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authordrew cimino <dcimino@gitlab.com>2019-07-12 20:20:44 -0400
committerdrew cimino <dcimino@gitlab.com>2019-07-12 20:20:44 -0400
commit0ca1e51cf5fee4f7b45ba149b945f5aebf71e8bf (patch)
treea6ee87289bcd98b06539b4fc561866b96db5e33f
parentd50125a03fffe64cd8976f1c8b2e5b66e5fc5b2d (diff)
downloadgitlab-ce-0ca1e51cf5fee4f7b45ba149b945f5aebf71e8bf.tar.gz
Removing ci_variables_complex_expressions feature flag and deprecated code branchesremove-complex-expressions-feature-flag
-rw-r--r--lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb11
-rw-r--r--lib/gitlab/ci/pipeline/expression/lexer.rb17
-rw-r--r--lib/gitlab/ci/pipeline/expression/parser.rb39
-rw-r--r--spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb36
-rw-r--r--spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb28
-rw-r--r--spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb52
6 files changed, 11 insertions, 172 deletions
diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
index e4cf360a1c1..0212fa9d661 100644
--- a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
+++ b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
@@ -8,11 +8,10 @@ module Gitlab
require_dependency 're2'
class Pattern < Lexeme::Value
- PATTERN = %r{^/.+/[ismU]*$}.freeze
- NEW_PATTERN = %r{^\/([^\/]|\\/)+[^\\]\/[ismU]*}.freeze
+ PATTERN = %r{^\/([^\/]|\\/)+[^\\]\/[ismU]*}.freeze
def initialize(regexp)
- @value = self.class.eager_matching_with_escape_characters? ? regexp.gsub(/\\\//, '/') : regexp
+ @value = regexp.gsub(/\\\//, '/')
unless Gitlab::UntrustedRegexp::RubySyntax.valid?(@value)
raise Lexer::SyntaxError, 'Invalid regular expression!'
@@ -26,16 +25,12 @@ module Gitlab
end
def self.pattern
- eager_matching_with_escape_characters? ? NEW_PATTERN : PATTERN
+ PATTERN
end
def self.build(string)
new(string)
end
-
- def self.eager_matching_with_escape_characters?
- Feature.enabled?(:ci_variables_complex_expressions, default_enabled: true)
- end
end
end
end
diff --git a/lib/gitlab/ci/pipeline/expression/lexer.rb b/lib/gitlab/ci/pipeline/expression/lexer.rb
index 22c210ae26b..7d7582612f9 100644
--- a/lib/gitlab/ci/pipeline/expression/lexer.rb
+++ b/lib/gitlab/ci/pipeline/expression/lexer.rb
@@ -17,17 +17,6 @@ module Gitlab
Expression::Lexeme::Equals,
Expression::Lexeme::Matches,
Expression::Lexeme::NotEquals,
- Expression::Lexeme::NotMatches
- ].freeze
-
- NEW_LEXEMES = [
- Expression::Lexeme::Variable,
- Expression::Lexeme::String,
- Expression::Lexeme::Pattern,
- Expression::Lexeme::Null,
- Expression::Lexeme::Equals,
- Expression::Lexeme::Matches,
- Expression::Lexeme::NotEquals,
Expression::Lexeme::NotMatches,
Expression::Lexeme::And,
Expression::Lexeme::Or
@@ -58,7 +47,7 @@ module Gitlab
return tokens if @scanner.eos?
