shopify_function 2.1.0

Crate to write Shopify Functions in Rust.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161

use shopify_function::prelude::*;
use shopify_function::wasm_api::Deserialize;

#[derive(Deserialize, PartialEq, Debug, Default)]
#[shopify_function(rename_all = "camelCase")]
struct TestStructWithDefault {
    // Field with default attribute - will use Default implementation when null
    #[shopify_function(default)]
    field_a: String,

    // Field with default attribute - will use Default implementation when null
    #[shopify_function(default)]
    field_b: i32,

    // Field without default attribute - will error when null
    field_c: bool,
}

// Define a struct with more complex default types
#[derive(Deserialize, PartialEq, Debug, Default)]
struct TestComplexDefaults {
    // Standard primitive types
    #[shopify_function(default)]
    integer: i32,

    #[shopify_function(default)]
    float: f64,

    #[shopify_function(default)]
    string: String,

    #[shopify_function(default)]
    boolean: bool,

    // Collection types
    #[shopify_function(default)]
    vector: Vec<i32>,

    #[shopify_function(default)]
    option: Option<String>,
}

#[test]
fn test_derive_deserialize_with_default() {
    // Test with all fields present
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "fieldA": "test",
        "fieldB": 1,
        "fieldC": true
    }));
    let root_value = context.input_get().unwrap();

    let input = TestStructWithDefault::deserialize(&root_value).unwrap();
    assert_eq!(
        input,
        TestStructWithDefault {
            field_a: "test".to_string(),
            field_b: 1,
            field_c: true
        }
    );

    // Test with default fields set to null
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "fieldA": null,
        "fieldB": null,
        "fieldC": true
    }));
    let root_value = context.input_get().unwrap();

    let input = TestStructWithDefault::deserialize(&root_value).unwrap();
    assert_eq!(
        input,
        TestStructWithDefault {
            field_a: String::default(), // Empty string
            field_b: i32::default(),    // 0
            field_c: true
        }
    );

    // Test with default fields missing
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "fieldC": true
    }));
    let root_value = context.input_get().unwrap();

    // Our implementation is handling missing fields correctly by treating them as null values
    let input = TestStructWithDefault::deserialize(&root_value).unwrap();
    assert_eq!(
        input,
        TestStructWithDefault {
            field_a: String::default(), // Empty string
            field_b: i32::default(),    // 0
            field_c: true
        }
    );
}

#[test]
fn test_derive_deserialize_complex_defaults() {
    // Test with all fields set to null
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "integer": null,
        "float": null,
        "string": null,
        "boolean": null,
        "vector": null,
        "option": null
    }));
    let root_value = context.input_get().unwrap();

    let input = TestComplexDefaults::deserialize(&root_value).unwrap();
    assert_eq!(
        input,
        TestComplexDefaults {
            integer: 0,
            float: 0.0,
            string: String::new(),
            boolean: false,
            vector: Vec::new(),
            option: None,
        }
    );

    // Test with values provided
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "integer": 42,
        "float": 3.19,
        "string": "hello",
        "boolean": true,
        "vector": [1, 2, 3],
        "option": "some value"
    }));
    let root_value = context.input_get().unwrap();

    let input = TestComplexDefaults::deserialize(&root_value).unwrap();
    assert_eq!(
        input,
        TestComplexDefaults {
            integer: 42,
            float: 3.19,
            string: "hello".to_string(),
            boolean: true,
            vector: vec![1, 2, 3],
            option: Some("some value".to_string()),
        }
    );
}

#[test]
fn test_missing_non_default_field() {
    // Missing a required field (field_c)
    let context = shopify_function::wasm_api::Context::new_with_input(serde_json::json!({
        "fieldA": "test",
        "fieldB": 1
    }));
    let root_value = context.input_get().unwrap();

    // Should fail because field_c is required
    TestStructWithDefault::deserialize(&root_value).unwrap_err();
}