cruet/case/
camel.rs

1use crate::case::*;
2
3/// Converts a `&str` to camelCase `String`
4///
5/// ```
6/// use cruet::case::to_camel_case;
7///
8/// assert_eq!(to_camel_case("fooBar"), "fooBar");
9/// assert_eq!(to_camel_case("FOO_BAR"), "fooBar");
10/// assert_eq!(to_camel_case("Foo Bar"), "fooBar");
11/// assert_eq!(to_camel_case("foo_bar"), "fooBar");
12/// assert_eq!(to_camel_case("Foo bar"), "fooBar");
13/// assert_eq!(to_camel_case("foo-bar"), "fooBar");
14/// assert_eq!(to_camel_case("FooBar"), "fooBar");
15/// assert_eq!(to_camel_case("FooBar3"), "fooBar3");
16/// assert_eq!(to_camel_case("Foo-Bar"), "fooBar");
17/// ```
18pub fn to_camel_case(non_camelized_string: &str) -> String {
19    let options = CamelOptions {
20        new_word: false,
21        last_char: ' ',
22        first_word: false,
23        injectable_char: ' ',
24        has_seperator: false,
25        inverted: false,
26        concat_num: true,
27    };
28    to_case_camel_like(non_camelized_string, options)
29}
30
31/// Determines if a `&str` is camelCase bool``
32///
33/// ```
34/// use cruet::case::is_camel_case;
35///
36/// assert!(is_camel_case("foo"));
37/// assert!(is_camel_case("fooBarIsAReallyReally3LongString"));
38/// assert!(is_camel_case("fooBarIsAReallyReallyLongString"));
39///
40/// assert!(!is_camel_case("Foo"));
41/// assert!(!is_camel_case("foo-bar-string-that-is-really-really-long"));
42/// assert!(!is_camel_case("FooBarIsAReallyReallyLongString"));
43/// assert!(!is_camel_case("FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG"));
44/// assert!(!is_camel_case("foo_bar_string_that_is_really_really_long"));
45/// assert!(!is_camel_case("Foo bar string that is really really long"));
46/// assert!(!is_camel_case("Foo Bar Is A Really Really Long String"));
47/// ```
48pub fn is_camel_case(test_string: &str) -> bool {
49    to_camel_case(test_string) == test_string
50}
51
52#[cfg(test)]
53mod benchmarks {
54    extern crate test;
55    use self::test::Bencher;
56
57    #[bench]
58    fn bench_camel0(b: &mut Bencher) {
59        b.iter(|| {
60            let test_string = "Foo bar";
61            super::to_camel_case(test_string)
62        });
63    }
64
65    #[bench]
66    fn bench_camel1(b: &mut Bencher) {
67        b.iter(|| {
68            let test_string = "foo_bar";
69            super::to_camel_case(test_string)
70        });
71    }
72
73    #[bench]
74    fn bench_camel2(b: &mut Bencher) {
75        b.iter(|| {
76            let test_string = "fooBar";
77            super::to_camel_case(test_string)
78        });
79    }
80
81    #[bench]
82    fn bench_is_camel(b: &mut Bencher) {
83        b.iter(|| {
84            let test_string: &str = "Foo bar";
85            super::is_camel_case(test_string)
86        });
87    }
88}
89
90#[cfg(test)]
91mod tests {
92    use super::is_camel_case;
93    use super::to_camel_case;
94
95    #[test]
96    fn from_camel_case() {
97        let convertable_string: String = "fooBar".to_owned();
98        let expected: String = "fooBar".to_owned();
99        assert_eq!(to_camel_case(&convertable_string), expected)
100    }
101
102    #[test]
103    fn from_pascal_case() {
104        let convertable_string: String = "FooBar".to_owned();
105        let expected: String = "fooBar".to_owned();
106        assert_eq!(to_camel_case(&convertable_string), expected)
107    }
108
109    #[test]
110    fn from_kebab_case() {
111        let convertable_string: String = "foo-bar".to_owned();
112        let expected: String = "fooBar".to_owned();
113        assert_eq!(to_camel_case(&convertable_string), expected)
114    }
115
116    #[test]
117    fn from_sentence_case() {
118        let convertable_string: String = "Foo bar".to_owned();
119        let expected: String = "fooBar".to_owned();
120        assert_eq!(to_camel_case(&convertable_string), expected)
121    }
122
123    #[test]
124    fn from_title_case() {
125        let convertable_string: String = "Foo Bar".to_owned();
126        let expected: String = "fooBar".to_owned();
127        assert_eq!(to_camel_case(&convertable_string), expected)
128    }
129
130    #[test]
131    fn from_train_case() {
132        let convertable_string: String = "Foo-Bar".to_owned();