- lexeme = available_lexemes.find do |type|
+ lexeme = LEXEMES.find do |type|
type.scan(@scanner).tap do |token|
tokens.push(token) if token.present?
end
@@ -71,10 +60,6 @@ module Gitlab
raise Lexer::SyntaxError, 'Too many tokens!'
end
-
- def available_lexemes
- Feature.enabled?(:ci_variables_complex_expressions, default_enabled: true) ? NEW_LEXEMES : LEXEMES
- end
end
end
end
diff --git a/lib/gitlab/ci/pipeline/expression/parser.rb b/lib/gitlab/ci/pipeline/expression/parser.rb
index 589bf32a4d7..edb55edf356 100644
--- a/lib/gitlab/ci/pipeline/expression/parser.rb
+++ b/lib/gitlab/ci/pipeline/expression/parser.rb
@@ -13,39 +13,6 @@ module Gitlab
end
def tree
- if Feature.enabled?(:ci_variables_complex_expressions, default_enabled: true)
- rpn_parse_tree
- else
- reverse_descent_parse_tree
- end
- end
-
- def self.seed(statement)
- new(Expression::Lexer.new(statement).tokens)
- end
-
- private
-
- # This produces a reverse descent parse tree.
- # It does not support precedence of operators.
- def reverse_descent_parse_tree
- while token = @tokens.next
- case token.type
- when :operator
- token.build(@nodes.pop, tree).tap do |node|
- @nodes.push(node)
- end
- when :value
- token.build.tap do |leaf|
- @nodes.push(leaf)
- end
- end
- end
- rescue StopIteration
- @nodes.last || Lexeme::Null.new
- end
-
- def rpn_parse_tree
results = []
tokens_rpn.each do |token|
@@ -70,6 +37,12 @@ module Gitlab
results.pop
end
+ def self.seed(statement)
+ new(Expression::Lexer.new(statement).tokens)
+ end
+
+ private
+
# Parse the expression into Reverse Polish Notation
# (See: Shunting-yard algorithm)
def tokens_rpn
diff --git a/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb
index 30ea3f3e28e..6ce4b321397 100644
--- a/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb
+++ b/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb
@@ -107,42 +107,6 @@ describe Gitlab::Ci::Pipeline::Expression::Lexeme::Pattern do
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('some numeric \$ pattern')
end
-
- context 'with the ci_variables_complex_expressions feature flag disabled' do
- before do
- stub_feature_flags(ci_variables_complex_expressions: false)
- end
-
- it 'is a greedy scanner for regexp boundaries' do
- scanner = StringScanner.new('/some .* / pattern/')
-
- token = described_class.scan(scanner)
-
- expect(token).not_to be_nil
- expect(token.build.evaluate)
- .to eq Gitlab::UntrustedRegexp.new('some .* / pattern')
- end
-
- it 'does not recognize the \ escape character for /' do
- scanner = StringScanner.new('/some .* \/ pattern/')
-
- token = described_class.scan(scanner)
-
- expect(token).not_to be_nil
- expect(token.build.evaluate)
- .to eq Gitlab::UntrustedRegexp.new('some .* \/ pattern')
- end
-
- it 'does not recognize the \ escape character for $' do
- scanner = StringScanner.new('/some numeric \$ pattern/')
-
- token = described_class.scan(scanner)
-
- expect(token).not_to be_nil
- expect(token.build.evaluate)
- .to eq Gitlab::UntrustedRegexp.new('some numeric \$ pattern')
- end
- end
end
describe '#evaluate' do
diff --git a/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb
index d8db9c262a1..7c98e729b0b 100644
--- a/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb
+++ b/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb
@@ -80,34 +80,6 @@ describe Gitlab::Ci::Pipeline::Expression::Lexer do
it { is_expected.to eq(tokens) }
end
end
-
- context 'with the ci_variables_complex_expressions feature flag turned off' do
- before do
- stub_feature_flags(ci_variables_complex_expressions: false)
- end
-
- it 'incorrectly tokenizes conjunctive match statements as one match statement' do
- tokens = described_class.new('$PRESENT_VARIABLE =~ /my var/ && $EMPTY_VARIABLE =~ /nope/').tokens
-
- expect(tokens.map(&:value)).to eq(['$PRESENT_VARIABLE', '=~', '/my var/ && $EMPTY_VARIABLE =~ /nope/'])
- end
-
- it 'incorrectly tokenizes disjunctive match statements as one statement' do
- tokens = described_class.new('$PRESENT_VARIABLE =~ /my var/ || $EMPTY_VARIABLE =~ /nope/').tokens
-
- expect(tokens.map(&:value)).to eq(['$PRESENT_VARIABLE', '=~', '/my var/ || $EMPTY_VARIABLE =~ /nope/'])
- end
-
- it 'raises an error about && operators' do
- expect { described_class.new('$EMPTY_VARIABLE == "" && $PRESENT_VARIABLE').tokens }
- .to raise_error(Gitlab::Ci::Pipeline::Expression::Lexer::SyntaxError).with_message('Unknown lexeme found!')
