<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `actix-session/src/storage/redis_actor.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>redis_actor.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../actix_session/index.html">
<img src="https://actix.rs/img/logo.png" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span>
<span id="2">2</span>
<span id="3">3</span>
<span id="4">4</span>
<span id="5">5</span>
<span id="6">6</span>
<span id="7">7</span>
<span id="8">8</span>
<span id="9">9</span>
<span id="10">10</span>
<span id="11">11</span>
<span id="12">12</span>
<span id="13">13</span>
<span id="14">14</span>
<span id="15">15</span>
<span id="16">16</span>
<span id="17">17</span>
<span id="18">18</span>
<span id="19">19</span>
<span id="20">20</span>
<span id="21">21</span>
<span id="22">22</span>
<span id="23">23</span>
<span id="24">24</span>
<span id="25">25</span>
<span id="26">26</span>
<span id="27">27</span>
<span id="28">28</span>
<span id="29">29</span>
<span id="30">30</span>
<span id="31">31</span>
<span id="32">32</span>
<span id="33">33</span>
<span id="34">34</span>
<span id="35">35</span>
<span id="36">36</span>
<span id="37">37</span>
<span id="38">38</span>
<span id="39">39</span>
<span id="40">40</span>
<span id="41">41</span>
<span id="42">42</span>
<span id="43">43</span>
<span id="44">44</span>
<span id="45">45</span>
<span id="46">46</span>
<span id="47">47</span>
<span id="48">48</span>
<span id="49">49</span>
<span id="50">50</span>
<span id="51">51</span>
<span id="52">52</span>
<span id="53">53</span>
<span id="54">54</span>
<span id="55">55</span>
<span id="56">56</span>
<span id="57">57</span>
<span id="58">58</span>
<span id="59">59</span>
<span id="60">60</span>
<span id="61">61</span>
<span id="62">62</span>
<span id="63">63</span>
<span id="64">64</span>
<span id="65">65</span>
<span id="66">66</span>
<span id="67">67</span>
<span id="68">68</span>
<span id="69">69</span>
<span id="70">70</span>
<span id="71">71</span>
<span id="72">72</span>
<span id="73">73</span>
<span id="74">74</span>
<span id="75">75</span>
<span id="76">76</span>
<span id="77">77</span>
<span id="78">78</span>
<span id="79">79</span>
<span id="80">80</span>
<span id="81">81</span>
<span id="82">82</span>
<span id="83">83</span>
<span id="84">84</span>
<span id="85">85</span>
<span id="86">86</span>
<span id="87">87</span>
<span id="88">88</span>
<span id="89">89</span>
<span id="90">90</span>
<span id="91">91</span>
<span id="92">92</span>
<span id="93">93</span>
<span id="94">94</span>
<span id="95">95</span>
<span id="96">96</span>
<span id="97">97</span>
<span id="98">98</span>
<span id="99">99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<span id="133">133</span>
<span id="134">134</span>
<span id="135">135</span>
<span id="136">136</span>
<span id="137">137</span>
<span id="138">138</span>
<span id="139">139</span>
<span id="140">140</span>
<span id="141">141</span>
<span id="142">142</span>
<span id="143">143</span>
<span id="144">144</span>
<span id="145">145</span>
<span id="146">146</span>
<span id="147">147</span>
<span id="148">148</span>
<span id="149">149</span>
<span id="150">150</span>
<span id="151">151</span>
<span id="152">152</span>
<span id="153">153</span>
<span id="154">154</span>
<span id="155">155</span>
<span id="156">156</span>
<span id="157">157</span>
<span id="158">158</span>
<span id="159">159</span>
<span id="160">160</span>
<span id="161">161</span>
<span id="162">162</span>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
<span id="218">218</span>
<span id="219">219</span>
<span id="220">220</span>
<span id="221">221</span>
<span id="222">222</span>
<span id="223">223</span>
<span id="224">224</span>
<span id="225">225</span>
<span id="226">226</span>
<span id="227">227</span>
<span id="228">228</span>
<span id="229">229</span>
<span id="230">230</span>
<span id="231">231</span>
<span id="232">232</span>
<span id="233">233</span>
<span id="234">234</span>
<span id="235">235</span>
<span id="236">236</span>