133        let expected: String = "fooBar".to_owned();
134        assert_eq!(to_camel_case(&convertable_string), expected)
135    }
136
137    #[test]
138    fn from_screaming_snake_case() {
139        let convertable_string: String = "FOO_BAR".to_owned();
140        let expected: String = "fooBar".to_owned();
141        assert_eq!(to_camel_case(&convertable_string), expected)
142    }
143
144    #[test]
145    fn from_snake_case() {
146        let convertable_string: String = "foo_bar".to_owned();
147        let expected: String = "fooBar".to_owned();
148        assert_eq!(to_camel_case(&convertable_string), expected)
149    }
150
151    #[test]
152    fn from_case_with_loads_of_space() {
153        let convertable_string: String = "foo           bar".to_owned();
154        let expected: String = "fooBar".to_owned();
155        assert_eq!(to_camel_case(&convertable_string), expected)
156    }
157
158    #[test]
159    fn a_name_with_a_dot() {
160        let convertable_string: String = "Robert C. Martin".to_owned();
161        let expected: String = "robertCMartin".to_owned();
162        assert_eq!(to_camel_case(&convertable_string), expected)
163    }
164
165    #[test]
166    fn random_text_with_bad_chars() {
167        let convertable_string: String = "Random text with *(bad) chars".to_owned();
168        let expected: String = "randomTextWithBadChars".to_owned();
169        assert_eq!(to_camel_case(&convertable_string), expected)
170    }
171
172    #[test]
173    fn trailing_bad_chars() {
174        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
175        let expected: String = "trailingBadChars".to_owned();
176        assert_eq!(to_camel_case(&convertable_string), expected)
177    }
178
179    #[test]
180    fn leading_bad_chars() {
181        let convertable_string: String = "-!#$%leading bad chars".to_owned();
182        let expected: String = "leadingBadChars".to_owned();
183        assert_eq!(to_camel_case(&convertable_string), expected)
184    }
185
186    #[test]
187    fn wrapped_in_bad_chars() {
188        let convertable_string: String =
189            "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
190        let expected: String = "wrappedInBadChars".to_owned();
191        assert_eq!(to_camel_case(&convertable_string), expected)
192    }
193
194    #[test]
195    fn has_a_sign() {
196        let convertable_string: String = "has a + sign".to_owned();
197        let expected: String = "hasASign".to_owned();
198        assert_eq!(to_camel_case(&convertable_string), expected)
199    }
200
201    #[test]
202    fn is_correct_from_camel_case() {
203        let convertable_string: String = "fooBar".to_owned();
204        assert_eq!(is_camel_case(&convertable_string), true)
205    }
206
207    #[test]
208    fn is_correct_from_pascal_case() {
209        let convertable_string: String = "FooBar".to_owned();
210        assert_eq!(is_camel_case(&convertable_string), false)
211    }
212
213    #[test]
214    fn is_correct_from_kebab_case() {
215        let convertable_string: String = "foo-bar".to_owned();
216        assert_eq!(is_camel_case(&convertable_string), false)
217    }
218
219    #[test]
220    fn is_correct_from_sentence_case() {
221        let convertable_string: String = "Foo bar".to_owned();
222        assert_eq!(is_camel_case(&convertable_string), false)
223    }
224
225    #[test]
226    fn is_correct_from_title_case() {
227        let convertable_string: String = "Foo Bar".to_owned();
228        assert_eq!(is_camel_case(&convertable_string), false)
229    }
230
231    #[test]
232    fn is_correct_from_train_case() {
233        let convertable_string: String = "Foo-Bar".to_owned();
234        assert_eq!(is_camel_case(&convertable_string), false)
235    }
236
237    #[test]
238    fn is_correct_from_screaming_snake_case() {
239        let convertable_string: String = "FOO_BAR".to_owned();
240        assert_eq!(is_camel_case(&convertable_string), false)
241    }
242
243    #[test]
244    fn is_correct_from_snake_case() {
245        let convertable_string: String = "foo_bar".to_owned();
246        assert_eq!(is_camel_case(&convertable_string), false)
247    }
248}