gtmpl 0.7.1

The Golang Templating Language for 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

use gtmpl::{Context, Template};
use gtmpl_derive::Gtmpl;

#[test]
fn simple_define() {
    let mut template = Template::default();
    template
        .parse(r#"{{ define "tmpl"}} some {{ end -}} there is {{- template "tmpl" -}} template"#)
        .unwrap();

    let context = Context::empty();

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is some template".to_string());
}

#[test]
fn range_and_define() {
    let mut template = Template::default();
    template
        .parse(
            r#"{{ define "foo" }}{{ $ }}{{ end -}}
                  {{ range $x := . -}}{{ template "foo" . }}{{- end }}"#,
        )
        .unwrap();

    let context = Context::from(vec![1, 2]);

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "12".to_string());

    let mut template = Template::default();
    template
        .parse(
            r#"{{ define "foo" }}{{ . }}{{ end -}}
                  {{ range $x := . -}}{{ template "foo" . }}{{- end }}"#,
        )
        .unwrap();

    let context = Context::from(vec![1, 2]);

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "12".to_string());

    let mut template = Template::default();
    template
        .parse(
            r#"{{ define "foo" }}{{ $ }}{{ end -}}
                  {{ range $x := . -}}{{ template "foo" }}{{- end }}"#,
        )
        .unwrap();

    let context = Context::from(vec![1, 2]);

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "<no value><no value>".to_string());

    let mut template = Template::default();
    template
        .parse(
            r#"{{ define "foo" }}{{ . }}{{ end -}}
                  {{ range $x := . -}}{{ template "foo" }}{{- end }}"#,
        )
        .unwrap();

    let context = Context::from(vec![1, 2]);

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "<no value><no value>".to_string());
}

#[test]
fn simple_define_context() {
    let mut template = Template::default();
    template
        .parse(r#"{{ define "tmpl"}} {{.}} {{ end -}} there is {{- template "tmpl" -}} template"#)
        .unwrap();

    let context = Context::from("some");

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is <no value> template".to_string());

    let mut template = Template::default();
    template
        .parse(r#"{{ define "tmpl"}} some {{ end -}} there is {{- template "tmpl" . -}} template"#)
        .unwrap();

    let context = Context::from("some");

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is some template".to_string());
}

#[test]
fn other_define_context() {
    #[derive(Gtmpl)]
    struct Other {
        pub foo: String,
    }
    let mut template = Template::default();
    template
        .parse(r#"{{ define "tmpl"}} some {{ end -}} there is {{- template "tmpl" . -}} template"#)
        .unwrap();

    let context = Context::from(Other {
        foo: "some".to_owned(),
    });

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is some template".to_string());
}

#[test]
fn multiple_defines() {
    let mut template = Template::default();
    template
        .parse(
            r#"{{ define "tmpl1"}} some {{ end -}} {{- define "tmpl2"}} some other {{ end -}}
            there is {{- template "tmpl2" -}} template"#,
        )
        .unwrap();

    let context = Context::empty();

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is some other template".to_string());
}

#[cfg(feature = "gtmpl_dynamic_template")]
#[test]
fn dynamic_template() {
    let mut template = Template::default();
    template
        .parse(
            r#"
            {{- define "tmpl1"}} some {{ end -}}
            {{- define "tmpl2"}} some other {{ end -}}
            there is {{- template (.) -}} template"#,
        )
        .unwrap();

    let context = Context::from("tmpl2");

    let output = template.render(&context);
    assert!(output.is_ok());
    assert_eq!(output.unwrap(), "there is some other template".to_string());
}