fruit 0.2.0

Tree but just the juicy bits
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

//! Integration tests for fruit

mod harness;

use harness::{TestRepo, run_fruit};

#[test]
fn test_basic_tree_output() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "//! Main module\nfn main() {}");
    repo.add_file("lib.rs", "//! Library module\npub mod foo;");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success, "fruit should succeed");
    assert!(stdout.contains("main.rs"), "should show main.rs");
    assert!(stdout.contains("lib.rs"), "should show lib.rs");
}

#[test]
fn test_comment_extraction() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "//! CLI entry point\nfn main() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(
        stdout.contains("# CLI entry point"),
        "should extract comment: {}",
        stdout
    );
}

#[test]
fn test_gitignore_filtering() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "fn main() {}");
    repo.add_untracked("debug.log", "log content");
    // Add a .gitignore that ignores *.log files
    repo.add_file(".gitignore", "*.log\n");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(stdout.contains("main.rs"), "should show .rs file");
    assert!(
        !stdout.contains("debug.log"),
        "should not show .log file (ignored by .gitignore): {}",
        stdout
    );
}

#[test]
fn test_untracked_files_shown() {
    // With gitignore-based filtering, untracked files ARE shown (unlike old behavior)
    // unless they match a .gitignore pattern
    let repo = TestRepo::with_git();
    repo.add_file("tracked.rs", "fn tracked() {}");
    repo.add_untracked("untracked.rs", "fn untracked() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(stdout.contains("tracked.rs"), "should show tracked file");
    assert!(
        stdout.contains("untracked.rs"),
        "should show untracked file (gitignore-based filtering): {}",
        stdout
    );
}

#[test]
fn test_show_all_flag() {
    // -a should show files that would normally be hidden by .gitignore
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "fn main() {}");
    repo.add_file(".gitignore", "*.log\n");
    repo.add_untracked("debug.log", "log content");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["-a"]);
    assert!(success);
    assert!(stdout.contains("main.rs"), "should show main.rs");
    assert!(
        stdout.contains("debug.log"),
        "should show ignored file with -a: {}",
        stdout
    );
}

#[test]
fn test_depth_limit() {
    let repo = TestRepo::with_git();
    repo.add_file("top.rs", "fn top() {}");
    repo.add_file("level1/mid.rs", "fn mid() {}");
    repo.add_file("level1/level2/deep.rs", "fn deep() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["-L", "1"]);
    assert!(success);
    assert!(stdout.contains("top.rs"), "should show top level");
    assert!(stdout.contains("level1"), "should show first level dir");
    // Should not descend into level2
    assert!(
        !stdout.contains("deep.rs"),
        "should not show deep files: {}",
        stdout
    );
}

#[test]
fn test_dirs_only() {
    let repo = TestRepo::with_git();
    repo.add_file("file.rs", "fn file() {}");
    repo.add_file("subdir/nested.rs", "fn nested() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["-d"]);
    assert!(success);
    assert!(
        !stdout.contains("file.rs"),
        "should not show files: {}",
        stdout
    );
    assert!(stdout.contains("subdir"), "should show directories");
}

#[test]
fn test_no_comments_flag() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "//! Module comment\nfn main() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["--no-comments"]);
    assert!(success);
    assert!(stdout.contains("main.rs"), "should show file");
    assert!(
        !stdout.contains("Module comment"),
        "should not extract comments: {}",
        stdout
    );
}

#[test]
fn test_nested_directories() {
    let repo = TestRepo::with_git();
    repo.add_file("src/main.rs", "//! Entry point\nfn main() {}");
    repo.add_file("src/lib.rs", "//! Library\npub mod foo;");
    repo.add_file("src/foo/mod.rs", "//! Foo module\npub fn foo() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(stdout.contains("src"));
    assert!(stdout.contains("main.rs"));
    assert!(stdout.contains("foo"));
    assert!(stdout.contains("mod.rs"));
}

#[test]
fn test_ignore_pattern() {
    let repo = TestRepo::with_git();
    repo.add_file("keep.rs", "fn keep() {}");
    repo.add_file("ignore_me.rs", "fn ignore() {}");
    repo.add_file("also_ignore.rs", "fn also() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["-I", "*ignore*"]);
    assert!(success);
    assert!(stdout.contains("keep.rs"), "should show non-ignored files");
    assert!(
        !stdout.contains("ignore_me.rs"),
        "should ignore matching pattern: {}",
        stdout
    );
}

#[test]
fn test_python_comments() {
    let repo = TestRepo::with_git();
    repo.add_file(
        "script.py",
        r#""""Module docstring for the script."""

def main():
    pass
"#,
    );

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(
        stdout.contains("# Module docstring"),
        "should extract Python docstring: {}",
        stdout
    );
}

#[test]
fn test_javascript_comments() {
    let repo = TestRepo::with_git();
    repo.add_file(
        "app.js",
        r#"/**
 * Main application module
 */
export function main() {}
"#,
    );

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    assert!(
        stdout.contains("# Main application module"),
        "should extract JSDoc comment: {}",
        stdout
    );
}

#[test]
fn test_directory_file_counts() {
    let repo = TestRepo::with_git();
    repo.add_file("a.rs", "fn a() {}");
    repo.add_file("b.rs", "fn b() {}");
    repo.add_file("sub/c.rs", "fn c() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &[]);
    assert!(success);
    // Should have 1 directory (sub) and 3 files
    assert!(
        stdout.contains("1 directories, 3 files"),
        "should count correctly: {}",
        stdout
    );
}

#[test]
fn test_json_output() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "//! CLI entry point\nfn main() {}");
    repo.add_file("src/lib.rs", "//! Library module\npub mod foo;");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["--json"]);
    assert!(success, "fruit --json should succeed");

    // Parse as JSON to verify valid output
    let json: serde_json::Value =
        serde_json::from_str(&stdout).expect("output should be valid JSON");

    // Check structure
    assert_eq!(json["type"], "dir", "root should be a directory");
    assert!(json["children"].is_array(), "should have children array");

    // Verify files are included with correct structure
    let children = json["children"].as_array().unwrap();
    let main_rs = children.iter().find(|c| c["name"] == "main.rs");
    assert!(main_rs.is_some(), "should include main.rs");

    let main_rs = main_rs.unwrap();
    assert_eq!(main_rs["type"], "file");
    assert_eq!(main_rs["comment"], "CLI entry point");
}

#[test]
fn test_json_no_comments() {
    let repo = TestRepo::with_git();
    repo.add_file("main.rs", "//! Has comment\nfn main() {}");
    repo.add_file("empty.rs", "fn no_comment() {}");

    let (stdout, _stderr, success) = run_fruit(repo.path(), &["--json"]);
    assert!(success);

    let json: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    let children = json["children"].as_array().unwrap();

    // File with comment should have comment field
    let main_rs = children.iter().find(|c| c["name"] == "main.rs").unwrap();
    assert!(main_rs["comment"].is_string());

    // File without comment should not have comment field (skip_serializing_if)
    let empty = children.iter().find(|c| c["name"] == "empty.rs").unwrap();
    assert!(
        empty.get("comment").is_none(),
        "comment should be omitted when None"
    );
}