<span id="237">237</span>
<span id="238">238</span>
<span id="239">239</span>
<span id="240">240</span>
<span id="241">241</span>
<span id="242">242</span>
<span id="243">243</span>
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
<span id="253">253</span>
<span id="254">254</span>
<span id="255">255</span>
<span id="256">256</span>
<span id="257">257</span>
<span id="258">258</span>
<span id="259">259</span>
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
<span id="264">264</span>
<span id="265">265</span>
<span id="266">266</span>
<span id="267">267</span>
<span id="268">268</span>
<span id="269">269</span>
<span id="270">270</span>
<span id="271">271</span>
<span id="272">272</span>
<span id="273">273</span>
<span id="274">274</span>
<span id="275">275</span>
<span id="276">276</span>
<span id="277">277</span>
<span id="278">278</span>
<span id="279">279</span>
<span id="280">280</span>
<span id="281">281</span>
<span id="282">282</span>
<span id="283">283</span>
<span id="284">284</span>
<span id="285">285</span>
<span id="286">286</span>
<span id="287">287</span>
<span id="288">288</span>
<span id="289">289</span>
<span id="290">290</span>
<span id="291">291</span>
<span id="292">292</span>
<span id="293">293</span>
<span id="294">294</span>
<span id="295">295</span>
<span id="296">296</span>
<span id="297">297</span>
<span id="298">298</span>
<span id="299">299</span>
<span id="300">300</span>
<span id="301">301</span>
<span id="302">302</span>
<span id="303">303</span>
<span id="304">304</span>
<span id="305">305</span>
<span id="306">306</span>
<span id="307">307</span>
<span id="308">308</span>
<span id="309">309</span>
<span id="310">310</span>
<span id="311">311</span>
<span id="312">312</span>
<span id="313">313</span>
<span id="314">314</span>
<span id="315">315</span>
</pre><pre class="rust"><code><span class="kw">use </span>actix::Addr;
<span class="kw">use </span>actix_redis::{resp_array, Command, RedisActor, RespValue};
<span class="kw">use </span>actix_web::cookie::time::Duration;
<span class="kw">use </span>anyhow::Error;
<span class="kw">use </span><span class="kw">super</span>::SessionKey;
<span class="kw">use </span><span class="kw">crate</span>::storage::{
interface::{LoadError, SaveError, SessionState, UpdateError},
utils::generate_session_key,
SessionStore,
};
<span class="doccomment">/// Use Redis as session storage backend.
///
/// ```no_run
/// use actix_web::{web, App, HttpServer, HttpResponse, Error};
/// use actix_session::{SessionMiddleware, storage::RedisActorSessionStore};
/// use actix_web::cookie::Key;
///
/// // The secret key would usually be read from a configuration file/environment variables.
/// fn get_secret_key() -> Key {
/// # todo!()
/// // [...]
/// }
///
/// #[actix_web::main]
/// async fn main() -> std::io::Result<()> {
/// let secret_key = get_secret_key();
/// let redis_connection_string = "127.0.0.1:6379";
/// HttpServer::new(move ||
/// App::new()
/// .wrap(
/// SessionMiddleware::new(
/// RedisActorSessionStore::new(redis_connection_string),
/// secret_key.clone()
/// )
/// )
/// .default_service(web::to(|| HttpResponse::Ok())))
/// .bind(("127.0.0.1", 8080))?
/// .run()
/// .await
/// }
/// ```
///
/// # Implementation notes
///
/// `RedisActorSessionStore` leverages `actix-redis`'s `RedisActor` implementation - each thread
/// worker gets its own connection to Redis.
///
/// ## Limitations
///
/// `RedisActorSessionStore` does not currently support establishing authenticated connections to
/// Redis. Use [`RedisSessionStore`] if you need TLS support.
///
/// [`RedisSessionStore`]: crate::storage::RedisSessionStore
</span><span class="attribute">#[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"redis-actor-session"</span>)))]
</span><span class="kw">pub struct </span>RedisActorSessionStore {
configuration: CacheConfiguration,
addr: Addr<RedisActor>,
}
<span class="kw">impl </span>RedisActorSessionStore {
<span class="doccomment">/// A fluent API to configure [`RedisActorSessionStore`].
