diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-20 20:38:57 +0000 |
---|---|---|
committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-20 20:38:57 +0000 |
commit | 6204e0804b24f1675b49d5880da014411bcfb831 (patch) | |
tree | ce6c00bf078fc416936ca3cdc972b9b3c1c78dae /spec/ruby/core/env/to_h_spec.rb | |
parent | 58573c33e4720315ed27491e31dcc22892e1ce95 (diff) | |
download | ruby-6204e0804b24f1675b49d5880da014411bcfb831.tar.gz |
Update to ruby/spec@35a9fba
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/env/to_h_spec.rb')
-rw-r--r-- | spec/ruby/core/env/to_h_spec.rb | 54 |
1 files changed, 45 insertions, 9 deletions
diff --git a/spec/ruby/core/env/to_h_spec.rb b/spec/ruby/core/env/to_h_spec.rb index f6c796b4d6..81a17700e9 100644 --- a/spec/ruby/core/env/to_h_spec.rb +++ b/spec/ruby/core/env/to_h_spec.rb @@ -1,18 +1,54 @@ require_relative '../../spec_helper' require_relative 'shared/to_hash' -describe "ENV.to_hash" do +describe "ENV.to_h" do it_behaves_like :env_to_hash, :to_h ruby_version_is "2.6" do - it "converts [key, value] pairs returned by the block to a hash" do - orig = ENV.to_hash - begin - ENV.replace "a" => "b", "c" => "d" - i = 0 - ENV.to_h {|k, v| [k.to_sym, v.upcase]}.should == {a:"B", c:"D"} - ensure - ENV.replace orig + context "with block" do + before do + @orig_hash = ENV.to_hash + end + + after do + ENV.replace @orig_hash + end + + it "converts [key, value] pairs returned by the block to a hash" do + ENV.replace("a" => "b", "c" => "d") + ENV.to_h { |k, v| [k, v.upcase] }.should == { 'a' => "B", 'c' => "D" } + end + + it "raises ArgumentError if block returns longer or shorter array" do + -> do + ENV.to_h { |k, v| [k, v.upcase, 1] } + end.should raise_error(ArgumentError, /element has wrong array length/) + + -> do + ENV.to_h { |k, v| [k] } + end.should raise_error(ArgumentError, /element has wrong array length/) + end + + it "raises TypeError if block returns something other than Array" do + -> do + ENV.to_h { |k, v| "not-array" } + end.should raise_error(TypeError, /wrong element type String/) + end + + it "coerces returned pair to Array with #to_ary" do + x = mock('x') + x.stub!(:to_ary).and_return([:b, 'b']) + + ENV.to_h { |k| x }.should == { :b => 'b' } + end + + it "does not coerce returned pair to Array with #to_a" do + x = mock('x') + x.stub!(:to_a).and_return([:b, 'b']) + + -> do + ENV.to_h { |k| x } + end.should raise_error(TypeError, /wrong element type MockObject/) end end end |