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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ExpandVariables do
shared_examples 'common variable expansion' do |expander|
using RSpec::Parameterized::TableSyntax
where do
{
"no expansion": {
value: 'key',
result: 'key',
variables: []
},
"simple expansion": {
value: 'key$variable',
result: 'keyvalue',
variables: [
{ key: 'variable', value: 'value' }
]
},
"simple with hash of variables": {
value: 'key$variable',
result: 'keyvalue',
variables: {
'variable' => 'value'
}
},
"complex expansion": {
value: 'key${variable}',
result: 'keyvalue',
variables: [
{ key: 'variable', value: 'value' }
]
},
"simple expansions": {
value: 'key$variable$variable2',
result: 'keyvalueresult',
variables: [
{ key: 'variable', value: 'value' },
{ key: 'variable2', value: 'result' }
]
},
"complex expansions": {
value: 'key${variable}${variable2}',
result: 'keyvalueresult',
variables: [
{ key: 'variable', value: 'value' },
{ key: 'variable2', value: 'result' }
]
},
"out-of-order expansion": {
value: 'key$variable2$variable',
result: 'keyresultvalue',
variables: [
{ key: 'variable', value: 'value' },
{ key: 'variable2', value: 'result' }
]
},
"out-of-order complex expansion": {
value: 'key${variable2}${variable}',
result: 'keyresultvalue',
variables: [
{ key: 'variable', value: 'value' },
{ key: 'variable2', value: 'result' }
]
},
"review-apps expansion": {
value: 'review/$CI_COMMIT_REF_NAME',
result: 'review/feature/add-review-apps',
variables: [
{ key: 'CI_COMMIT_REF_NAME', value: 'feature/add-review-apps' }
]
},
"do not lazily access variables when no expansion": {
value: 'key',
result: 'key',
variables: -> { raise NotImplementedError }
},
"lazily access variables": {
value: 'key$variable',
result: 'keyvalue',
variables: -> { [{ key: 'variable', value: 'value' }] }
}
}
end
with_them do
subject { expander.call(value, variables) }
it { is_expected.to eq(result) }
end
end
describe '#expand' do
context 'table tests' do
it_behaves_like 'common variable expansion', described_class.method(:expand)
context 'with missing variables' do
using RSpec::Parameterized::TableSyntax
where do
{
"missing variable": {
value: 'key$variable',
result: 'key',
variables: []
},
"complex expansions with missing variable": {
value: 'key${variable}${variable2}',
result: 'keyvalue',
variables: [
{ key: 'variable', value: 'value' }
]
},
"complex expansions with missing variable for Windows": {
value: 'key%variable%%variable2%',
result: 'keyvalue',
variables: [
{ key: 'variable', value: 'value' }
]
}
}
end
with_them do
subject { ExpandVariables.expand(value, variables) }
it { is_expected.to eq(result) }
end
end
end
context 'lazily inits variables' do
let(:variables) { -> { [{ key: 'variable', value: 'result' }] } }
subject { described_class.expand(value, variables) }
context 'when expanding variable' do
let(:value) { 'key$variable$variable2' }
it 'calls block at most once' do
expect(variables).to receive(:call).once.and_call_original
is_expected.to eq('keyresult')
end
end
context 'when no expansion is needed' do
let(:value) { 'key' }
it 'does not call block' do
expect(variables).not_to receive(:call)
is_expected.to eq('key')
end
end
end
end
describe '#expand_existing' do
context 'table tests' do
it_behaves_like 'common variable expansion', described_class.method(:expand_existing)
context 'with missing variables' do
using RSpec::Parameterized::TableSyntax
where do
{
"missing variable": {
value: 'key$variable',
result: 'key$variable',
variables: []
},
"complex expansions with missing variable": {
value: 'key${variable}${variable2}',
result: 'keyvalue${variable2}',
variables: [
{ key: 'variable', value: 'value' }
]
},
"complex expansions with missing variable for Windows": {
value: 'key%variable%%variable2%',
result: 'keyvalue%variable2%',
variables: [
{ key: 'variable', value: 'value' }
]
}
}
end
with_them do
subject { ExpandVariables.expand_existing(value, variables) }
it { is_expected.to eq(result) }
end
end
end
context 'lazily inits variables' do
let(:variables) { -> { [{ key: 'variable', value: 'result' }] } }
subject { described_class.expand_existing(value, variables) }
context 'when expanding variable' do
let(:value) { 'key$variable$variable2' }
it 'calls block at most once' do
expect(variables).to receive(:call).once.and_call_original
is_expected.to eq('keyresult$variable2')
end
end
context 'when no expansion is needed' do
let(:value) { 'key' }
it 'does not call block' do
expect(variables).not_to receive(:call)
is_expected.to eq('key')
end
end
end
end
end
|
