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Commita655b9a

Browse files
committed
New classes and tests
1 parentdb2c39d commita655b9a

22 files changed

+976
-612
lines changed

‎README.md‎

Lines changed: 18 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -88,18 +88,22 @@ console.log( rules.isSatisfiedBy( 'Hello world' ) ); // false
8888

8989
##Available classes
9090

91-
-`EqualTo( value: any )`
91+
-`SameValueAs( value: any )`: equality of values, not of types, not of instances
92+
-`StrictSameValueAs( value: any )`: equality of values and types, not of instances
93+
-`EqualTo( value: any )`: equality of values or instances, with`==`
94+
-`StrictEqualTo( value: any )`: equality of values and types or of instances, with`===`
95+
-`SameTypeAs( value: any )`: equality of types
9296
-`GreaterThan( value: any )`
9397
-`GreaterThanOrEqualTo( value: any )`
9498
-`LessThan( value: any )`
9599
-`LessThanOrEqualTo( value: any )`
96100
-`Between( min: any, max: any )`
97-
-`In( values: array )`
98-
-`StartsWith( value: string, ignoreCase: boolean = false )`
99-
-`EndsWith( value: string, ignoreCase: boolean = false )`
100-
-`Contains( value: string, ignoreCase: boolean = false )`
101-
-`LengthBetween( min: any, max: any )`
102-
-`Matches( regex: RegExp )`
101+
-`In( values: array )`: inside an array
102+
-`StartsWith( value: string, ignoreCase: boolean = false )`: string starts with
103+
-`EndsWith( value: string, ignoreCase: boolean = false )`: string ends with
104+
-`Contains( value: string, ignoreCase: boolean = false )`: string contains
105+
-`LengthBetween( min: any, max: any )`: string length between two values
106+
-`Matches( regex: RegExp )`: matches a regular expression
103107

104108
All these classes extend the abstract class`Composite`, which in turn implements the interface`Spec`:
105109

@@ -122,27 +126,28 @@ interface Spec< T > {
122126

123127
##Creating your own class
124128

125-
Creating your own classis**very easy**. Just extends*abstract* class`Composite`, like in the following example. Of course, you can also extend one of the aforementioned classes or implement the interface`Spec`*(but why reinventing the wheel, right?)*.
129+
Create your own classby extending the*abstract* class`Composite`, like in the following example. Of course, you can also extend one of the aforementioned classes or implement the interface`Spec`*(but why reinventing the wheel, right?)*.
126130

127131
Let's create a class`DifferentFrom` ...
128132

129133
*...in TypeScript:*
130134
```typescript
131135
import {Composite }from'spec-pattern';
132136

133-
exportclassDifferentFrom<T>extendsComposite<T > {
137+
exportclassDifferentFrom<C,TextendsC|unknown>extendsComposite<C,T > {
134138

135-
constructor(privatevalue:T ) {
139+
constructor(private_value:T ) {
136140
super();
137141
}
138142

139-
isSatisfiedBy(candidate:T ):boolean {
140-
returnthis.value!=candidate;
143+
isSatisfiedBy(candidate:C|T ):boolean {
144+
returnthis._value!=candidate;
141145
}
142146

143147
toString():string {
144-
return'different from'+this.value;
148+
return'different from'+this._value;
145149
}
150+
146151
}
147152
```
148153

