fluentasserts.core.operations.greaterOrEqualTo source code

1 module fluentasserts.core.operations.greaterOrEqualTo;
2 
3 import fluentasserts.core.results;
4 import fluentasserts.core.evaluation;
5 
6 import fluentasserts.core.lifecycle;
7 
8 import std.conv;
9 import std.datetime;
10 
11 version(unittest) {
12   import fluentasserts.core.expect;
13 }
14 
15 ///
16 IResult[] greaterOrEqualTo(T)(ref Evaluation evaluation) @safe nothrow {
17   evaluation.message.addText(".");
18 
19   T expectedValue;
20   T currentValue;
21 
22   try {
23     expectedValue = evaluation.expectedValue.strValue.to!T;
24     currentValue = evaluation.currentValue.strValue.to!T;
25   } catch(Exception e) {
26     return [ new MessageResult("Can't convert the values to " ~ T.stringof) ];
27   }
28 
29   auto result = currentValue >= expectedValue;
30 
31   return greaterOrEqualToResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation);
32 }
33 
34 IResult[] greaterOrEqualToDuration(ref Evaluation evaluation) @safe nothrow {
35   evaluation.message.addText(".");
36 
37   Duration expectedValue;
38   Duration currentValue;
39   string niceExpectedValue;
40   string niceCurrentValue;
41 
42   try {
43     expectedValue = dur!"nsecs"(evaluation.expectedValue.strValue.to!size_t);
44     currentValue = dur!"nsecs"(evaluation.currentValue.strValue.to!size_t);
45 
46     niceExpectedValue = expectedValue.to!string;
47     niceCurrentValue = currentValue.to!string;
48   } catch(Exception e) {
49     return [ new MessageResult("Can't convert the values to Duration") ];
50   }
51 
52   auto result = currentValue >= expectedValue;
53 
54   return greaterOrEqualToResults(result, niceExpectedValue, niceCurrentValue, evaluation);
55 }
56 
57 IResult[] greaterOrEqualToSysTime(ref Evaluation evaluation) @safe nothrow {
58   evaluation.message.addText(".");
59 
60   SysTime expectedValue;
61   SysTime currentValue;
62   string niceExpectedValue;
63   string niceCurrentValue;
64 
65   try {
66     expectedValue = SysTime.fromISOExtString(evaluation.expectedValue.strValue);
67     currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue);
68   } catch(Exception e) {
69     return [ new MessageResult("Can't convert the values to SysTime") ];
70   }
71 
72   auto result = currentValue >= expectedValue;
73 
74   return greaterOrEqualToResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation);
75 }
76 
77 private IResult[] greaterOrEqualToResults(bool result, string niceExpectedValue, string niceCurrentValue, ref Evaluation evaluation) @safe nothrow {
78   if(evaluation.isNegated) {
79     result = !result;
80   }
81 
82   if(result) {
83     return [];
84   }
85 
86   evaluation.message.addText(" ");
87   evaluation.message.addValue(evaluation.currentValue.niceValue);
88 
89   IResult[] results = [];
90 
91   if(evaluation.isNegated) {
92     evaluation.message.addText(" is greater or equal than ");
93     results ~= new ExpectedActualResult("less than " ~ niceExpectedValue, niceCurrentValue);
94   } else {
95     evaluation.message.addText(" is less than ");
96     results ~= new ExpectedActualResult("greater or equal than " ~ niceExpectedValue, niceCurrentValue);
97   }
98 
99   evaluation.message.addValue(niceExpectedValue);
100   evaluation.message.addText(".");
101 
102   return results;
103 }