///
/// It takes as input the only required input to create a new instance of
/// [`RedisActorSessionStore`]—a connection string for Redis.
</span><span class="kw">pub fn </span>builder<S: Into<String>>(connection_string: S) -> RedisActorSessionStoreBuilder {
RedisActorSessionStoreBuilder {
configuration: CacheConfiguration::default(),
connection_string: connection_string.into(),
}
}
<span class="doccomment">/// Create a new instance of [`RedisActorSessionStore`] using the default configuration.
/// It takes as input the only required input to create a new instance of [`RedisActorSessionStore`] - a
/// connection string for Redis.
</span><span class="kw">pub fn </span>new<S: Into<String>>(connection_string: S) -> RedisActorSessionStore {
<span class="self">Self</span>::builder(connection_string).build()
}
}
<span class="kw">struct </span>CacheConfiguration {
cache_keygen: Box<<span class="kw">dyn </span>Fn(<span class="kw-2">&</span>str) -> String>,
}
<span class="kw">impl </span>Default <span class="kw">for </span>CacheConfiguration {
<span class="kw">fn </span>default() -> <span class="self">Self </span>{
<span class="self">Self </span>{
cache_keygen: Box::new(str::to_owned),
}
}
}
<span class="doccomment">/// A fluent builder to construct a [`RedisActorSessionStore`] instance with custom configuration
/// parameters.
</span><span class="attribute">#[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"redis-actor-session"</span>)))]
#[must_use]
</span><span class="kw">pub struct </span>RedisActorSessionStoreBuilder {
connection_string: String,
configuration: CacheConfiguration,
}
<span class="kw">impl </span>RedisActorSessionStoreBuilder {
<span class="doccomment">/// Set a custom cache key generation strategy, expecting a session key as input.
</span><span class="kw">pub fn </span>cache_keygen<F>(<span class="kw-2">mut </span><span class="self">self</span>, keygen: F) -> <span class="self">Self
</span><span class="kw">where
</span>F: Fn(<span class="kw-2">&</span>str) -> String + <span class="lifetime">'static</span>,
{
<span class="self">self</span>.configuration.cache_keygen = Box::new(keygen);
<span class="self">self
</span>}
<span class="doccomment">/// Finalise the builder and return a [`RedisActorSessionStore`] instance.
</span><span class="attribute">#[must_use]
</span><span class="kw">pub fn </span>build(<span class="self">self</span>) -> RedisActorSessionStore {
RedisActorSessionStore {
configuration: <span class="self">self</span>.configuration,
addr: RedisActor::start(<span class="self">self</span>.connection_string),
}
}
}
<span class="attribute">#[async_trait::async_trait(<span class="question-mark">?</span>Send)]
</span><span class="kw">impl </span>SessionStore <span class="kw">for </span>RedisActorSessionStore {
<span class="kw">async fn </span>load(<span class="kw-2">&</span><span class="self">self</span>, session_key: <span class="kw-2">&</span>SessionKey) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><SessionState>, LoadError> {
<span class="kw">let </span>cache_key = (<span class="self">self</span>.configuration.cache_keygen)(session_key.as_ref());
<span class="kw">let </span>val = <span class="self">self
</span>.addr
.send(Command(<span class="macro">resp_array!</span>[<span class="string">"GET"</span>, cache_key]))
.<span class="kw">await
</span>.map_err(Into::into)
.map_err(LoadError::Other)<span class="question-mark">?
