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Rows and values can be checked for emptiness. Allows to set a value if desired. (#1665)

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This commit is contained in:
Andrés N. Robalino
2020-04-26 12:30:52 -05:00
committed by GitHub
parent a62745eefb
commit 80025ea684
11 changed files with 437 additions and 98 deletions
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77
crates/nu-cli/src/env/environment_syncer.rs vendored
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@@ -58,7 +58,7 @@ impl EnvironmentSyncer {
}
if let Some(variables) = environment.env() {
for var in nu_value_ext::row_entries(&variables) {
for var in variables.row_entries() {
if let Ok(string) = var.1.as_string() {
ctx.with_host(|host| {
host.env_set(
@@ -88,7 +88,8 @@ impl EnvironmentSyncer {
if let Some(new_paths) = environment.path() {
let prepared = std::env::join_paths(
nu_value_ext::table_entries(&new_paths)
new_paths
.table_entries()
.map(|p| p.as_string())
.filter_map(Result::ok),
);
@@ -212,16 +213,17 @@ mod tests {
// including the newer one accounted for.
let environment = actual.env.lock();
let vars = nu_value_ext::row_entries(
&environment.env().expect("No variables in the environment."),
)
.map(|(name, value)| {
(
name.to_string(),
value.as_string().expect("Couldn't convert to string"),
)
})
.collect::<Vec<_>>();
let vars = environment
.env()
.expect("No variables in the environment.")
.row_entries()
.map(|(name, value)| {
(
name.to_string(),
value.as_string().expect("Couldn't convert to string"),
)
})
.collect::<Vec<_>>();
assert_eq!(vars, expected);
});
@@ -281,16 +283,17 @@ mod tests {
let environment = actual.env.lock();
let vars = nu_value_ext::row_entries(
&environment.env().expect("No variables in the environment."),
)
.map(|(name, value)| {
(
name.to_string(),
value.as_string().expect("Couldn't convert to string"),
)
})
.collect::<Vec<_>>();
let vars = environment
.env()
.expect("No variables in the environment.")
.row_entries()
.map(|(name, value)| {
(
name.to_string(),
value.as_string().expect("Couldn't convert to string"),
)
})
.collect::<Vec<_>>();
assert_eq!(vars, expected);
});
@@ -367,14 +370,13 @@ mod tests {
let environment = actual.env.lock();
let paths = std::env::join_paths(
&nu_value_ext::table_entries(
&environment
.path()
.expect("No path variable in the environment."),
)
.map(|value| value.as_string().expect("Couldn't convert to string"))
.map(PathBuf::from)
.collect::<Vec<_>>(),
&environment
.path()
.expect("No path variable in the environment.")
.table_entries()
.map(|value| value.as_string().expect("Couldn't convert to string"))
.map(PathBuf::from)
.collect::<Vec<_>>(),
)
.expect("Couldn't join paths.")
.into_string()
@@ -442,14 +444,13 @@ mod tests {
let environment = actual.env.lock();
let paths = std::env::join_paths(
&nu_value_ext::table_entries(
&environment
.path()
.expect("No path variable in the environment."),
)
.map(|value| value.as_string().expect("Couldn't convert to string"))
.map(PathBuf::from)
.collect::<Vec<_>>(),
&environment
.path()
.expect("No path variable in the environment.")
.table_entries()
.map(|value| value.as_string().expect("Couldn't convert to string"))
.map(PathBuf::from)
.collect::<Vec<_>>(),
)
.expect("Couldn't join paths.")
.into_string()