browsing 0.1.4

Lightweight MCP/API for browser automation: navigate, get content (text), screenshot. Parallelism via RwLock.
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

//! File operation integration tests

use browsing::tools::handlers::FileHandler;
use browsing::tools::handlers::Handler;
use browsing::tools::views::{ActionContext, ActionParams};
use std::collections::HashMap;

#[tokio::test]
async fn test_write_file_creates_file_with_content() {
    let temp_dir = tempfile::tempdir().unwrap();
    let file_path = temp_dir.path().join("test_write.txt");
    let file_path_str = file_path.to_str().unwrap();

    let mut params = HashMap::new();
    params.insert("path".to_string(), serde_json::json!(file_path_str));
    params.insert("content".to_string(), serde_json::json!("Hello, file operations!"));

    let action_params = ActionParams::new(&params).with_action_type("write_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await.unwrap();
    assert!(result.extracted_content.is_some());
    assert!(result
        .extracted_content
        .unwrap()
        .contains("Successfully wrote"));

    // Verify file exists and has correct content
    let read_content = std::fs::read_to_string(&file_path).unwrap();
    assert_eq!(read_content, "Hello, file operations!");
}

#[tokio::test]
async fn test_read_file_reads_existing_file() {
    let temp_dir = tempfile::tempdir().unwrap();
    let file_path = temp_dir.path().join("test_read.txt");
    let file_path_str = file_path.to_str().unwrap();

    // Pre-write file
    std::fs::write(&file_path, "Pre-existing content").unwrap();

    let mut params = HashMap::new();
    params.insert("path".to_string(), serde_json::json!(file_path_str));

    let action_params = ActionParams::new(&params).with_action_type("read_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await.unwrap();
    assert_eq!(
        result.extracted_content,
        Some("Pre-existing content".to_string())
    );
}

#[tokio::test]
async fn test_write_file_rejects_path_traversal() {
    let mut params = HashMap::new();
    params.insert("path".to_string(), serde_json::json!("../etc/passwd"));
    params.insert("content".to_string(), serde_json::json!("malicious"));

    let action_params = ActionParams::new(&params).with_action_type("write_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await;
    assert!(result.is_err());
    let err_msg = format!("{}", result.unwrap_err());
    assert!(err_msg.contains("path traversal"));
}

#[tokio::test]
async fn test_read_file_rejects_nonexistent_file() {
    let mut params = HashMap::new();
    params.insert(
        "path".to_string(),
        serde_json::json!("/tmp/nonexistent_file_12345.txt"),
    );

    let action_params = ActionParams::new(&params).with_action_type("read_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await;
    assert!(result.is_err());
    let err_msg = format!("{}", result.unwrap_err());
    assert!(err_msg.contains("does not exist"));
}

#[tokio::test]
async fn test_write_file_creates_parent_directories() {
    let temp_dir = tempfile::tempdir().unwrap();
    let nested_path = temp_dir.path().join("a/b/c/nested.txt");
    let nested_path_str = nested_path.to_str().unwrap();

    let mut params = HashMap::new();
    params.insert("path".to_string(), serde_json::json!(nested_path_str));
    params.insert("content".to_string(), serde_json::json!("nested content"));

    let action_params = ActionParams::new(&params).with_action_type("write_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await;
    assert!(result.is_ok());
    assert!(nested_path.exists());

    let content = std::fs::read_to_string(&nested_path).unwrap();
    assert_eq!(content, "nested content");
}

#[tokio::test]
async fn test_read_file_rejects_directory() {
    let temp_dir = tempfile::tempdir().unwrap();
    let dir_path = temp_dir.path().to_str().unwrap();

    let mut params = HashMap::new();
    params.insert("path".to_string(), serde_json::json!(dir_path));

    let action_params = ActionParams::new(&params).with_action_type("read_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await;
    assert!(result.is_err());
    let err_msg = format!("{}", result.unwrap_err());
    assert!(err_msg.contains("not a file"));
}

#[tokio::test]
async fn test_replace_file_replaces_text() {
    let temp_dir = tempfile::tempdir().unwrap();
    let file_path = temp_dir.path().join("replace_test.txt");
    std::fs::write(&file_path, "Hello old world old").unwrap();

    let mut params = HashMap::new();
    params.insert(
        "path".to_string(),
        serde_json::json!(file_path.to_str().unwrap()),
    );
    params.insert("old_text".to_string(), serde_json::json!("old"));
    params.insert("new_text".to_string(), serde_json::json!("new"));

    let action_params =
        ActionParams::new(&params).with_action_type("replace_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await.unwrap();
    assert!(result.extracted_content.unwrap().contains("2 occurrence"));

    let content = std::fs::read_to_string(&file_path).unwrap();
    assert_eq!(content, "Hello new world new");
}

#[tokio::test]
async fn test_replace_file_rejects_nonexistent_file() {
    let mut params = HashMap::new();
    params.insert(
        "path".to_string(),
        serde_json::json!("/tmp/nonexistent_replace.txt"),
    );
    params.insert("old_text".to_string(), serde_json::json!("foo"));
    params.insert("new_text".to_string(), serde_json::json!("bar"));

    let action_params =
        ActionParams::new(&params).with_action_type("replace_file".to_string());
    let mut context = ActionContext {
        browser: &mut browsing::browser::Browser::new(
            browsing::browser::BrowserProfile::default(),
        ),
        selector_map: None,
    };

    let result = FileHandler.handle(&action_params, &mut context).await;
    assert!(result.is_err());
    let err_msg = format!("{}", result.unwrap_err());
    assert!(err_msg.contains("does not exist"));
}