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refactor: yahoo code restructure

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0xrsydn 2026-03-06 16:54:16 +00:00
commit 4f338a92d6
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src/api/yahoo.rs
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@ -1,843 +0,0 @@
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::process::{Command, Output};
use std::sync::Mutex;
use std::time::Duration;
use serde::Deserialize;
use crate::api::MarketDataProvider;
use crate::api::types::{Fundamentals, Interval, Ohlc, Period, Quote};
use crate::error::IdxError;
const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36";
const BASE_URL: &str = "https://query2.finance.yahoo.com";
const COOKIE_FETCH_URL: &str = "https://fc.yahoo.com";
const CRUMB_FETCH_URL: &str = "https://query1.finance.yahoo.com/v1/test/getcrumb";
pub struct YahooProvider {
agent: ureq::Agent,
verbose: bool,
crumb: Mutex<Option<String>>,
}
impl YahooProvider {
pub fn new(verbose: bool) -> Self {
let agent: ureq::Agent = ureq::Agent::config_builder()
.timeout_connect(Some(Duration::from_secs(5)))
.timeout_recv_body(Some(Duration::from_secs(10)))
.build()
.into();
Self {
agent,
verbose,
crumb: Mutex::new(None),
}
}
fn chart_url(symbol: &str, period: &Period, interval: &Interval) -> String {
format!(
"{BASE_URL}/v8/finance/chart/{symbol}?range={}&interval={}",
period.as_str(),
interval.as_str()
)
}
fn quote_summary_url(symbol: &str, crumb: &str) -> String {
format!(
"{BASE_URL}/v10/finance/quoteSummary/{symbol}?modules=defaultKeyStatistics,financialData,incomeStatementHistory&crumb={crumb}"
)
}
fn cookie_jar_path() -> PathBuf {
PathBuf::from(format!("/tmp/idx_yf_{}.txt", std::process::id()))
}
fn parse_crumb_body(raw: &str) -> Result<String, IdxError> {
let crumb = raw.trim();
if crumb.is_empty() {
return Err(IdxError::Http("received empty Yahoo crumb".to_string()));
}
let normalized = crumb.to_ascii_lowercase();
if normalized.contains("<html>") || normalized.contains("<!doctype html") {
return Err(IdxError::Http(
"received HTML instead of a Yahoo crumb".to_string(),
));
}
if normalized.contains("too many requests") {
return Err(IdxError::Http(
"Yahoo crumb request was rate limited".to_string(),
));
}
Ok(crumb.to_string())
}
fn cookie_header_from_jar(path: &Path) -> Result<String, IdxError> {
let jar = std::fs::read_to_string(path).map_err(|e| {
IdxError::Http(format!(
"failed to read Yahoo cookie jar {}: {e}",
path.display()
))
})?;
let cookies: Vec<String> = jar
.lines()
.filter_map(|line| {
let trimmed = line.trim();
if trimmed.is_empty() {
return None;
}
let candidate = trimmed.strip_prefix("#HttpOnly_").unwrap_or(trimmed);
if candidate.starts_with('#') {
return None;
}
let fields: Vec<_> = candidate.split('\t').collect();
if fields.len() < 7 {
return None;
}
let name = fields[5].trim();
let value = fields[6].trim();
if name.is_empty() {
return None;
}
Some(format!("{name}={value}"))
})
.collect();
if cookies.is_empty() {
return Err(IdxError::Http(format!(
"Yahoo cookie jar {} did not contain any cookies",
path.display()
)));
}
Ok(cookies.join("; "))
}
fn chrome_curl_binary() -> Option<&'static str> {
// curl-impersonate-chrome ships per-version binaries (curl_chrome131 etc).
// Try latest versions first; no --impersonate flag needed — the binary IS the impersonation.