</span>.map_err(Into::into)
.map_err(LoadError::Other)<span class="question-mark">?</span>;
<span class="kw">match </span>val {
RespValue::Error(err) => <span class="prelude-val">Err</span>(LoadError::Other(<span class="macro">anyhow::anyhow!</span>(err))),
RespValue::SimpleString(s) => <span class="prelude-val">Ok</span>(serde_json::from_str(<span class="kw-2">&</span>s)
.map_err(Into::into)
.map_err(LoadError::Deserialization)<span class="question-mark">?</span>),
RespValue::BulkString(s) => <span class="prelude-val">Ok</span>(serde_json::from_slice(<span class="kw-2">&</span>s)
.map_err(Into::into)
.map_err(LoadError::Deserialization)<span class="question-mark">?</span>),
<span class="kw">_ </span>=> <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>),
}
}
<span class="kw">async fn </span>save(
<span class="kw-2">&</span><span class="self">self</span>,
session_state: SessionState,
ttl: <span class="kw-2">&</span>Duration,
) -> <span class="prelude-ty">Result</span><SessionKey, SaveError> {
<span class="kw">let </span>body = serde_json::to_string(<span class="kw-2">&</span>session_state)
.map_err(Into::into)
.map_err(SaveError::Serialization)<span class="question-mark">?</span>;
<span class="kw">let </span>session_key = generate_session_key();
<span class="kw">let </span>cache_key = (<span class="self">self</span>.configuration.cache_keygen)(session_key.as_ref());
<span class="kw">let </span>cmd = Command(<span class="macro">resp_array!</span>[
<span class="string">"SET"</span>,
cache_key,
body,
<span class="string">"NX"</span>, <span class="comment">// NX: only set the key if it does not already exist
</span><span class="string">"EX"</span>, <span class="comment">// EX: set expiry
</span><span class="macro">format!</span>(<span class="string">"{}"</span>, ttl.whole_seconds())
]);
<span class="kw">let </span>result = <span class="self">self
</span>.addr
.send(cmd)
.<span class="kw">await
</span>.map_err(Into::into)
.map_err(SaveError::Other)<span class="question-mark">?
</span>.map_err(Into::into)
.map_err(SaveError::Other)<span class="question-mark">?</span>;
<span class="kw">match </span>result {
RespValue::SimpleString(<span class="kw">_</span>) => <span class="prelude-val">Ok</span>(session_key),
RespValue::Nil => <span class="prelude-val">Err</span>(SaveError::Other(<span class="macro">anyhow::anyhow!</span>(
<span class="string">"Failed to save session state. A record with the same key already existed in Redis"
</span>))),
err => <span class="prelude-val">Err</span>(SaveError::Other(<span class="macro">anyhow::anyhow!</span>(
<span class="string">"Failed to save session state. {:?}"</span>,
err
))),
}
}
<span class="kw">async fn </span>update(
<span class="kw-2">&</span><span class="self">self</span>,
session_key: SessionKey,
session_state: SessionState,
ttl: <span class="kw-2">&</span>Duration,
) -> <span class="prelude-ty">Result</span><SessionKey, UpdateError> {
<span class="kw">let </span>body = serde_json::to_string(<span class="kw-2">&</span>session_state)
.map_err(Into::into)
.map_err(UpdateError::Serialization)<span class="question-mark">?</span>;
<span class="kw">let </span>cache_key = (<span class="self">self</span>.configuration.cache_keygen)(session_key.as_ref());
<span class="kw">let </span>cmd = Command(<span class="macro">resp_array!</span>[
<span class="string">"SET"</span>,
cache_key,
body,
<span class="string">"XX"</span>, <span class="comment">// XX: Only set the key if it already exist.
</span><span class="string">"EX"</span>, <span class="comment">// EX: set expiry
</span><span class="macro">format!</span>(<span class="string">"{}"</span>, ttl.whole_seconds())
]);
<span class="kw">let </span>result = <span class="self">self
</span>.addr
.send(cmd)
.<span class="kw">await
</span>.map_err(Into::into)
.map_err(UpdateError::Other)<span class="question-mark">?
</span>.map_err(Into::into)
.map_err(UpdateError::Other)<span class="question-mark">?</span>;
<span class="kw">match </span>result {
RespValue::Nil => {
<span class="comment">// The SET operation was not performed because the XX condition was not verified.
// This can happen if the session state expired between the load operation and the
// update operation. Unlucky, to say the least. We fall back to the `save` routine
// to ensure that the new key is unique.
