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Diffstat (limited to 'spec/lib/serializers/json_spec.rb')
-rw-r--r-- | spec/lib/serializers/json_spec.rb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/spec/lib/serializers/json_spec.rb b/spec/lib/serializers/json_spec.rb new file mode 100644 index 00000000000..5d59d66e8b8 --- /dev/null +++ b/spec/lib/serializers/json_spec.rb @@ -0,0 +1,102 @@ +require 'fast_spec_helper' + +describe Serializers::JSON do + describe '.dump' do + let(:obj) { { key: "value" } } + + subject { described_class.dump(obj) } + + context 'when MySQL is used' do + before do + allow(Gitlab::Database).to receive(:adapter_name) { 'mysql2' } + end + + it 'encodes as string' do + is_expected.to eq('{"key":"value"}') + end + end + + context 'when PostgreSQL is used' do + before do + allow(Gitlab::Database).to receive(:adapter_name) { 'postgresql' } + end + + it 'returns a hash' do + is_expected.to eq(obj) + end + end + end + + describe '.load' do + let(:data_string) { '{"key":"value","variables":[{"key":"VAR1","value":"VALUE1"}]}' } + let(:data_hash) { JSON.parse(data_string) } + + shared_examples 'having consistent accessor' do + it 'allows to access with symbols' do + expect(subject[:key]).to eq('value') + expect(subject[:variables].first[:key]).to eq('VAR1') + end + + it 'allows to access with strings' do + expect(subject["key"]).to eq('value') + expect(subject["variables"].first["key"]).to eq('VAR1') + end + end + + context 'when MySQL is used' do + before do + allow(Gitlab::Database).to receive(:adapter_name) { 'mysql2' } + end + + context 'when loading a string' do + subject { described_class.load(data_string) } + + it 'decodes a string' do + is_expected.to be_a(Hash) + end + + it_behaves_like 'having consistent accessor' + end + + context 'when loading a different type' do + subject { described_class.load({ key: 'hash' }) } + + it 'raises an exception' do + expect { subject }.to raise_error(TypeError) + end + end + + context 'when loading a nil' do + subject { described_class.load(nil) } + + it 'returns nil' do + is_expected.to be_nil + end + end + end + + context 'when PostgreSQL is used' do + before do + allow(Gitlab::Database).to receive(:adapter_name) { 'postgresql' } + end + + context 'when loading a hash' do + subject { described_class.load(data_hash) } + + it 'decodes a string' do + is_expected.to be_a(Hash) + end + + it_behaves_like 'having consistent accessor' + end + + context 'when loading a nil' do + subject { described_class.load(nil) } + + it 'returns nil' do + is_expected.to be_nil + end + end + end + end +end |