const CANDIDATES: &[&str] = &[
"curl_chrome136",
"curl_chrome133a",
"curl_chrome131",
"curl_chrome124",
"curl_chrome120",
"curl_chrome116",
];
CANDIDATES
.iter()
.copied()
.find(|bin| Command::new(bin).arg("--version").output().is_ok())
}
fn run_curl(stage: &str, binary: &str, args: &[&str]) -> Result<Output, IdxError> {
let output = Command::new(binary).args(args).output().map_err(|e| {
if e.kind() == std::io::ErrorKind::NotFound {
return IdxError::Http(format!(
"curl-impersonate binary '{binary}' not found; install nixpkgs#curl-impersonate-chrome"
));
}
IdxError::Http(format!("failed to run {binary} for Yahoo {stage}: {e}"))
})?;
if output.status.success() {
return Ok(output);
}
let stderr = String::from_utf8_lossy(&output.stderr);
let detail = stderr.trim();
Err(IdxError::Http(format!(
"Yahoo {stage} {binary} failed (status {}): {}",
output.status,
if detail.is_empty() {
"no output"
} else {
detail
}
)))
}
fn fetch_crumb_via_curl(&self) -> Result<String, IdxError> {
let binary = Self::chrome_curl_binary().ok_or_else(|| {
IdxError::Http(
"no curl_chrome* binary found; install nixpkgs#curl-impersonate-chrome".to_string(),
)
})?;
let cookie_jar = Self::cookie_jar_path();
let cookie_jar_str = cookie_jar.to_str().ok_or_else(|| {
IdxError::Io(format!(
"failed to encode Yahoo cookie jar path {}",
cookie_jar.display()
))
})?;
// Step 1: fetch fc.yahoo.com to set A3 cookie (returns 404 but writes cookie jar)
// We allow non-zero exit here since 404 still writes the cookie
let _ = Command::new(binary)
.args([
"--silent",
"--cookie-jar",
cookie_jar_str,
COOKIE_FETCH_URL,
"--output",
"/dev/null",
])
.output();
// Step 2: fetch crumb with cookie jar (Chrome TLS fingerprint + A3 cookie)
let output = Self::run_curl(
"crumb fetch",
binary,
&["--silent", "--cookie", cookie_jar_str, CRUMB_FETCH_URL],
)?;
let body = String::from_utf8_lossy(&output.stdout);
Self::parse_crumb_body(&body)
}
fn get_or_init_crumb(&self) -> Result<String, IdxError> {
let mut guard = self
.crumb
.lock()
.map_err(|e| IdxError::Io(format!("crumb lock poisoned: {e}")))?;
if let Some(crumb) = guard.as_ref() {
return Ok(crumb.clone());
}
let crumb = self.fetch_crumb_via_curl()?;
*guard = Some(crumb.clone());
Ok(crumb)
}
fn clear_crumb(&self) -> Result<(), IdxError> {
let mut guard = self
.crumb
.lock()
.map_err(|e| IdxError::Io(format!("crumb lock poisoned: {e}")))?;
*guard = None;
Ok(())
}
fn fetch_chart(
&self,
symbol: &str,
period: &Period,
interval: &Interval,
) -> Result<ChartResponse, IdxError> {
let mut wait = Duration::from_millis(250);
for attempt in 0..3 {
let url = Self::chart_url(symbol, period, interval);
let response = self.agent.get(&url).header("User-Agent", USER_AGENT).call();
match response {
Ok(ok) => {
let chart = ok
.into_body()
.read_json::<ChartResponse>()
.map_err(|e| IdxError::ParseError(e.to_string()))?;
if let Some(err) = chart.chart.error.as_ref() {
return Err(map_yahoo_error(symbol, "chart", err));
}
return Ok(chart);
}
Err(ureq::Error::StatusCode(429)) => {
if attempt < 2 {
std::thread::sleep(wait + jitter());
wait *= 2;
}
}
Err(ureq::Error::StatusCode(404)) => {
return Err(IdxError::SymbolNotFound(symbol.to_string()));
}
Err(e) => return Err(IdxError::Http(e.to_string())),
}
}
Err(IdxError::RateLimited)
}
fn fetch_quote_summary(&self, symbol: &str) -> Result<QuoteSummaryResponse, IdxError> {
for auth_attempt in 0..2 {
let crumb = self.get_or_init_crumb()?;
// Read the A3 cookie written during crumb fetch and pass it to quoteSummary
let cookie_header =
Self::cookie_header_from_jar(&Self::cookie_jar_path()).unwrap_or_default();
let url = Self::quote_summary_url(symbol, &crumb);
let mut wait = Duration::from_millis(250);
for attempt in 0..3 {
let mut req = self.agent.get(&url).header("User-Agent", USER_AGENT);
if !cookie_header.is_empty() {
req = req.header("Cookie", &cookie_header);
}
let response = req.call();
match response {
Ok(ok) => {
let quote_summary = ok
.into_body()
.read_json::<QuoteSummaryResponse>()
.map_err(|e| IdxError::ParseError(e.to_string()))?;
if let Some(err) = quote_summary.quote_summary.error.as_ref() {
return Err(map_yahoo_error(symbol, "quoteSummary", err));
}
return Ok(quote_summary);
}
Err(ureq::Error::StatusCode(401)) => {
if auth_attempt == 0 {
self.clear_crumb()?;
break;
}
return Err(IdxError::Http(
"yahoo quoteSummary returned unauthorized (401)".to_string(),
));
}
Err(ureq::Error::StatusCode(429)) => {
if attempt < 2 {
std::thread::sleep(wait + jitter());
wait *= 2;
}
}
Err(ureq::Error::StatusCode(404)) => {
return Err(IdxError::SymbolNotFound(symbol.to_string()));
}
Err(e) => return Err(IdxError::Http(e.to_string())),
}
}
}
Err(IdxError::RateLimited)
}
}
fn jitter() -> Duration {
Duration::from_millis(fastrand::u64(0..100))
}
fn round_price(value: f64) -> i64 {
value.round() as i64
}
// verbose behavior is configured on YahooProvider and threaded into history parsing.
