slack_messaging/blocks/
divider.rs

1use crate::validators::*;
2
3use slack_messaging_derive::Builder;
4use serde::Serialize;
5
6/// [Divider block](https://docs.slack.dev/reference/block-kit/blocks/divider-block)
7/// representation.
8///
9/// # Example
10///
11/// ```
12/// use slack_messaging::blocks::Divider;
13/// # use std::error::Error;
14///
15/// # fn try_main() -> Result<(), Box<dyn Error>> {
16/// let divider = Divider::builder()
17///     .block_id("divider_block")
18///     .build()?;
19///
20/// let expected = serde_json::json!({
21///     "type": "divider",
22///     "block_id": "divider_block"
23/// });
24///
25/// let json = serde_json::to_value(divider).unwrap();
26///
27/// assert_eq!(json, expected);
28/// #     Ok(())
29/// # }
30/// # fn main() {
31/// #     try_main().unwrap()
32/// # }
33/// ```
34#[derive(Debug, Clone, Serialize, PartialEq, Builder)]
35#[serde(tag = "type", rename = "divider")]
36pub struct Divider {
37    #[serde(skip_serializing_if = "Option::is_none")]
38    #[builder(validate("text::max_255"))]
39    pub(crate) block_id: Option<String>,
40}
41
42#[cfg(test)]
43mod tests {
44    use super::*;
45    use crate::errors::*;
46
47    #[test]
48    fn it_implements_builder() {
49        let expected = Divider {
50            block_id: Some("divider_0".into()),
51        };
52
53        let val = Divider::builder()
54            .set_block_id(Some("divider_0"))
55            .build()
56            .unwrap();
57
58        assert_eq!(val, expected);
59
60        let val = Divider::builder().block_id("divider_0").build().unwrap();
61
62        assert_eq!(val, expected);
63    }
64
65    #[test]
66    fn it_requires_block_id_less_than_255_characters_long() {
67        let err = Divider::builder()
68            .block_id("a".repeat(256))
69            .build()
70            .unwrap_err();
71        assert_eq!(err.object(), "Divider");
72
73        let errors = err.field("block_id");
74        assert!(errors.includes(ValidationErrorKind::MaxTextLength(255)));
75    }
76}
slack_messaging/blocks/divider.rs

slack_messaging/blocks/
divider.rs
