Reimplement link module with header Partial
This patch reimplements the "link" module using the `toml_query::read::Partial` feature. Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
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4 changed files with 105 additions and 32 deletions
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@ -27,15 +27,21 @@ url = "1.5"
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sha-1 = "0.7"
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sha-1 = "0.7"
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hex = "0.3"
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hex = "0.3"
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is-match = "0.1"
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is-match = "0.1"
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toml-query = "0.9"
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failure = "0.1"
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failure = "0.1"
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failure_derive = "0.1"
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failure_derive = "0.1"
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serde = "1"
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serde_derive = "1"
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libimagstore = { version = "0.10.0", path = "../../../lib/core/libimagstore" }
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libimagstore = { version = "0.10.0", path = "../../../lib/core/libimagstore" }
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libimagerror = { version = "0.10.0", path = "../../../lib/core/libimagerror" }
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libimagerror = { version = "0.10.0", path = "../../../lib/core/libimagerror" }
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libimagutil = { version = "0.10.0", path = "../../../lib/etc/libimagutil" }
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libimagutil = { version = "0.10.0", path = "../../../lib/etc/libimagutil" }
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libimagentrylink = { version = "0.10.0", path = "../../../lib/entry/libimagentrylink" }
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libimagentrylink = { version = "0.10.0", path = "../../../lib/entry/libimagentrylink" }
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[dependencies.toml-query]
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version = "0.9"
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default-features = false
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features = [ "typed" ]
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[dev-dependencies]
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[dev-dependencies]
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env_logger = "0.5"
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env_logger = "0.5"
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@ -175,7 +175,7 @@ impl<'a> Iterator for UrlIter<'a> {
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.and_then(|f| {
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.and_then(|f| {
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debug!("Store::retrieve({:?}) succeeded", id);
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debug!("Store::retrieve({:?}) succeeded", id);
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debug!("getting uri link from file now");
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debug!("getting uri link from file now");
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f.get_link_uri_from_filelockentry()
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f.get_url()
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.map_dbg_str("Error happened while getting link URI from FLE")
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.map_dbg_str("Error happened while getting link URI from FLE")
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.map_dbg_err(|e| format!("URL -> Err = {:?}", e))
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.map_dbg_err(|e| format!("URL -> Err = {:?}", e))
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})
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})
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@ -55,6 +55,8 @@ extern crate toml_query;
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extern crate url;
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extern crate url;
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extern crate sha1;
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extern crate sha1;
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extern crate hex;
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extern crate hex;
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extern crate serde;
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#[macro_use] extern crate serde_derive;
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#[macro_use] extern crate failure;
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#[macro_use] extern crate failure;
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#[cfg(test)]
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#[cfg(test)]
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@ -22,55 +22,120 @@ use failure::ResultExt;
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use failure::Fallible as Result;
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use failure::Fallible as Result;
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use failure::err_msg;
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use failure::err_msg;
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use url::Url;
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use url::Url;
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use toml_query::read::Partial;
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use toml_query::insert::TomlValueInsertExt;
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use toml::Value;
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use libimagstore::store::Entry;
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use libimagstore::store::Entry;
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use libimagerror::errors::ErrorMsg as EM;
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use libimagerror::errors::ErrorMsg as EM;
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use toml_query::read::TomlValueReadTypeExt;
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use toml_query::read::TomlValueReadExt;
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pub trait Link {
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pub trait Link {
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fn get_link_uri_from_filelockentry(&self) -> Result<Option<Url>>;
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fn get_url(&self) -> Result<Option<Url>>;
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fn get_url(&self) -> Result<Option<Url>>;
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fn set_url(&mut self, url: Url) -> Result<()>;
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}
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}
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#[derive(Deserialize, Serialize, Debug)]
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pub(crate) struct UrlHeader {
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pub uri: Option<String>,
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}
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impl Default for UrlHeader {
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fn default() -> Self {
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UrlHeader {
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uri: None
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}
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}
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}
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impl<'a> Partial<'a> for UrlHeader {
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const LOCATION: &'static str = "url";
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type Output = Self;
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}
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impl Link for Entry {
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impl Link for Entry {
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fn get_link_uri_from_filelockentry(&self) -> Result<Option<Url>> {
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/// Get the URL from entry Entry
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self.get_header()
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///
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.read_string("url.uri")
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/// # Notice
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///
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/// This actually returns the header field of the entry, parsed as URL
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///
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///
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fn get_url(&self) -> Result<Option<Url>> {
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let partial = self.get_header()
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.read_partial::<UrlHeader>()
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.context(format_err!("Error reading header 'url.uri' from '{}'", self.get_location()))
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.context(format_err!("Error reading header 'url.uri' from '{}'", self.get_location()))
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.context(EM::EntryHeaderReadError)
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.context(EM::EntryHeaderReadError)
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.map_err(Error::from)?
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.unwrap_or_else(|| Default::default());
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let url = match partial.uri {
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Some(uri) => uri,
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None => return Ok(None),
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};
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debug!("Found url, parsing: {:?}", url);
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Url::parse(&url)
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.map_err(Error::from)
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.map_err(Error::from)
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.and_then(|opt| match opt {
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.context(format_err!("Failed to parse URL: '{}'", url))
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None => Ok(None),
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.context(err_msg("Invalid URI"))
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Some(ref s) => {
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.map_err(Error::from)
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debug!("Found url, parsing: {:?}", s);
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.map(Some)
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Url::parse(&s[..])
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.map_err(Error::from)
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.context(format_err!("Failed to parse URL: '{}'", s))
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.context(err_msg("Invalid URI"))
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.map_err(Error::from)
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.map(Some)
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},
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})
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.context("Failed to get link URI from entry")
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.context("Failed to get link URI from entry")
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.map_err(Error::from)
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.map_err(Error::from)
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}
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}
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fn get_url(&self) -> Result<Option<Url>> {
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fn set_url(&mut self, url: Url) -> Result<()> {
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match self.get_header().read_string("url.uri")? {
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let val = Value::String(url.to_string());
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None => Ok(None),
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self.get_header_mut().insert_serialized("url.uri", val)?;
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Some(ref s) => Url::parse(&s[..])
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.context(format_err!("Failed to parse URL: '{}'", s))
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debug!("Setting URL worked");
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.map(Some)
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Ok(())
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.map_err(Error::from)
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}
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.context(EM::EntryHeaderReadError)
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}
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.map_err(Error::from),
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::path::PathBuf;
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use libimagstore::store::Store;
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fn setup_logging() {
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let _ = env_logger::try_init();
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}
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pub fn get_store() -> Store {
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Store::new_inmemory(PathBuf::from("/"), &None).unwrap()
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}
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#[test]
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fn test_header_set_correctly() {
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setup_logging();
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let store = get_store();
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let mut e = store.retrieve(PathBuf::from("urlentry")).unwrap();
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let url = Url::parse("http://google.de").unwrap();
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assert!(e.set_url(url).is_ok());
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debug!("Fetch header: {:?}", e.get_header());
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let url = e.get_header().read("url.uri");
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debug!("Fetched header: {:?}", url);
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assert!(url.is_ok());
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let url = url.unwrap();
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assert!(url.is_some());
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let url = url.unwrap();
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match url {
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Value::String(ref s) => assert_eq!("http://google.de/", s),
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_ => assert!(false),
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}
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}
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}
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}
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}
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}
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