fn map_yahoo_error(symbol: &str, endpoint: &str, err: &ChartError) -> IdxError {
if err.code.eq_ignore_ascii_case("Not Found") {
return IdxError::SymbolNotFound(symbol.to_string());
}
IdxError::Http(format!(
"yahoo {endpoint} error {}: {}",
err.code, err.description
))
}
impl MarketDataProvider for YahooProvider {
fn quote(&self, symbol: &str) -> Result<Quote, IdxError> {
let chart = self.fetch_chart(symbol, &Period::OneDay, &Interval::Day)?;
parse_quote(symbol, &chart)
}
fn fundamentals(&self, symbol: &str) -> Result<Fundamentals, IdxError> {
let quote_summary = self.fetch_quote_summary(symbol)?;
parse_fundamentals(symbol, &quote_summary)
}
fn history(
&self,
symbol: &str,
period: &Period,
interval: &Interval,
) -> Result<Vec<Ohlc>, IdxError> {
let chart = self.fetch_chart(symbol, period, interval)?;
parse_history_with_verbose(&chart, self.verbose)
}
}
pub(crate) fn parse_quote_from_str(symbol: &str, raw: &str) -> Result<Quote, IdxError> {
let chart: ChartResponse =
serde_json::from_str(raw).map_err(|e| IdxError::ParseError(e.to_string()))?;
if let Some(err) = chart.chart.error.as_ref() {
return Err(map_yahoo_error(symbol, "chart", err));
}
parse_quote(symbol, &chart)
}
fn parse_quote(symbol: &str, chart: &ChartResponse) -> Result<Quote, IdxError> {
if let Some(err) = chart.chart.error.as_ref() {
return Err(map_yahoo_error(symbol, "chart", err));
}
let result = chart
.chart
.result
.as_ref()
.and_then(|r| r.first())
.ok_or(IdxError::ProviderUnavailable)?;
let meta = result.meta.as_ref().ok_or(IdxError::ProviderUnavailable)?;
let raw_price = meta
.regular_market_price
.ok_or(IdxError::SymbolNotFound(symbol.to_string()))?;
let raw_prev_close = meta.previous_close.or(meta.chart_previous_close);
let price = round_price(raw_price);
let prev_close = raw_prev_close.map(round_price);
let change = prev_close.map_or(0, |p| price - p);
let change_pct = raw_prev_close.map_or(0.0, |p| {
if p != 0.0 {
((raw_price - p) / p) * 100.0
} else {
0.0
}
});
let (week52_position, range_signal) = match (meta.fifty_two_week_low, meta.fifty_two_week_high)
{
(Some(low), Some(high)) if high > low => {
let pos = (raw_price - low) / (high - low);
let signal = if pos > 0.66 {
"upper"
} else if pos < 0.33 {
"lower"
} else {
"middle"
};
(Some(pos), Some(signal.to_string()))
}
_ => (None, None),
};
Ok(Quote {
symbol: meta.symbol.clone().unwrap_or_else(|| symbol.to_string()),
price,
change,
change_pct,
volume: meta.regular_market_volume.unwrap_or(0),
market_cap: meta.market_cap,
week52_high: meta.fifty_two_week_high.map(round_price),
week52_low: meta.fifty_two_week_low.map(round_price),
week52_position,
range_signal,
prev_close,
avg_volume: meta.average_daily_volume_3month,
})
}
pub(crate) fn parse_history_from_str(raw: &str) -> Result<Vec<Ohlc>, IdxError> {
let chart: ChartResponse =
serde_json::from_str(raw).map_err(|e| IdxError::ParseError(e.to_string()))?;
parse_history_with_verbose(&chart, false)
}
pub(crate) fn parse_fundamentals_from_str(
symbol: &str,
raw: &str,
) -> Result<Fundamentals, IdxError> {
let quote_summary: QuoteSummaryResponse =
serde_json::from_str(raw).map_err(|e| IdxError::ParseError(e.to_string()))?;
if let Some(err) = quote_summary.quote_summary.error.as_ref() {
return Err(map_yahoo_error(symbol, "quoteSummary", err));
}
parse_fundamentals(symbol, &quote_summary)
}
fn parse_history_with_verbose(chart: &ChartResponse, verbose: bool) -> Result<Vec<Ohlc>, IdxError> {
