Add latest changes from gitlab-org/gitlab@master

1 files changed, 49 insertions, 0 deletions

diff --git a/spec/lib/gitlab/utils/log_limited_array_spec.rb b/spec/lib/gitlab/utils/log_limited_array_spec.rb
new file mode 100644
index 00000000000..2729b2c7b6f
--- /dev/null
+++ b/spec/lib/gitlab/utils/log_limited_array_spec.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+describe Gitlab::Utils::LogLimitedArray do
+  describe '.log_limited_array' do
+    context 'when the argument is not an array' do
+      it 'returns an empty array' do
+        expect(described_class.log_limited_array('aa')).to eq([])
+      end
+    end
+
+    context 'when the argument is an array' do
+      context 'when the array is under the limit' do
+        it 'returns the array unchanged' do
+          expect(described_class.log_limited_array(%w(a b))).to eq(%w(a b))
+        end
+      end
+
+      context 'when the array exceeds the limit' do
+        it 'replaces arguments after the limit with an ellipsis string' do
+          half_limit = described_class::MAXIMUM_ARRAY_LENGTH / 2
+          long_array = ['a' * half_limit, 'b' * half_limit, 'c']
+
+          expect(described_class.log_limited_array(long_array))
+            .to eq(long_array.take(1) + ['...'])
+        end
+      end
+
+      context 'when the array contains arrays and hashes' do
+        it 'calculates the size based on the JSON representation' do
+          long_array = [
+            'a',
+            ['b'] * 10,
+            { c: 'c' * 10 },
+            # Each character in the array takes up four characters: the
+            # character itself, the two quotes, and the comma (closing
+            # square bracket for the last item)
+            ['d'] * (described_class::MAXIMUM_ARRAY_LENGTH / 4),
+            'e'
+          ]
+
+          expect(described_class.log_limited_array(long_array))
+            .to eq(long_array.take(3) + ['...'])
+        end
+      end
+    end
+  end
+end