1 1 /** 2 2 * Authors: k.inaba 3 3 * License: NYSL 0.9982 http://www.kmonos.net/nysl/ 4 4 * 5 5 * Unittest helpers. 6 + * TODO: use stderr instead of stdout. the problem is that std.cstream is xxxx.... 7 + * TODO: is there any way to clearnly implement "assert_compiles" and "assert_not_compile"? 6 8 */ 7 9 module tricks.test; 8 10 import std.conv : to; 9 11 import core.exception; 12 + 13 +version(unittest) 14 +{ 15 + import std.stdio; 16 + import core.runtime; 17 + 18 + // Install custom test runner 19 + static this() 20 + { 21 + Runtime.moduleUnitTester = function() 22 + { 23 + Throwable ee = null; 24 + size_t failed=0; 25 + foreach(m; ModuleInfo) if(m) if(auto fp=m.unitTest) 26 + { 27 + writeln("[TEST] ", m.name); 28 + try { 29 + fp(); 30 + } catch( Throwable e ) { 31 + if(ee is null) 32 + ee = e; 33 + failed++; 34 + writeln(" !! ",e.file,"(",e.line,"): ",e.msg); 35 + } 36 + } 37 + if(ee !is null) 38 + { 39 + writeln("[TEST] ",failed," modules failed. The first error was:"); 40 + writeln(ee); 41 + write("[TEST] press enter to exit."); 42 + readln(); 43 + return false; 44 + } 45 + return true; 46 + }; 47 + } 48 +} 10 49 11 50 /// Unittest helper that asserts an expression must throw something 12 51 13 -void assert_throw(ExceptionType=Throwable, 14 - T, string fn=__FILE__, size_t ln=__LINE__)(lazy T t, string msg="") 52 +void assert_throw(ExcT=Throwable, T, string fn=__FILE__, size_t ln=__LINE__)(lazy T t, string msg="") 15 53 { 16 - static if( is(ExceptionType == Throwable) ) 54 + static if( is(ExcT == Throwable) ) 17 55 try 18 56 { t(); } 19 - catch(ExceptionType) 57 + catch(ExcT) 20 58 { return; } 21 59 else 22 60 try 23 61 { t(); } 24 - catch(ExceptionType) 62 + catch(ExcT) 25 63 { return; } 26 64 catch(Throwable e) 27 - { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception\n >> "~e.toString()); } 65 + { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception \n >> "~e.toString()); } 28 66 onAssertErrorMsg(fn, ln, msg.length ? msg : "not thrown"); 29 67 } 30 68 31 69 /// Unittest helper that asserts an expression must not throw anything 32 70 33 71 T assert_nothrow(T, string fn=__FILE__, size_t ln=__LINE__)(lazy T t, string msg="") 34 72 { 35 73 try 36 74 { return t(); } 37 75 catch(Throwable e) 38 - { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception\n >> "~e.toString()); } 76 + { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception \n >> "~e.toString()); } 39 77 assert(false); 40 78 } 41 79 42 80 unittest 43 81 { 44 82 auto error = {throw new Error("hello");}; 45 83 auto nothing = (){}; ................................................................................ 58 96 template assertOp(string op) 59 97 { 60 98 void assertOp(A, B, string fn=__FILE__, size_t ln=__LINE__)(A a, B b, string msg="") 61 99 { 62 100 try 63 101 { if( mixin("a"~op~"b") ) return; } 64 102 catch(Throwable e) 65 - { onAssertErrorMsg(fn, ln, msg.length ? msg : "exception ["~e.toString()~"]"); } 103 + { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception \n >> "~e.toString()); } 66 104 onAssertErrorMsg(fn, ln, msg.length ? msg : to!string(a)~" !"~op~" "~to!string(b)); 67 105 } 68 106 } 69 107 70 108 alias assertOp!(`==`) assert_eq; /// asserts two operands are == 71 109 alias assertOp!(`!=`) assert_ne; /// asserts two operands are != 72 110 alias assertOp!(`<`) assert_lt; /// asserts two operands are < ................................................................................ 95 133 assert_throw!AssertError( assert_ge(0, 1) ); 96 134 97 135 class Temp { bool opEquals(int x){return x/x==x;} } 98 136 assert_throw!AssertError( assert_eq(new Temp, 0) ); 99 137 assert_nothrow ( assert_eq(new Temp, 1) ); 100 138 assert_throw!AssertError( assert_eq(new Temp, 2) ); 101 139 } 102 - 103 -/* [Todo] is there any way to clearnly implement "assert_compiles" and "assert_not_compile"? */