if let Some(err) = chart.chart.error.as_ref() {
return Err(map_yahoo_error("unknown", "chart", err));
}
let result = chart
.chart
.result
.as_ref()
.and_then(|r| r.first())
.ok_or(IdxError::ProviderUnavailable)?;
let timestamps = result
.timestamp
.as_ref()
.ok_or(IdxError::ProviderUnavailable)?;
let quote = result
.indicators
.as_ref()
.and_then(|i| i.quote.as_ref())
.and_then(|q| q.first())
.ok_or(IdxError::ProviderUnavailable)?;
let mut out = Vec::new();
let mut dropped = 0usize;
for (i, ts) in timestamps.iter().enumerate() {
let open = quote
.open
.as_ref()
.and_then(|v| v.get(i).copied().flatten())
.map(round_price);
let high = quote
.high
.as_ref()
.and_then(|v| v.get(i).copied().flatten())
.map(round_price);
let low = quote
.low
.as_ref()
.and_then(|v| v.get(i).copied().flatten())
.map(round_price);
let close = quote
.close
.as_ref()
.and_then(|v| v.get(i).copied().flatten())
.map(round_price);
let volume = quote
.volume
.as_ref()
.and_then(|v| v.get(i).copied().flatten());
if let (Some(open), Some(high), Some(low), Some(close), Some(volume)) =
(open, high, low, close, volume)
&& let Some(dt) = chrono::DateTime::from_timestamp(*ts, 0)
{
out.push(Ohlc {
date: dt.date_naive(),
open,
high,
low,
close,
volume,
});
} else {
dropped += 1;
}
}
if dropped > 0 && verbose {
eprintln!(
"warning: dropped {dropped} OHLC row(s) from Yahoo response due to missing fields"
);
}
Ok(out)
}
fn parse_fundamentals(
symbol: &str,
quote_summary: &QuoteSummaryResponse,
) -> Result<Fundamentals, IdxError> {
if let Some(err) = quote_summary.quote_summary.error.as_ref() {
return Err(map_yahoo_error(symbol, "quoteSummary", err));
}
let result = quote_summary
.quote_summary
.result
.as_ref()
.and_then(|results| results.first())
.ok_or(IdxError::ProviderUnavailable)?;
Ok(Fundamentals {
trailing_pe: result
.default_key_statistics
.get_f64("trailingPE")
.or_else(|| result.financial_data.get_f64("trailingPE")),
forward_pe: result
.default_key_statistics
.get_f64("forwardPE")
.or_else(|| result.financial_data.get_f64("forwardPE")),
price_to_book: result
.default_key_statistics
.get_f64("priceToBook")
.or_else(|| result.financial_data.get_f64("priceToBook")),
return_on_equity: result.financial_data.get_f64("returnOnEquity"),
profit_margins: result.financial_data.get_f64("profitMargins"),
return_on_assets: result.financial_data.get_f64("returnOnAssets"),
revenue_growth: result.financial_data.get_f64("revenueGrowth"),
earnings_growth: result
.default_key_statistics
.get_f64("earningsGrowth")
.or_else(|| result.financial_data.get_f64("earningsGrowth")),
debt_to_equity: result.financial_data.get_f64("debtToEquity"),
current_ratio: result.financial_data.get_f64("currentRatio"),
enterprise_value: result
.default_key_statistics
.get_i64("enterpriseValue")
.or_else(|| result.financial_data.get_i64("enterpriseValue")),
ebitda: result
.financial_data
.get_i64("ebitda")
.or_else(|| result.default_key_statistics.get_i64("ebitda")),
market_cap: result
.financial_data
.get_u64("marketCap")
.or_else(|| result.default_key_statistics.get_u64("marketCap")),
})
}
#[derive(Debug, Deserialize)]
struct ChartResponse {
chart: ChartRoot,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct QuoteSummaryResponse {
quote_summary: QuoteSummaryRoot,
}
#[derive(Debug, Deserialize)]
struct QuoteSummaryRoot {
result: Option<Vec<QuoteSummaryResult>>,