‎__tests__/Between.spec.ts‎

Lines changed: 185 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,185 @@
1+
import{Between}from"..";
2+
3+
describe('Between',()=>{
4+
5+
describe('satisfied by',()=>{
6+
7+
it('min',()=>{
8+
expect(
9+
(newBetween(-1,1)).isSatisfiedBy(-1)
10+
).toBeTruthy();
11+
});
12+
13+
it('max',()=>{
14+
expect(
15+
(newBetween(-1,1)).isSatisfiedBy(1)
16+
).toBeTruthy();
17+
});
18+
19+
it('any value between',()=>{
20+
expect(
21+
(newBetween(-1,1)).isSatisfiedBy(0)
22+
).toBeTruthy();
23+
});
24+
25+
});
26+
27+
28+
describe('not satisfied by',()=>{
29+
30+
it('less than min',()=>{
31+
expect(
32+
(newBetween(-1,1)).isSatisfiedBy(-2)
33+
).toBeFalsy();
34+
});
35+
36+
it('greater than max',()=>{
37+
expect(
38+
(newBetween(-1,1)).isSatisfiedBy(2)
39+
).toBeFalsy();
40+
});
41+
42+
});
43+
44+
45+
describe('composition of',()=>{
46+
47+
describe('not',()=>{
48+
49+
it('satisfied by - inverted logic',()=>{
50+
expect(
51+
(newBetween(-1,1))
52+
.not()
53+
.isSatisfiedBy(0)
54+
).toBeFalsy();
55+
});
56+
57+
});
58+
59+
60+
describe('or',()=>{
61+
62+
it('satisfied by - left side',()=>{
63+
expect(
64+
(newBetween(-1,1))
65+
.or(newBetween(5,7))
66+
.isSatisfiedBy(0)
67+
).toBeTruthy();
68+
});
69+
70+
it('satisfied by - right side',()=>{
71+
expect(
72+
(newBetween(-1,1))
73+
.or(newBetween(5,7))
74+
.isSatisfiedBy(6)
75+
).toBeTruthy();
76+
});
77+
78+
it('not satisfied by - when in none',()=>{
79+
expect(
80+
(newBetween(-3,-1))
81+
.or(newBetween(1,3))
82+
.isSatisfiedBy(0)
83+
).toBeFalsy();
84+
});
85+
86+
});
87+
88+
89+
describe('and',()=>{
90+
91+
it('satisfied by - when in both',()=>{
92+
expect(
93+
(newBetween(-3,0))
94+
.and(newBetween(0,3))
95+
.isSatisfiedBy(0)
96+
).toBeTruthy();
97+
});
98+
99+
it('not satisfied by - when only in left side',()=>{
100+
expect(
101+
(newBetween(-3,0))
102+
.and(newBetween(0,3))
103+
.isSatisfiedBy(-1)
104+
).toBeFalsy();
105+
});
106+
107+
it('not satisfied by - when only in right side',()=>{
108+
expect(
109+
(newBetween(-3,0))
110+
.and(newBetween(0,3))
111+
.isSatisfiedBy(1)
112+
).toBeFalsy();
113+
});
114+
115+
it('not satisfied by - when in node side',()=>{
116+
expect(
117+
(newBetween(-3,0))
118+
.and(newBetween(0,3))
119+
.isSatisfiedBy(4)
120+
).toBeFalsy();
121+
});
122+
123+
});
124+
125+
126+
describe('orNot',()=>{
127+
128+
it('satisfied by - left side',()=>{
129+
expect(
130+
(newBetween(-1,1))
131+
.orNot(newBetween(5,7))
132+
.isSatisfiedBy(0)
133+
).toBeTruthy();
134+
});
135+
136+
it('satisfied by - not in right side',()=>{
137+
expect(
138+
(newBetween(-1,1))
139+
.orNot(newBetween(5,7))
140+
.isSatisfiedBy(8)
141+
).toBeTruthy();
142+
});
143+
144+
it('not satisfied by - right side',()=>{
145+
expect(
146+
(newBetween(-3,-1))
147+
.orNot(newBetween(1,3))
148+
.isSatisfiedBy(2)
149+
).toBeFalsy();
150+
});
151+
152+
});
153+
154+
155+
describe('andNot',()=>{
156+
157+
it('satisfied by - left side and not right',()=>{
158+
expect(
159+
(newBetween(-1,1))
160+
.andNot(newBetween(5,7))
161+
.isSatisfiedBy(0)
162+
).toBeTruthy();
163+
});
164+
165+
it('not satisfied by - in right side',()=>{
166+
expect(
167+
(newBetween(-1,1))
168+
.andNot(newBetween(5,7))
169+
.isSatisfiedBy(6)
170+
).toBeFalsy();
171+
});
172+
173+
it('not satisfied by - node side',()=>{
174+
expect(
175+
(newBetween(-1,1))
176+
.andNot(newBetween(5,7))
177+
.isSatisfiedBy(8)
178+
).toBeFalsy();
179+
});
180+
181+
});
182+
183+
});
184+
185+
});

