File size: 3,998 Bytes
d90101d | 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 | use std::collections::HashSet;
use convert_case::{Case, Casing};
use forge_api::{ToolName, ToolsOverview};
use crate::info::Info;
/// Formats the tools overview for display using the Info component,
/// organized by categories with availability checkboxes.
pub fn format_tools(agent_tools: &[ToolName], overview: &ToolsOverview) -> Info {
let mut info = Info::new();
let agent_tools = agent_tools.iter().collect::<HashSet<_>>();
let checkbox = |tool_name: &ToolName| -> &str {
if agent_tools.contains(tool_name) {
"[✓]"
} else {
"[ ]"
}
};
// System tools section
info = info.add_title("SYSTEM");
for tool in &overview.system {
info = info.add_value(format!("{} {}", checkbox(&tool.name), tool.name));
}
// Agents section
info = info.add_title("AGENTS");
for tool in &overview.agents {
info = info.add_value(format!("{} {}", checkbox(&tool.name), tool.name));
}
// MCP tools section
if !overview.mcp.get_servers().is_empty() {
for (server_name, tools) in overview.mcp.get_servers().iter() {
let title = (*server_name).to_case(Case::UpperSnake);
info = info.add_title(title);
for tool in tools {
info = info.add_value(format!("{} {}", checkbox(&tool.name), tool.name));
}
}
}
// Failed MCP servers section
if !overview.mcp.get_failures().is_empty() {
info = info.add_title("FAILED MCP SERVERS");
for (server_name, error) in overview.mcp.get_failures().iter() {
// Truncate error message for readability in list view
// Use 'mcp show <name>' for full error details
let truncated_error = truncate_error(error);
info = info.add_value(format!("[✗] {server_name} - {truncated_error}"));
}
}
info
}
/// Truncates an error message to at most 80 characters for display.
///
/// If the message exceeds 80 characters, the first 77 characters are kept
/// followed by "...". Uses character-based counting to avoid panicking on
/// multi-byte UTF-8 strings.
fn truncate_error(error: &str) -> String {
if error.chars().count() > 80 {
let truncated: String = error.chars().take(77).collect();
format!("{truncated}...")
} else {
error.to_string()
}
}
#[cfg(test)]
mod tests {
use pretty_assertions::assert_eq;
use super::*;
#[test]
fn test_truncate_error_short_message() {
let fixture = "Connection refused";
let actual = truncate_error(fixture);
let expected = "Connection refused";
assert_eq!(actual, expected);
}
#[test]
fn test_truncate_error_long_ascii_message() {
let fixture = "A".repeat(100);
let actual = truncate_error(&fixture);
assert_eq!(actual.chars().count(), 80);
assert!(actual.ends_with("..."));
}
#[test]
fn test_truncate_error_multibyte_chars_no_panic() {
// Error containing multi-byte UTF-8 chars (→ is 3 bytes)
let fixture = "Error: struct → prioritizes struct definitions, trait → prioritizes traits, impl → prioritizes impls, and more details follow here";
let actual = truncate_error(fixture);
// Should not panic and should truncate correctly by char count
assert!(actual.chars().count() <= 80);
assert!(actual.ends_with("..."));
}
#[test]
fn test_truncate_error_emoji_no_panic() {
// Error containing 4-byte emojis - 90 emoji chars > 80 limit
let fixture = "🚀".repeat(90);
let actual = truncate_error(&fixture);
assert_eq!(actual.chars().count(), 80);
assert!(actual.ends_with("..."));
}
#[test]
fn test_truncate_error_exactly_80_chars() {
let fixture = "A".repeat(80);
let actual = truncate_error(&fixture);
let expected = "A".repeat(80);
assert_eq!(actual, expected);
}
}
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