pleme_testing/
fixtures.rs

1//! Test fixtures and builders
2
3use serde::{Deserialize, Serialize};
4use uuid::Uuid;
5
6/// Fixture trait for test data builders
7pub trait Fixture: Sized {
8    type Output;
9
10    /// Build the fixture
11    fn build(self) -> Self::Output;
12
13    /// Build with custom modifications
14    fn build_with<F>(self, f: F) -> Self::Output
15    where
16        F: FnOnce(&mut Self::Output),
17    {
18        let mut output = self.build();
19        f(&mut output);
20        output
21    }
22}
23
24/// Example user fixture
25#[derive(Debug, Clone, Serialize, Deserialize)]
26pub struct User {
27    pub id: String,
28    pub email: String,
29    pub name: String,
30}
31
32/// User fixture builder
33#[derive(Default)]
34pub struct UserFixture {
35    id: Option<String>,
36    email: Option<String>,
37    name: Option<String>,
38}
39
40impl UserFixture {
41    pub fn new() -> Self {
42        Self::default()
43    }
44
45    pub fn id(mut self, id: impl Into<String>) -> Self {
46        self.id = Some(id.into());
47        self
48    }
49
50    pub fn email(mut self, email: impl Into<String>) -> Self {
51        self.email = Some(email.into());
52        self
53    }
54
55    pub fn name(mut self, name: impl Into<String>) -> Self {
56        self.name = Some(name.into());
57        self
58    }
59}
60
61impl Fixture for UserFixture {
62    type Output = User;
63
64    fn build(self) -> User {
65        User {
66            id: self.id.unwrap_or_else(|| Uuid::new_v4().to_string()),
67            email: self.email.unwrap_or_else(|| "test@example.com".to_string()),
68            name: self.name.unwrap_or_else(|| "Test User".to_string()),
69        }
70    }
71}
72
73#[cfg(test)]
74mod tests {
75    use super::*;
76
77    #[test]
78    fn test_user_fixture() {
79        let user = UserFixture::default().build();
80        assert!(!user.id.is_empty());
81        assert_eq!(user.email, "test@example.com");
82    }
83
84    #[test]
85    fn test_user_fixture_custom() {
86        let user = UserFixture::new()
87            .email("custom@example.com")
88            .name("Custom User")
89            .build();
90        assert_eq!(user.email, "custom@example.com");
91        assert_eq!(user.name, "Custom User");
92    }
93}
pleme_testing/fixtures.rs

pleme_testing/
fixtures.rs
