yew/dom_bundle/
utils.rs

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1#[cfg(all(test, target_arch = "wasm32", verbose_tests))]
2macro_rules! test_log {
3    ($fmt:literal, $($arg:expr),* $(,)?) => {
4        ::wasm_bindgen_test::console_log!(concat!("\t  ", $fmt), $($arg),*);
5    };
6}
7#[cfg(not(all(test, target_arch = "wasm32", verbose_tests)))]
8macro_rules! test_log {
9    ($fmt:literal, $($arg:expr),* $(,)?) => {
10        // Only type-check the format expression, do not run any side effects
11        let _ = || { std::format_args!(concat!("\t  ", $fmt), $($arg),*); };
12    };
13}
14/// Log an operation during tests for debugging purposes
15/// Set RUSTFLAGS="--cfg verbose_tests" environment variable to activate.
16pub(super) use test_log;
17
18#[cfg(feature = "hydration")]
19mod feat_hydration {
20    use std::borrow::Cow;
21
22    use wasm_bindgen::JsCast;
23    use web_sys::{Element, Node};
24
25    pub(in crate::dom_bundle) fn node_type_str(node: &Node) -> Cow<'static, str> {
26        match node.node_type() {
27            Node::ELEMENT_NODE => {
28                let tag = node
29                    .dyn_ref::<Element>()
30                    .map(|m| m.tag_name().to_lowercase())
31                    .unwrap_or_else(|| "unknown".to_owned());
32
33                format!("{tag} element node").into()
34            }
35            Node::ATTRIBUTE_NODE => "attribute node".into(),
36            Node::TEXT_NODE => "text node".into(),
37            Node::CDATA_SECTION_NODE => "cdata section node".into(),
38            Node::ENTITY_REFERENCE_NODE => "entity reference node".into(),
39            Node::ENTITY_NODE => "entity node".into(),
40            Node::PROCESSING_INSTRUCTION_NODE => "processing instruction node".into(),
41            Node::COMMENT_NODE => "comment node".into(),
42            Node::DOCUMENT_NODE => "document node".into(),
43            Node::DOCUMENT_TYPE_NODE => "document type node".into(),
44            Node::DOCUMENT_FRAGMENT_NODE => "document fragment node".into(),
45            Node::NOTATION_NODE => "notation node".into(),
46            _ => "unknown node".into(),
47        }
48    }
49}
50
51#[cfg(feature = "hydration")]
52pub(super) use feat_hydration::*;
53#[cfg(test)]
54// this is needed because clippy doesn't like the import not being used
55#[allow(unused_imports)]
56pub(super) use tests::*;
57
58#[cfg(test)]
59mod tests {
60    #![allow(dead_code)]
61
62    use gloo::utils::document;
63    use web_sys::Element;
64
65    use crate::dom_bundle::{BSubtree, DomSlot};
66    use crate::html::AnyScope;
67    use crate::virtual_dom::vtag::SVG_NAMESPACE;
68
69    pub fn setup_parent() -> (BSubtree, AnyScope, Element) {
70        let scope = AnyScope::test();
71        let parent = document().create_element("div").unwrap();
72        let root = BSubtree::create_root(&parent);
73
74        document().body().unwrap().append_child(&parent).unwrap();
75
76        (root, scope, parent)
77    }
78
79    pub fn setup_parent_svg() -> (BSubtree, AnyScope, Element) {
80        let scope = AnyScope::test();
81        let parent = document()
82            .create_element_ns(Some(SVG_NAMESPACE), "svg")
83            .unwrap();
84        let root = BSubtree::create_root(&parent);
85
86        document().body().unwrap().append_child(&parent).unwrap();
87
88        (root, scope, parent)
89    }
90
91    pub const SIBLING_CONTENT: &str = "END";
92
93    pub(crate) fn setup_parent_and_sibling() -> (BSubtree, AnyScope, Element, DomSlot) {
94        let scope = AnyScope::test();
95        let parent = document().create_element("div").unwrap();
96        let root = BSubtree::create_root(&parent);
97
98        document().body().unwrap().append_child(&parent).unwrap();
99
100        let end = document().create_text_node(SIBLING_CONTENT);
101        parent.append_child(&end).unwrap();
102        let sibling = DomSlot::at(end.into());
103
104        (root, scope, parent, sibling)
105    }
106}
yew/dom_bundle/utils.rs

yew/dom_bundle/
utils.rs
