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# frozen_string_literal: true
require 'fast_spec_helper'
RSpec.describe Gitlab::Ci::Parsers::Coverage::Cobertura do
describe '#parse!' do
subject { described_class.new.parse!(cobertura, coverage_report) }
let(:coverage_report) { Gitlab::Ci::Reports::CoverageReports.new }
context 'when data is Cobertura style XML' do
context 'when there is no <class>' do
let(:cobertura) { '' }
it 'parses XML and returns empty coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({})
end
end
context 'when there is a single <class>' do
context 'with no lines' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes><class filename="app.rb"></class></classes>
EOF
end
it 'parses XML and returns empty coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({})
end
end
context 'with a single line' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes>
<class filename="app.rb"><lines>
<line number="1" hits="2"/>
</lines></class>
</classes>
EOF
end
it 'parses XML and returns a single file with coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({ 'app.rb' => { 1 => 2 } })
end
end
context 'with multipe lines and methods info' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="2"/>
<line number="2" hits="0"/>
</lines></class>
</classes>
EOF
end
it 'parses XML and returns a single file with coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({ 'app.rb' => { 1 => 2, 2 => 0 } })
end
end
end
context 'when there are multipe <class>' do
context 'with the same filename and different lines' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="2"/>
<line number="2" hits="0"/>
</lines></class>
<class filename="app.rb"><methods/><lines>
<line number="6" hits="1"/>
<line number="7" hits="1"/>
</lines></class>
</classes>
EOF
end
it 'parses XML and returns a single file with merged coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({ 'app.rb' => { 1 => 2, 2 => 0, 6 => 1, 7 => 1 } })
end
end
context 'with the same filename and lines' do
let(:cobertura) do
<<-EOF.strip_heredoc
<packages><package><classes>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="2"/>
<line number="2" hits="0"/>
</lines></class>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="1"/>
<line number="2" hits="1"/>
</lines></class>
</classes></package></packages>
EOF
end
it 'parses XML and returns a single file with summed-up coverage' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({ 'app.rb' => { 1 => 3, 2 => 1 } })
end
end
context 'with missing filename' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="2"/>
<line number="2" hits="0"/>
</lines></class>
<class><methods/><lines>
<line number="6" hits="1"/>
<line number="7" hits="1"/>
</lines></class>
</classes>
EOF
end
it 'parses XML and ignores class with missing name' do
expect { subject }.not_to raise_error
expect(coverage_report.files).to eq({ 'app.rb' => { 1 => 2, 2 => 0 } })
end
end
context 'with invalid line information' do
let(:cobertura) do
<<-EOF.strip_heredoc
<classes>
<class filename="app.rb"><methods/><lines>
<line number="1" hits="2"/>
<line number="2" hits="0"/>
</lines></class>
<class filename="app.rb"><methods/><lines>
<line null="test" hits="1"/>
<line number="7" hits="1"/>
</lines></class>
</classes>
EOF
end
it 'raises an error' do
expect { subject }.to raise_error(described_class::CoberturaParserError)
end
end
end
end
context 'when data is not Cobertura style XML' do
let(:cobertura) { { coverage: '12%' }.to_json }
it 'raises an error' do
expect { subject }.to raise_error(described_class::CoberturaParserError)
end
end
end
end
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