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Add execute_with to TestExternalities (#3793)

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This function executes the given closure in a context where the test
externalities are set. This makes the srml tests easier to write, as the
test externalities need to be created anyway.
This commit is contained in:
Bastian Köcher
2019-10-10 15:01:30 +02:00
committed by GitHub
parent 34c7338211
commit 4dbc9265ee
44 changed files with 2369 additions and 2645 deletions
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substrate/srml/aura/src/tests.rs
+1 -2
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@@ -18,12 +18,11 @@
#![cfg(test)]
use sr_primitives::set_and_run_with_externalities;
use crate::mock::{Aura, new_test_ext};
#[test]
fn initial_values() {
set_and_run_with_externalities(&mut new_test_ext(vec![0, 1, 2, 3]), || {
new_test_ext(vec![0, 1, 2, 3]).execute_with(|| {
assert_eq!(Aura::last(), 0u64);
assert_eq!(Aura::authorities().len(), 4);
});