ass-core 0.1.2

High-performance ASS subtitle format parser and analyzer
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

//! Unit tests for [`StreamingContext`] and its interaction with [`ParserState`].

use super::*;
#[cfg(not(feature = "std"))]
use alloc::{format, string::ToString};

#[test]
fn streaming_context_operations() {
    let mut context = StreamingContext::new();
    assert_eq!(context.line_number, 0);
    assert_eq!(context.current_section, None);

    context.next_line();
    assert_eq!(context.line_number, 1);

    context.enter_section(SectionKind::Events);
    assert_eq!(context.current_section, Some(SectionKind::Events));

    context.set_events_format("Layer,Start,End,Text".to_string());
    assert!(context.events_format.is_some());

    context.reset();
    assert_eq!(context.line_number, 0);
    assert_eq!(context.current_section, None);
    assert!(context.events_format.is_none());
}

#[test]
fn streaming_context_default() {
    let context = StreamingContext::default();
    assert_eq!(context.line_number, 0);
    assert_eq!(context.current_section, None);
    assert!(context.events_format.is_none());
    assert!(context.styles_format.is_none());
}

#[test]
fn streaming_context_debug_and_clone() {
    let context = StreamingContext::new();
    let debug_str = format!("{context:?}");
    assert!(debug_str.contains("StreamingContext"));
    assert!(debug_str.contains("line_number"));

    let mut context_with_data = StreamingContext::new();
    context_with_data.next_line();
    context_with_data.enter_section(SectionKind::Events);
    context_with_data.set_events_format("Test Format".to_string());

    let cloned = context_with_data.clone();
    assert_eq!(cloned.line_number, context_with_data.line_number);
    assert_eq!(cloned.current_section, context_with_data.current_section);
    assert_eq!(cloned.events_format, context_with_data.events_format);
}

#[test]
fn streaming_context_format_management() {
    let mut context = StreamingContext::new();

    // Test events format
    assert!(context.events_format.is_none());
    context.set_events_format("Layer, Start, End, Style, Text".to_string());
    assert!(context.events_format.is_some());
    assert_eq!(
        context.events_format.as_ref().unwrap(),
        "Layer, Start, End, Style, Text"
    );

    // Test styles format
    assert!(context.styles_format.is_none());
    context.set_styles_format("Name, Fontname, Fontsize".to_string());
    assert!(context.styles_format.is_some());
    assert_eq!(
        context.styles_format.as_ref().unwrap(),
        "Name, Fontname, Fontsize"
    );

    // Test reset clears formats
    context.reset();
    assert!(context.events_format.is_none());
    assert!(context.styles_format.is_none());
}

#[test]
fn streaming_context_section_management() {
    let mut context = StreamingContext::new();
    assert_eq!(context.current_section, None);

    context.enter_section(SectionKind::ScriptInfo);
    assert_eq!(context.current_section, Some(SectionKind::ScriptInfo));

    context.enter_section(SectionKind::Events);
    assert_eq!(context.current_section, Some(SectionKind::Events));

    context.exit_section();
    assert_eq!(context.current_section, None);
}

#[test]
fn streaming_context_line_tracking() {
    let mut context = StreamingContext::new();
    assert_eq!(context.line_number, 0);

    for expected_line in 1..=100 {
        context.next_line();
        assert_eq!(context.line_number, expected_line);
    }

    context.reset();
    assert_eq!(context.line_number, 0);
}

#[test]
fn complex_state_context_interaction() {
    let mut state = ParserState::ExpectingSection;
    let mut context = StreamingContext::new();

    // Simulate processing script
    context.next_line(); // Line 1
    state.enter_section(SectionKind::ScriptInfo);
    context.enter_section(SectionKind::ScriptInfo);

    context.next_line(); // Line 2
    context.next_line(); // Line 3

    state.enter_section(SectionKind::Events);
    context.enter_section(SectionKind::Events);
    context.set_events_format("Layer, Start, End, Text".to_string());

    context.next_line(); // Line 4
    state.enter_event(SectionKind::Events);

    assert_eq!(context.line_number, 4);
    assert!(context.events_format.is_some());
    assert_eq!(context.current_section, Some(SectionKind::Events));
    assert_eq!(state.current_section(), Some(SectionKind::Events));
}