error: Option<ChartError>,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct QuoteSummaryResult {
#[serde(default)]
default_key_statistics: QuoteSummarySection,
#[serde(default)]
financial_data: QuoteSummarySection,
}
#[derive(Debug, Deserialize)]
struct ChartRoot {
result: Option<Vec<ChartResult>>,
error: Option<ChartError>,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct ChartError {
code: String,
description: String,
}
#[derive(Debug, Deserialize)]
struct ChartResult {
meta: Option<ChartMeta>,
timestamp: Option<Vec<i64>>,
indicators: Option<Indicators>,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
#[allow(dead_code)]
struct ChartMeta {
symbol: Option<String>,
regular_market_price: Option<f64>,
previous_close: Option<f64>,
chart_previous_close: Option<f64>,
regular_market_volume: Option<u64>,
regular_market_day_high: Option<f64>,
regular_market_day_low: Option<f64>,
market_cap: Option<u64>,
fifty_two_week_high: Option<f64>,
fifty_two_week_low: Option<f64>,
#[serde(rename = "averageDailyVolume3Month")]
average_daily_volume_3month: Option<u64>,
}
#[derive(Debug, Deserialize)]
struct Indicators {
quote: Option<Vec<IndicatorQuote>>,
}
#[derive(Debug, Deserialize)]
struct IndicatorQuote {
open: Option<Vec<Option<f64>>>,
high: Option<Vec<Option<f64>>>,
low: Option<Vec<Option<f64>>>,
close: Option<Vec<Option<f64>>>,
volume: Option<Vec<Option<u64>>>,
}
type QuoteSummarySection = HashMap<String, QuoteSummaryValue>;
trait QuoteSummarySectionExt {
fn get_f64(&self, key: &str) -> Option<f64>;
fn get_i64(&self, key: &str) -> Option<i64>;
fn get_u64(&self, key: &str) -> Option<u64>;
}
impl QuoteSummarySectionExt for QuoteSummarySection {
fn get_f64(&self, key: &str) -> Option<f64> {
self.get(key).and_then(QuoteSummaryValue::as_f64)
}
fn get_i64(&self, key: &str) -> Option<i64> {
self.get(key).and_then(QuoteSummaryValue::as_i64)
}
fn get_u64(&self, key: &str) -> Option<u64> {
self.get(key).and_then(QuoteSummaryValue::as_u64)
}
}
#[derive(Debug, Deserialize)]
#[serde(untagged)]
#[allow(dead_code)]
enum QuoteSummaryValue {
Wrapped { raw: Option<YahooNumber> },
Direct(YahooNumber),
// Catch-all for empty objects {}, null, strings, booleans — return None for all numeric extractions
Unknown(serde_json::Value),
}
impl QuoteSummaryValue {
fn as_f64(&self) -> Option<f64> {
match self {
Self::Wrapped { raw } => raw.as_ref().map(YahooNumber::as_f64),
Self::Direct(value) => Some(value.as_f64()),
Self::Unknown(_) => None,
}
}
fn as_i64(&self) -> Option<i64> {
match self {
Self::Wrapped { raw } => raw.as_ref().and_then(YahooNumber::as_i64),
Self::Direct(value) => value.as_i64(),
Self::Unknown(_) => None,
}
}
fn as_u64(&self) -> Option<u64> {
match self {
Self::Wrapped { raw } => raw.as_ref().and_then(YahooNumber::as_u64),
Self::Direct(value) => value.as_u64(),
Self::Unknown(_) => None,
}
}
}
#[derive(Debug, Deserialize)]
#[serde(untagged)]
enum YahooNumber {
I64(i64),
U64(u64),
F64(f64),
}
impl YahooNumber {
fn as_f64(&self) -> f64 {
match self {
Self::I64(value) => *value as f64,
Self::U64(value) => *value as f64,
Self::F64(value) => *value,
}
}
fn as_i64(&self) -> Option<i64> {
match self {
Self::I64(value) => Some(*value),
Self::U64(value) => i64::try_from(*value).ok(),
Self::F64(value) => Some(value.round() as i64),
}
}
fn as_u64(&self) -> Option<u64> {
match self {
Self::I64(value) => u64::try_from(*value).ok(),
Self::U64(value) => Some(*value),
