trimdown 0.1.6

Fast file compression tool for Office documents (PPTX, DOCX, XLSX), PDFs, videos, images, OpenDocument formats, and archives with streaming support
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

use std::path::PathBuf;
use trimdown::{detect_file_type, FileType};

#[test]
fn test_fixture_images_exist() {
    let fixtures = vec![
        "tests/fixtures/images/sample.jpg",
        "tests/fixtures/images/sample.png",
        "tests/fixtures/images/sample.webp",
        "tests/fixtures/images/large.jpg",
    ];

    for fixture in fixtures {
        let path = PathBuf::from(fixture);
        assert!(path.exists(), "Fixture file not found: {}", fixture);
        
        let metadata = std::fs::metadata(&path).unwrap();
        assert!(metadata.len() > 0, "Fixture file is empty: {}", fixture);
    }
}

#[test]
fn test_fixture_videos_exist() {
    let fixtures = vec![
        "tests/fixtures/videos/sample.mp4",
        "tests/fixtures/videos/sample2.mp4",
    ];

    for fixture in fixtures {
        let path = PathBuf::from(fixture);
        assert!(path.exists(), "Fixture file not found: {}", fixture);
        
        let metadata = std::fs::metadata(&path).unwrap();
        assert!(metadata.len() > 0, "Fixture file is empty: {}", fixture);
    }
}

#[test]
fn test_fixture_pdfs_exist() {
    let fixtures = vec![
        "tests/fixtures/pdfs/sample.pdf",
    ];

    for fixture in fixtures {
        let path = PathBuf::from(fixture);
        assert!(path.exists(), "Fixture file not found: {}", fixture);
        
        let metadata = std::fs::metadata(&path).unwrap();
        assert!(metadata.len() > 0, "Fixture file is empty: {}", fixture);
    }
}

#[test]
fn test_fixture_office_exist() {
    let fixtures = vec![
        "tests/fixtures/office/sample.pptx",
        "tests/fixtures/office/sample.docx",
    ];

    for fixture in fixtures {
        let path = PathBuf::from(fixture);
        assert!(path.exists(), "Fixture file not found: {}", fixture);
        
        let metadata = std::fs::metadata(&path).unwrap();
        assert!(metadata.len() > 0, "Fixture file is empty: {}", fixture);
    }
}

#[test]
fn test_detect_fixture_file_types() {
    let test_cases = vec![
        ("tests/fixtures/videos/sample.mp4", FileType::Video),
        ("tests/fixtures/pdfs/sample.pdf", FileType::Pdf),
        ("tests/fixtures/office/sample.pptx", FileType::PowerPoint),
        ("tests/fixtures/office/sample.docx", FileType::Word),
    ];

    for (path, expected_type) in test_cases {
        let detected = detect_file_type(&PathBuf::from(path)).unwrap();
        assert_eq!(detected, expected_type, "Failed to detect type for {}", path);
    }
}

#[test]
fn test_fixture_file_sizes() {
    // Verify files have reasonable sizes
    let path = PathBuf::from("tests/fixtures/images/large.jpg");
    let metadata = std::fs::metadata(&path).unwrap();
    assert!(metadata.len() > 100_000, "Large image should be > 100KB");

    let path = PathBuf::from("tests/fixtures/videos/sample.mp4");
    let metadata = std::fs::metadata(&path).unwrap();
    assert!(metadata.len() > 10_000, "Video should be > 10KB");

    let path = PathBuf::from("tests/fixtures/pdfs/sample.pdf");
    let metadata = std::fs::metadata(&path).unwrap();
    assert!(metadata.len() > 500, "PDF should be > 500 bytes");
}

#[test]
fn test_fixture_image_formats() {
    let formats: Vec<(&str, &[u8])> = vec![
        ("tests/fixtures/images/sample.jpg", &[0xFF, 0xD8, 0xFF]),
        ("tests/fixtures/images/sample.png", &[0x89, 0x50, 0x4E, 0x47]),
    ];

    for (path, magic_bytes) in formats {
        let mut file = std::fs::File::open(path).unwrap();
        let mut buffer = vec![0u8; magic_bytes.len()];
        use std::io::Read;
        file.read_exact(&mut buffer).unwrap();
        
        assert_eq!(&buffer[..], magic_bytes, "Invalid magic bytes for {}", path);
    }
}

#[test]
fn test_fixture_pdf_header() {
    let path = "tests/fixtures/pdfs/sample.pdf";
    let mut file = std::fs::File::open(path).unwrap();
    let mut buffer = vec![0u8; 5];
    use std::io::Read;
    file.read_exact(&mut buffer).unwrap();
    
    assert_eq!(&buffer[..], b"%PDF-", "Invalid PDF header");
}

#[test]
fn test_fixture_office_zip_structure() {
    use std::io::Read;
    
    // PPTX and DOCX are ZIP files
    let fixtures = vec![
        "tests/fixtures/office/sample.pptx",
        "tests/fixtures/office/sample.docx",
    ];

    for fixture in fixtures {
        let mut file = std::fs::File::open(fixture).unwrap();
        let mut buffer = vec![0u8; 4];
        file.read_exact(&mut buffer).unwrap();
        
        // ZIP magic bytes: PK\x03\x04
        assert_eq!(&buffer[..2], b"PK", "Invalid ZIP header for {}", fixture);
    }
}