namespace llvm; 14 15 TEST(CachePruningPolicyParser, Empty) { 16 auto P = parseCachePruningPolicy(""); 17 ASSERT_TRUE(bool(P)); 18 EXPECT_EQ(std::chrono::seconds(1200), P->Interval); 19 EXPECT_EQ(std::chrono::hours(7 * 24), P->Expiration); 20 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace); 21 } 22 23 TEST(CachePruningPolicyParser, Interval) { 24 auto P = parseCachePruningPolicy("prune_interval=1s"); 25 ASSERT_TRUE(bool(P)); 26 EXPECT_EQ(std::chrono::seconds(1), P->Interval); 27 P = parseCachePruningPolicy("prune_interval=2m"); 28 ASSERT_TRUE(bool(P)); 29 EXPECT_EQ(std::chrono::minutes(2), *P->Interval); 30 P = parseCachePruningPolicy("prune_interval=3h"); 31 ASSERT_TRUE(bool(P)); 32 EXPECT_EQ(std::chrono::hours(3), *P->Interval); 33 } 34 35 TEST(CachePruningPolicyParser, Expiration) { 36 auto P = parseCachePruningPolicy("prune_after=1s"); 37 ASSERT_TRUE(bool(P)); 38 EXPECT_EQ(std::chrono::seconds(1), P->Expiration); 39 } 40 41 TEST(CachePruningPolicyParser, MaxSizePercentageOfAvailableSpace) { 42 auto P = parseCachePruningPolicy("cache_size=100%"); 43 ASSERT_TRUE(bool(P)); 44 EXPECT_EQ(100u, P->MaxSizePercentageOfAvailableSpace); 45 EXPECT_EQ(0u, P->MaxSizeBytes); 46 } 47 48 TEST(CachePruningPolicyParser, MaxSizeBytes) { 49 auto P = parseCachePruningPolicy("cache_size_bytes=1"); 50 ASSERT_TRUE(bool(P)); 51 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace); 52 EXPECT_EQ(1u, P->MaxSizeBytes); 53 P = parseCachePruningPolicy("cache_size_bytes=2k"); 54 ASSERT_TRUE(bool(P)); 55 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace); 56 EXPECT_EQ(2u * 1024u, P->MaxSizeBytes); 57 P = parseCachePruningPolicy("cache_size_bytes=3m"); 58 ASSERT_TRUE(bool(P)); 59 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace); 60 EXPECT_EQ(3u * 1024u * 1024u, P->MaxSizeBytes); 61 P = parseCachePruningPolicy("cache_size_bytes=4G"); 62 ASSERT_TRUE(bool(P)); 63 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace); 64 EXPECT_EQ(4ull * 1024ull * 1024ull * 1024ull, P->MaxSizeBytes); 65 } 66 67 TEST(CachePruningPolicyParser, Multiple) { 68 auto P = parseCachePruningPolicy("prune_after=1s:cache_size=50%"); 69 ASSERT_TRUE(bool(P)); 70 EXPECT_EQ(std::chrono::seconds(1200), P->Interval); 71 EXPECT_EQ(std::chrono::seconds(1), P->Expiration); 72 EXPECT_EQ(50u, P->MaxSizePercentageOfAvailableSpace); 73 } 74 75 TEST(CachePruningPolicyParser, Errors) { 76 EXPECT_EQ("Duration must not be empty", 77 toString(parseCachePruningPolicy("prune_interval=").takeError())); 78 EXPECT_EQ("'foo' not an integer", 79 toString(parseCachePruningPolicy("prune_interval=foos").takeError())); 80 EXPECT_EQ("'24x' must end with one of 's', 'm' or 'h'", 81 toString(parseCachePruningPolicy("prune_interval=24x").takeError())); 82 EXPECT_EQ("'foo' must be a percentage", 83 toString(parseCachePruningPolicy("cache_size=foo").takeError())); 84 EXPECT_EQ("'foo' not an integer", 85 toString(parseCachePruningPolicy("cache_size=foo%").takeError())); 86 EXPECT_EQ("'101' must be between 0 and 100", 87 toString(parseCachePruningPolicy("cache_size=101%").takeError())); 88 EXPECT_EQ( 89 "'foo' not an integer", 90 toString(parseCachePruningPolicy("cache_size_bytes=foo").takeError())); 91 EXPECT_EQ( 92 "'foo' not an integer", 93 toString(parseCachePruningPolicy("cache_size_bytes=foom").takeError())); 94 EXPECT_EQ("Unknown key: 'foo'", 95 toString(parseCachePruningPolicy("foo=bar").takeError())); 96 } 97