Self::F64(value) if value.is_sign_negative() => None,
Self::F64(value) => Some(value.round() as u64),
}
}
}
#[cfg(test)]
mod tests {
use super::{
ChartResponse, YahooProvider, parse_fundamentals_from_str, parse_history_from_str,
parse_history_with_verbose, parse_quote, parse_quote_from_str,
};
const SAMPLE: &str = r#"{
"chart": {
"result": [{
"meta": {
"symbol": "BBCA.JK",
"regularMarketPrice": 9875.0,
"previousClose": 9758.0,
"regularMarketVolume": 12300000,
"marketCap": 1215200000000000,
"fiftyTwoWeekHigh": 10250.0,
"fiftyTwoWeekLow": 7800.0,
"averageDailyVolume3Month": 10000000
},
"timestamp": [1709251200,1709337600],
"indicators": {"quote":[{
"open":[9800.0,9850.0],
"high":[9900.0,9900.0],
"low":[9750.0,9800.0],
"close":[9875.0,9880.0],
"volume":[12300000,11000000]
}]}
}]
}
}"#;
#[test]
fn parses_quote_and_history() {
let chart: ChartResponse = serde_json::from_str(SAMPLE).expect("valid chart fixture");
let quote = parse_quote("BBCA.JK", &chart).expect("quote parsed");
assert_eq!(quote.symbol, "BBCA.JK");
assert_eq!(quote.price, 9875);
let history = parse_history_with_verbose(&chart, false).expect("history parsed");
assert_eq!(history.len(), 2);
assert_eq!(history[0].close, 9875);
}
#[test]
fn parses_realistic_fixture_json() {
let quote_raw =
std::fs::read_to_string("tests/fixtures/chart_bbca_1d.json").expect("fixture exists");
let history_raw =
std::fs::read_to_string("tests/fixtures/chart_bbca_3mo.json").expect("fixture exists");
let fundamentals_raw = std::fs::read_to_string("tests/fixtures/quotesummary_bbca.json")
.expect("fixture exists");
let quote = parse_quote_from_str("BBCA.JK", &quote_raw).expect("fixture quote parsed");
assert_eq!(quote.symbol, "BBCA.JK");
assert_eq!(quote.market_cap, Some(1_215_200_000_000_000));
assert_eq!(quote.avg_volume, Some(10_000_000));
let history = parse_history_from_str(&history_raw).expect("fixture history parsed");
assert!(!history.is_empty());
let fundamentals = parse_fundamentals_from_str("BBCA.JK", &fundamentals_raw)
.expect("fixture fundamentals parsed");
assert_eq!(fundamentals.trailing_pe, Some(25.4));
assert_eq!(fundamentals.forward_pe, Some(23.1));
assert_eq!(fundamentals.price_to_book, Some(4.6));
assert_eq!(fundamentals.earnings_growth, Some(0.121));
assert_eq!(fundamentals.enterprise_value, Some(1_245_000_000_000_000));
assert_eq!(fundamentals.ebitda, Some(58_500_000_000_000));
assert_eq!(fundamentals.market_cap, Some(1_215_200_000_000_000));
}
#[test]
fn maps_not_found_chart_error_to_symbol_not_found() {
let raw = r#"{"chart":{"result":null,"error":{"code":"Not Found","description":"No data found"}}}"#;
let err = parse_quote_from_str("INVALID.JK", raw).expect_err("expected symbol error");
assert!(matches!(err, crate::error::IdxError::SymbolNotFound(_)));
}
#[test]
fn parses_crumb_body_trimmed() {
let crumb = YahooProvider::parse_crumb_body(" abc123xyz\n").expect("crumb should parse");
assert_eq!(crumb, "abc123xyz");
let empty = YahooProvider::parse_crumb_body(" \n").expect_err("empty crumb must fail");
assert!(matches!(empty, crate::error::IdxError::Http(_)));
let html = YahooProvider::parse_crumb_body("<html>blocked</html>")
.expect_err("html crumb must fail");
assert!(matches!(html, crate::error::IdxError::Http(_)));
let rate_limited = YahooProvider::parse_crumb_body("Too Many Requests")
.expect_err("rate limited crumb must fail");
assert!(matches!(rate_limited, crate::error::IdxError::Http(_)));
}
}