‎__tests__/Contains.spec.ts‎

Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
import{Contains}from"..";
2+
3+
describe('Contains',()=>{
4+
5+
describe('correct',()=>{
6+
7+
it('case sensitive comparison',()=>{
8+
expect(
9+
(newContains('w')).isSatisfiedBy('Hello world')
10+
).toBeTruthy();
11+
});
12+
13+
it('case insensitive comparison',()=>{
14+
expect(
15+
(newContains('W',true)).isSatisfiedBy('hello world')
16+
).toBeTruthy();
17+
});
18+
19+
});
20+
21+
describe('not satisfied by',()=>{
22+
23+
it('value that not exists',()=>{
24+
expect(
25+
(newContains('x')).isSatisfiedBy('Hello world')
26+
).toBeFalsy();
27+
});
28+
29+
it('different case when not insensitive',()=>{
30+
expect(
31+
(newContains('W')).isSatisfiedBy('Hello world')
32+
).toBeFalsy();
33+
});
34+
35+
});
36+
37+
});

‎__tests__/EndsWith.spec.ts‎

Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
import{EndsWith}from"..";
2+
3+
describe('EndsWith',()=>{
4+
5+
describe('satisfied by',()=>{
6+
7+
it('case sensitive',()=>{
8+
expect(
9+
(newEndsWith('world')).isSatisfiedBy('Hello world')
10+
).toBeTruthy();
11+
});
12+
13+
it('case insensitive',()=>{
14+
expect(
15+
(newEndsWith('World',true)).isSatisfiedBy('hello world')
16+
).toBeTruthy();
17+
});
18+
19+
});
20+
21+
describe('not satisfied by',()=>{
22+
23+
it('value that is not in the end',()=>{
24+
expect(
25+
(newEndsWith('hello')).isSatisfiedBy('Hello world')
26+
).toBeFalsy();
27+
});
28+
29+
it('different case when not insensitive',()=>{
30+
expect(
31+
(newEndsWith('World')).isSatisfiedBy('Hello world')
32+
).toBeFalsy();
33+
});
34+
35+
});
36+
37+
});

‎__tests__/EqualTo.spec.ts‎

Lines changed: 49 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,49 @@
1+
import{EqualTo}from"..";
2+
3+
describe('EqualTo',()=>{
4+
5+
describe('satisfied by',()=>{
6+
7+
it('same value, both integer numbers',()=>{
8+
expect(
9+
(newEqualTo(0)).isSatisfiedBy(0)
10+
).toBeTruthy();
11+
});
12+
13+
it('same value, number and string',()=>{
14+
expect(
15+
(newEqualTo(0)).isSatisfiedBy('0')
16+
).toBeTruthy();
17+
});
18+
19+
it('same value, string and number',()=>{
20+
expect(
21+
(newEqualTo('0')).isSatisfiedBy(0.0)
22+
).toBeTruthy();
23+
});
24+
25+
});
26+
27+
describe('not satisfied by',()=>{
28+
29+
it('a different value',()=>{
30+
expect(
31+
(newEqualTo(0)).isSatisfiedBy(1)
32+
).toBeFalsy();
33+
});
34+
35+
it('two arrays',()=>{
36+
expect(
37+
(newEqualTo([1,2])).isSatisfiedBy([1,2])
38+
).toBeFalsy();
39+
});
40+
41+
it('two objects',()=>{
42+
expect(
43+
(newEqualTo({"a":10})).isSatisfiedBy({"a":10})
44+
).toBeFalsy();
45+
});
46+
47+
});
48+
49+
});

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