Isolate each specs for cache store (#6450)

The cache store is explicitly used by some specs, but they were not
isolated and therefore not reliable. This fixes the issue by clearing
the cache after each specs.

1 files changed, 3 insertions, 9 deletions

diff --git a/spec/presenters/instance_presenter_spec.rb b/spec/presenters/instance_presenter_spec.rb
index 7c47aed61..006403925 100644
--- a/spec/presenters/instance_presenter_spec.rb
+++ b/spec/presenters/instance_presenter_spec.rb
@@ -90,9 +90,7 @@ describe InstancePresenter do
 
   describe "user_count" do
     it "returns the number of site users" do
-      cache = double
-      allow(Rails).to receive(:cache).and_return(cache)
-      allow(cache).to receive(:fetch).with("user_count").and_return(123)
+      Rails.cache.write 'user_count', 123
 
       expect(instance_presenter.user_count).to eq(123)
     end
@@ -100,9 +98,7 @@ describe InstancePresenter do
 
   describe "status_count" do
     it "returns the number of local statuses" do
-      cache = double
-      allow(Rails).to receive(:cache).and_return(cache)
-      allow(cache).to receive(:fetch).with("local_status_count").and_return(234)
+      Rails.cache.write 'local_status_count', 234
 
       expect(instance_presenter.status_count).to eq(234)
     end
@@ -110,9 +106,7 @@ describe InstancePresenter do
 
   describe "domain_count" do
     it "returns the number of known domains" do
-      cache = double
-      allow(Rails).to receive(:cache).and_return(cache)
-      allow(cache).to receive(:fetch).with("distinct_domain_count").and_return(345)
+      Rails.cache.write 'distinct_domain_count', 345
 
       expect(instance_presenter.domain_count).to eq(345)
     end