ppt-rs 0.2.12

Create, read, and update PowerPoint 2007+ (.pptx) files with rich formatting, bullet styles, themes, and templates.
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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291

//! Integration tests for PPTX compression functionality

use ppt_rs::api::Presentation;
use ppt_rs::opc::compress::{CompressionOptions, CompressionLevel, compress_pptx, analyze_pptx};
use ppt_rs::generator::SlideContent;
use std::fs;
use std::path::Path;

#[test]
fn test_compression_api() {
    // Create a presentation with some content
    let pres = Presentation::new()
        .title("Compression Test")
        .add_slide(SlideContent::new("Slide 1").add_bullet("Point 1").add_bullet("Point 2"))
        .add_slide(SlideContent::new("Slide 2").add_bullet("Point A").add_bullet("Point B"));

    let input_path = "test_compression_input.pptx";
    let output_path = "test_compression_output.pptx";

    pres.save(input_path).unwrap();

    // Compress with default options
    let options = CompressionOptions::new()
        .with_level(CompressionLevel::Light);

    let result = pres.compress(output_path, &options).unwrap();

    // Verify output exists
    assert!(Path::new(output_path).exists());

    // Check compression result
    assert!(result.original_size > 0);
    assert!(result.compressed_size > 0);
    assert!(result.reduction_percent >= 0.0);

    // Compressed file should not be larger (or only slightly)
    assert!(result.compressed_size <= result.original_size * 2);

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_compression_with_different_levels() {
    let pres = Presentation::new()
        .title("Compression Levels")
        .add_slide(SlideContent::new("Test Slide").add_bullet("Item"));

    let input_path = "test_levels.pptx";
    pres.save(input_path).unwrap();

    // Test Light compression
    let light_opts = CompressionOptions::new().with_level(CompressionLevel::Light);
    let light_result = compress_pptx(input_path, "test_light.pptx", &light_opts).unwrap();

    // Test Medium compression
    let medium_opts = CompressionOptions::new().with_level(CompressionLevel::Medium);
    let medium_result = compress_pptx(input_path, "test_medium.pptx", &medium_opts).unwrap();

    // Both should succeed
    assert!(light_result.original_size > 0);
    assert!(medium_result.original_size > 0);

    // Cleanup
    fs::remove_file(input_path).unwrap();
    if Path::new("test_light.pptx").exists() {
        fs::remove_file("test_light.pptx").unwrap();
    }
    if Path::new("test_medium.pptx").exists() {
        fs::remove_file("test_medium.pptx").unwrap();
    }
}

#[test]
fn test_compression_presets() {
    let pres = Presentation::new()
        .title("Preset Test")
        .add_slide(SlideContent::new("Slide"));

    let input_path = "test_presets.pptx";
    let output_max = "test_max.pptx";
    let output_web = "test_web.pptx";

    pres.save(input_path).unwrap();

    // Test maximum compression preset
    let max_opts = CompressionOptions::maximum();
    let max_result = compress_pptx(input_path, output_max, &max_opts).unwrap();
    assert!(max_result.original_size > 0);

    // Test web optimization preset
    let web_opts = CompressionOptions::web();
    let web_result = compress_pptx(input_path, output_web, &web_opts).unwrap();
    assert!(web_result.original_size > 0);

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_max).unwrap();
    fs::remove_file(output_web).unwrap();
}

#[test]
fn test_analyze_pptx() {
    let pres = Presentation::new()
        .title("Analysis Test")
        .add_slide(SlideContent::new("Slide 1").add_bullet("Point"))
        .add_slide(SlideContent::new("Slide 2").add_bullet("Point"));

    let analysis = pres.analyze_size().unwrap();

    // Check analysis results
    assert!(analysis.total_size > 0);
    assert!(analysis.xml_size > 0); // PPTX has XML content
    assert_eq!(analysis.slide_count, 2);

    // Summary should contain key info
    let summary = analysis.summary();
    assert!(summary.contains("PPTX Analysis"));
    assert!(summary.contains("2")); // Slide count
}

