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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/example/src/lib.rs
+4 -4
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@@ -638,7 +638,7 @@ mod tests {
// The testing primitives are very useful for avoiding having to work with signatures
// or public keys. `u64` is used as the `AccountId` and no `Signature`s are required.
use sr_primitives::{
set_and_run_with_externalities, Perbill, weights::GetDispatchInfo, testing::Header,
Perbill, weights::GetDispatchInfo, testing::Header,
traits::{BlakeTwo256, OnInitialize, OnFinalize, IdentityLookup},
};
@@ -719,7 +719,7 @@ mod tests {
#[test]
fn it_works_for_optional_value() {
set_and_run_with_externalities(&mut new_test_ext(), || {
new_test_ext().execute_with(|| {
// Check that GenesisBuilder works properly.
assert_eq!(Example::dummy(), Some(42));
@@ -740,7 +740,7 @@ mod tests {
#[test]
fn it_works_for_default_value() {
set_and_run_with_externalities(&mut new_test_ext(), || {
new_test_ext().execute_with(|| {
assert_eq!(Example::foo(), 24);
assert_ok!(Example::accumulate_foo(Origin::signed(1), 1));
assert_eq!(Example::foo(), 25);
@@ -749,7 +749,7 @@ mod tests {
#[test]
fn signed_ext_watch_dummy_works() {
set_and_run_with_externalities(&mut new_test_ext(), || {
new_test_ext().execute_with(|| {
let call = <Call<Test>>::set_dummy(10);
let info = DispatchInfo::default();