</span><span class="self">self</span>.save(session_state, ttl)
.<span class="kw">await
</span>.map_err(|err| <span class="kw">match </span>err {
SaveError::Serialization(err) => UpdateError::Serialization(err),
SaveError::Other(err) => UpdateError::Other(err),
})
}
RespValue::SimpleString(<span class="kw">_</span>) => <span class="prelude-val">Ok</span>(session_key),
val => <span class="prelude-val">Err</span>(UpdateError::Other(<span class="macro">anyhow::anyhow!</span>(
<span class="string">"Failed to update session state. {:?}"</span>,
val
))),
}
}
<span class="kw">async fn </span>update_ttl(<span class="kw-2">&</span><span class="self">self</span>, session_key: <span class="kw-2">&</span>SessionKey, ttl: <span class="kw-2">&</span>Duration) -> <span class="prelude-ty">Result</span><(), Error> {
<span class="kw">let </span>cache_key = (<span class="self">self</span>.configuration.cache_keygen)(session_key.as_ref());
<span class="kw">let </span>cmd = Command(<span class="macro">resp_array!</span>[
<span class="string">"EXPIRE"</span>,
cache_key,
ttl.whole_seconds().to_string()
]);
<span class="kw">match </span><span class="self">self</span>.addr.send(cmd).<span class="kw">await</span><span class="question-mark">? </span>{
<span class="prelude-val">Ok</span>(RespValue::Integer(<span class="kw">_</span>)) => <span class="prelude-val">Ok</span>(()),
val => <span class="prelude-val">Err</span>(<span class="macro">anyhow::anyhow!</span>(
<span class="string">"Failed to update the session state TTL: {:?}"</span>,
val
)),
}
}
<span class="kw">async fn </span>delete(<span class="kw-2">&</span><span class="self">self</span>, session_key: <span class="kw-2">&</span>SessionKey) -> <span class="prelude-ty">Result</span><(), anyhow::Error> {
<span class="kw">let </span>cache_key = (<span class="self">self</span>.configuration.cache_keygen)(session_key.as_ref());
<span class="kw">let </span>res = <span class="self">self
</span>.addr
.send(Command(<span class="macro">resp_array!</span>[<span class="string">"DEL"</span>, cache_key]))
.<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">match </span>res {
<span class="comment">// Redis returns the number of deleted records
</span><span class="prelude-val">Ok</span>(RespValue::Integer(<span class="kw">_</span>)) => <span class="prelude-val">Ok</span>(()),
val => <span class="prelude-val">Err</span>(<span class="macro">anyhow::anyhow!</span>(
<span class="string">"Failed to remove session from cache. {:?}"</span>,
val
)),
}
}
}
<span class="attribute">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use </span>std::collections::HashMap;
<span class="kw">use </span>actix_web::cookie::time::Duration;
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="kw">use </span><span class="kw">crate</span>::test_helpers::acceptance_test_suite;
<span class="kw">fn </span>redis_actor_store() -> RedisActorSessionStore {
RedisActorSessionStore::new(<span class="string">"127.0.0.1:6379"</span>)
}
<span class="attribute">#[actix_web::test]
</span><span class="kw">async fn </span>test_session_workflow() {
acceptance_test_suite(redis_actor_store, <span class="bool-val">true</span>).<span class="kw">await</span>;
}
<span class="attribute">#[actix_web::test]
</span><span class="kw">async fn </span>loading_a_missing_session_returns_none() {
<span class="kw">let </span>store = redis_actor_store();
<span class="kw">let </span>session_key = generate_session_key();
<span class="macro">assert!</span>(store.load(<span class="kw-2">&</span>session_key).<span class="kw">await</span>.unwrap().is_none());
}
<span class="attribute">#[actix_web::test]
</span><span class="kw">async fn </span>updating_of_an_expired_state_is_handled_gracefully() {
<span class="kw">let </span>store = redis_actor_store();
<span class="kw">let </span>session_key = generate_session_key();
<span class="kw">let </span>initial_session_key = session_key.as_ref().to_owned();
<span class="kw">let </span>updated_session_key = store
.update(session_key, HashMap::new(), <span class="kw-2">&</span>Duration::seconds(<span class="number">1</span>))
.<span class="kw">await
</span>.unwrap();
<span class="macro">assert_ne!</span>(initial_session_key, updated_session_key.as_ref());
}
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="actix_session" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (0da281b60 2022-10-27)" ></div></body></html>