#[test]
fn test_compression_removes_unused_media() {
    let pres = Presentation::new()
        .title("Media Removal Test")
        .add_slide(SlideContent::new("Slide"));

    let input_path = "test_media_removal.pptx";
    let output_path = "test_media_removal_compressed.pptx";

    pres.save(input_path).unwrap();

    // Compress with media removal enabled
    let options = CompressionOptions::new()
        .with_unused_media_removal(true);

    let result = compress_pptx(input_path, output_path, &options).unwrap();

    // Should have analyzed the file
    assert!(result.original_size > 0);
    assert!(result.compressed_size > 0);

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_compression_with_properties_removal() {
    let pres = Presentation::new()
        .title("Properties Removal")
        .add_slide(SlideContent::new("Slide"));

    let input_path = "test_props.pptx";
    let output_path = "test_props_compressed.pptx";

    pres.save(input_path).unwrap();

    let options = CompressionOptions::new()
        .with_properties_removal(true);

    let result = compress_pptx(input_path, output_path, &options).unwrap();

    assert!(result.original_size > 0);
    assert!(Path::new(output_path).exists());

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_compression_target_size() {
    let pres = Presentation::new()
        .title("Target Size Test")
        .add_slide(SlideContent::new("Slide"));

    let input_path = "test_target.pptx";
    let output_path = "test_target_compressed.pptx";

    pres.save(input_path).unwrap();

    // Set a very large target (should always achieve)
    let options = CompressionOptions::new()
        .with_target_size(100 * 1024 * 1024); // 100MB target

    let result = compress_pptx(input_path, output_path, &options).unwrap();

    // Should achieve target since it's very large
    assert!(result.target_achieved);

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_compression_xml_optimization() {
    let pres = Presentation::new()
        .title("XML Optimization")
        .add_slide(SlideContent::new("Slide with content").add_bullet("Point 1").add_bullet("Point 2"));

    let input_path = "test_xml_opt.pptx";
    let output_path = "test_xml_opt_compressed.pptx";

    pres.save(input_path).unwrap();

    let options = CompressionOptions::new()
        .with_xml_optimization(true);

    let result = compress_pptx(input_path, output_path, &options).unwrap();

    assert!(result.original_size > 0);
    assert!(Path::new(output_path).exists());

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_compression_result_fields() {
    let pres = Presentation::new()
        .title("Result Fields")
        .add_slide(SlideContent::new("Slide"));

    let input_path = "test_result.pptx";
    let output_path = "test_result_compressed.pptx";

    pres.save(input_path).unwrap();

    let options = CompressionOptions::new();
    let result = compress_pptx(input_path, output_path, &options).unwrap();

    // Verify all fields are populated correctly
    assert!(result.original_size > 0);
    assert!(result.compressed_size > 0);
    assert!(result.reduction_percent >= 0.0);
    // unused_media_removed and images_compressed may be 0 for simple presentations

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}

#[test]
fn test_analyze_empty_presentation() {
    // An empty presentation (no slides) might error during analysis
    // So we add at least one slide
    let pres = Presentation::new()
        .title("Minimal Analysis")
        .add_slide(SlideContent::new("Only Slide"));

    let analysis = pres.analyze_size().unwrap();

    // Minimal presentation should still have some XML structure
    assert!(analysis.total_size > 0);
    assert_eq!(analysis.slide_count, 1);

    let summary = analysis.summary();
    assert!(summary.contains("1")); // One slide
}

#[test]
fn test_compression_multiple_slides() {
    let mut pres = Presentation::new().title("Multi-Slide Compression");

    for i in 1..=10 {
        pres = pres.add_slide(
            SlideContent::new(&format!("Slide {}", i))
                .add_bullet(&format!("Bullet {}A", i))
                .add_bullet(&format!("Bullet {}B", i))
        );
    }

    let input_path = "test_multi.pptx";
    let output_path = "test_multi_compressed.pptx";

    pres.save(input_path).unwrap();

    let options = CompressionOptions::new().with_level(CompressionLevel::Medium);
    let result = compress_pptx(input_path, output_path, &options).unwrap();

    assert!(result.original_size > 0);
    assert!(Path::new(output_path).exists());

    // Cleanup
    fs::remove_file(input_path).unwrap();
    fs::remove_file(output_path).unwrap();
}