- end
-
- it 'raises an error about || operators' do
- expect { described_class.new('$EMPTY_VARIABLE == "" || $PRESENT_VARIABLE').tokens }
- .to raise_error(Gitlab::Ci::Pipeline::Expression::Lexer::SyntaxError).with_message('Unknown lexeme found!')
- end
- end
end
describe '#lexemes' do
diff --git a/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb
index a2c2e3653d5..b259ef711aa 100644
--- a/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb
+++ b/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb
@@ -1,6 +1,4 @@
-# TODO switch this back after the "ci_variables_complex_expressions" feature flag is removed
-# require 'fast_spec_helper'
-require 'spec_helper'
+require 'fast_spec_helper'
require 'rspec-parameterized'
describe Gitlab::Ci::Pipeline::Expression::Statement do
@@ -118,54 +116,6 @@ describe Gitlab::Ci::Pipeline::Expression::Statement do
expect(subject.evaluate).to eq(value)
end
end
-
- context 'with the ci_variables_complex_expressions feature flag disabled' do
- before do
- stub_feature_flags(ci_variables_complex_expressions: false)
- end
-
- where(:expression, :value) do
- '$PRESENT_VARIABLE == "my variable"' | true
- '"my variable" == $PRESENT_VARIABLE' | true
- '$PRESENT_VARIABLE == null' | false
- '$EMPTY_VARIABLE == null' | false
- '"" == $EMPTY_VARIABLE' | true
- '$EMPTY_VARIABLE' | ''
- '$UNDEFINED_VARIABLE == null' | true
- 'null == $UNDEFINED_VARIABLE' | true
- '$PRESENT_VARIABLE' | 'my variable'
- '$UNDEFINED_VARIABLE' | nil
- "$PRESENT_VARIABLE =~ /var.*e$/" | true
- "$PRESENT_VARIABLE =~ /^var.*/" | false
- "$EMPTY_VARIABLE =~ /var.*/" | false
- "$UNDEFINED_VARIABLE =~ /var.*/" | false
- "$PRESENT_VARIABLE =~ /VAR.*/i" | true
- '$PATH_VARIABLE =~ /path/variable/' | true
- '$PATH_VARIABLE =~ /path\/variable/' | true
- '$FULL_PATH_VARIABLE =~ /^/a/full/path/variable/value$/' | true
- '$FULL_PATH_VARIABLE =~ /^\/a\/full\/path\/variable\/value$/' | true
- '$PRESENT_VARIABLE != "my variable"' | false
- '"my variable" != $PRESENT_VARIABLE' | false
- '$PRESENT_VARIABLE != null' | true
- '$EMPTY_VARIABLE != null' | true
- '"" != $EMPTY_VARIABLE' | false
- '$UNDEFINED_VARIABLE != null' | false
- 'null != $UNDEFINED_VARIABLE' | false
- "$PRESENT_VARIABLE !~ /var.*e$/" | false
- "$PRESENT_VARIABLE !~ /^var.*/" | true
- "$EMPTY_VARIABLE !~ /var.*/" | true
- "$UNDEFINED_VARIABLE !~ /var.*/" | true
- "$PRESENT_VARIABLE !~ /VAR.*/i" | false
- end
-
- with_them do
- let(:text) { expression }
-
- it "evaluates to `#{params[:value].inspect}`" do
- expect(subject.evaluate).to eq value
- end
- end
- end
end
describe '#truthful?' do