1 //===- unittest/Format/FormatTestProto.cpp --------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "FormatTestUtils.h" 11 #include "clang/Format/Format.h" 12 #include "llvm/Support/Debug.h" 13 #include "gtest/gtest.h" 14 15 #define DEBUG_TYPE "format-test" 16 17 namespace clang { 18 namespace format { 19 20 class FormatTestProto : public ::testing::Test { 21 protected: 22 static std::string format(llvm::StringRef Code, unsigned Offset, 23 unsigned Length, const FormatStyle &Style) { 24 DEBUG(llvm::errs() << "---\n"); 25 DEBUG(llvm::errs() << Code << "\n\n"); 26 std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length)); 27 tooling::Replacements Replaces = reformat(Style, Code, Ranges); 28 std::string Result = applyAllReplacements(Code, Replaces); 29 EXPECT_NE("", Result); 30 DEBUG(llvm::errs() << "\n" << Result << "\n\n"); 31 return Result; 32 } 33 34 static std::string format(llvm::StringRef Code) { 35 FormatStyle Style = getGoogleStyle(FormatStyle::LK_Proto); 36 Style.ColumnLimit = 60; // To make writing tests easier. 37 return format(Code, 0, Code.size(), Style); 38 } 39 40 static void verifyFormat(llvm::StringRef Code) { 41 EXPECT_EQ(Code.str(), format(test::messUp(Code))); 42 } 43 }; 44 45 TEST_F(FormatTestProto, FormatsMessages) { 46 verifyFormat("message SomeMessage {\n" 47 " required int32 field1 = 1;\n" 48 "}"); 49 verifyFormat("message SomeMessage {\n" 50 " required .absolute.Reference field1 = 1;\n" 51 "}"); 52 verifyFormat("message SomeMessage {\n" 53 " required int32 field1 = 1;\n" 54 " optional string field2 = 2 [default = \"2\"]\n" 55 "}"); 56 57 verifyFormat("message SomeMessage {\n" 58 " optional really.really.long.qualified.type.aaa.aaaaaaa\n" 59 " fiiiiiiiiiiiiiiiiiiiiiiiiield = 1;\n" 60 " optional\n" 61 " really.really.long.qualified.type.aaa.aaaaaaa.aaaaaaaa\n" 62 " another_fiiiiiiiiiiiiiiiiiiiiield = 2;\n" 63 "}"); 64 } 65 66 TEST_F(FormatTestProto, KeywordsInOtherLanguages) { 67 verifyFormat("optional string operator = 1;"); 68 } 69 70 TEST_F(FormatTestProto, FormatsEnums) { 71 verifyFormat("enum Type {\n" 72 " UNKNOWN = 0;\n" 73 " TYPE_A = 1;\n" 74 " TYPE_B = 2;\n" 75 "};"); 76 } 77 78 TEST_F(FormatTestProto, UnderstandsReturns) { 79 verifyFormat("rpc Search(SearchRequest) returns (SearchResponse);"); 80 } 81 82 TEST_F(FormatTestProto, MessageFieldAttributes) { 83 verifyFormat("optional string test = 1 [default = \"test\"];"); 84 verifyFormat("optional bool a = 1 [default = true, deprecated = true];"); 85 verifyFormat("optional LongMessageType long_proto_field = 1\n" 86 " [default = REALLY_REALLY_LONG_CONSTANT_VALUE,\n" 87 " deprecated = true];"); 88 verifyFormat("optional LongMessageType long_proto_field = 1\n" 89 " [default = REALLY_REALLY_LONG_CONSTANT_VALUE];"); 90 verifyFormat("repeated double value = 1\n" 91 " [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaaa: AAAAAAAA}];"); 92 verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n" 93 " aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n" 94 " bbbbbbbbbbbbbbbb: BBBBBBBBBB\n" 95 "}];"); 96 verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n" 97 " aaaaaaaaaaaaaaaa: AAAAAAAAAA\n" 98 " bbbbbbbbbbbbbbbb: BBBBBBBBBB\n" 99 "}];"); 100 verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n" 101 " type: \"AAAAAAAAAA\"\n" 102 " is: \"AAAAAAAAAA\"\n" 103 " or: \"BBBBBBBBBB\"\n" 104 "}];"); 105 verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n" 106 " aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n" 107 " bbbbbbb: BBBB,\n" 108 " bbbb: BBB\n" 109 "}];"); 110 } 111 112 TEST_F(FormatTestProto, DoesntWrapFileOptions) { 113 EXPECT_EQ( 114 "option java_package = " 115 "\"some.really.long.package.that.exceeds.the.column.limit\";", 116 format("option java_package = " 117 "\"some.really.long.package.that.exceeds.the.column.limit\";")); 118 } 119 120 TEST_F(FormatTestProto, FormatsOptions) { 121 verifyFormat("option (MyProto.options) = {\n" 122 " field_a: OK\n" 123 " field_b: \"OK\"\n" 124 " field_c: \"OK\"\n" 125 " msg_field: {field_d: 123}\n" 126 "};"); 127 128 verifyFormat("option (MyProto.options) = {\n" 129 " field_a: OK\n" 130 " field_b: \"OK\"\n" 131 " field_c: \"OK\"\n" 132 " msg_field: {\n" 133 " field_d: 123\n" 134 " field_e: OK\n" 135 " }\n" 136 "};"); 137 138 verifyFormat("option (MyProto.options) = {\n" 139 " field_a: OK // Comment\n" 140 " field_b: \"OK\"\n" 141 " field_c: \"OK\"\n" 142 " msg_field: {field_d: 123}\n" 143 "};"); 144 145 verifyFormat("option (MyProto.options) = {\n" 146 " field_c: \"OK\"\n" 147 " msg_field{field_d: 123}\n" 148 "};"); 149 } 150 151 TEST_F(FormatTestProto, FormatsService) { 152 verifyFormat("service SearchService {\n" 153 " rpc Search(SearchRequest) returns (SearchResponse) {\n" 154 " option foo = true;\n" 155 " }\n" 156 "};"); 157 } 158 159 } // end namespace tooling 160 } // end namespace clang 161