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src: Fix map_err losing the inner error

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Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-01-24 08:50:30 +01:00
parent cf25bd74b0
commit aa5ae7616e
2 changed files with 19 additions and 18 deletions
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33
src/main.rs
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@@ -1918,18 +1918,17 @@ mod tests {
let mut counter = 0;
loop {
match (|| -> Result<(), Error> {
let tcp =
TcpStream::connect(format!("{}:22", ip)).map_err(|_| Error::Connection)?;
let tcp = TcpStream::connect(format!("{}:22", ip)).map_err(Error::Connection)?;
let mut sess = Session::new().unwrap();
sess.set_tcp_stream(tcp);
sess.handshake().map_err(|_| Error::Connection)?;
sess.handshake().map_err(Error::Handshake)?;
sess.userauth_password("cloud", "cloud123")
.map_err(|_| Error::Authentication)?;
.map_err(Error::Authentication)?;
assert!(sess.authenticated());
let mut channel = sess.channel_session().map_err(|_| Error::Command)?;
channel.exec(command).map_err(|_| Error::Command)?;
let mut channel = sess.channel_session().map_err(Error::ChannelSession)?;
channel.exec(command).map_err(Error::Command)?;
// Intentionally ignore these results here as their failure
// does not precipitate a repeat
@@ -1953,10 +1952,12 @@ mod tests {
#[derive(Debug)]
enum Error {
Connection,
Authentication,
Command,
Parsing,
Connection(std::io::Error),
Handshake(ssh2::Error),
Authentication(ssh2::Error),
ChannelSession(ssh2::Error),
Command(ssh2::Error),
Parsing(std::num::ParseIntError),
}
impl std::error::Error for Error {}
@@ -2080,7 +2081,7 @@ mod tests {
.ssh_command("grep -c processor /proc/cpuinfo")?
.trim()
.parse()
.map_err(|_| Error::Parsing)?)
.map_err(Error::Parsing)?)
}
fn get_initial_apicid(&self) -> Result<u32, Error> {
@@ -2088,7 +2089,7 @@ mod tests {
.ssh_command("grep \"initial apicid\" /proc/cpuinfo | grep -o \"[0-9]*\"")?
.trim()
.parse()
.map_err(|_| Error::Parsing)?)
.map_err(Error::Parsing)?)
}
fn get_total_memory(&self) -> Result<u32, Error> {
@@ -2096,7 +2097,7 @@ mod tests {
.ssh_command("grep MemTotal /proc/meminfo | grep -o \"[0-9]*\"")?
.trim()
.parse()
.map_err(|_| Error::Parsing)?)
.map_err(Error::Parsing)?)
}
fn get_entropy(&self) -> Result<u32, Error> {
@@ -2104,7 +2105,7 @@ mod tests {
.ssh_command("cat /proc/sys/kernel/random/entropy_avail")?
.trim()
.parse()
.map_err(|_| Error::Parsing)?)
.map_err(Error::Parsing)?)
}
fn get_pci_bridge_class(&self) -> Result<String, Error> {
@@ -2189,8 +2190,8 @@ mod tests {
return Ok(false);
}
let start_addr = u64::from_str_radix(args[0], 16).map_err(|_| Error::Parsing)?;
let end_addr = u64::from_str_radix(args[1], 16).map_err(|_| Error::Parsing)?;
let start_addr = u64::from_str_radix(args[0], 16).map_err(Error::Parsing)?;
let end_addr = u64::from_str_radix(args[1], 16).map_err(Error::Parsing)?;
Ok(cache == (end_addr - start_addr + 1))
}