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Implement expression change test (per @rf-)

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This commit is contained in:
Conrad Irwin 2014-01-23 23:00:20 -08:00
parent 483728fcc7
commit 7ff98c60a4
1 changed files with 25 additions and 4 deletions
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29
spec/commands/watch_expression_spec.rb
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@ -38,10 +38,31 @@ describe "watch expression" do
eval('watch').should =~ /=> :bar/
end
#it "prints only when an expression changes" do
# # TODO: This is one of the main features, but I am not sure how to test the
# # output from a hook.
#end
it "prints when an expression changes" do
ReplTester.start do
input 'a = 1'
output '=> 1'
input 'watch a'
output "Watching a\nwatch: a => 1"
input "a = 2"
output "watch: a => 2\n=> 2"
end
end
it "doesn't print when an expresison remains the same" do
ReplTester.start do
input 'a = 1'
output '=> 1'
input 'watch a'
output "Watching a\nwatch: a => 1"
input "a = 1"
output "=> 1"
end
end
describe "deleting expressions" do
before do