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121 lines
3.2 KiB
Ruby
121 lines
3.2 KiB
Ruby
# encoding: utf-8
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require 'spec_helper'
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require 'text_sentinel'
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describe TextSentinel do
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context "entropy" do
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it "returns 0 for an empty string" do
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TextSentinel.new("").entropy.should == 0
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end
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it "returns 0 for a nil string" do
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TextSentinel.new(nil).entropy.should == 0
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end
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it "returns 1 for a string with many leading spaces" do
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TextSentinel.new((" " * 10) + "x").entropy.should == 1
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end
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it "returns 1 for one char, even repeated" do
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TextSentinel.new("a" * 10).entropy.should == 1
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end
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it "returns an accurate count of many chars" do
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TextSentinel.new("evil trout is evil").entropy.should == 10
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end
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it "Works on foreign characters" do
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TextSentinel.new("去年十社會警告").entropy.should == 7
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end
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end
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context "cleaning up" do
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it "allows utf-8 chars" do
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TextSentinel.new("йȝîûηыეமிᚉ⠛").text.should == "йȝîûηыეமிᚉ⠛"
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end
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context "interior spaces" do
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let(:spacey_string) { "hello there's weird spaces here." }
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let(:unspacey_string) { "hello there's weird spaces here." }
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it "ignores intra spaces by default" do
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TextSentinel.new(spacey_string).text.should == spacey_string
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end
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it "fixes intra spaces when enabled" do
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TextSentinel.new(spacey_string, remove_interior_spaces: true).text.should == unspacey_string
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end
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it "fixes intra spaces in titles" do
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TextSentinel.title_sentinel(spacey_string).text.should == unspacey_string
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end
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end
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context "stripping whitespace" do
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let(:spacey_string) { " \t test \t " }
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let(:unspacey_string) { "test" }
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it "does not strip leading and trailing whitespace by default" do
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TextSentinel.new(spacey_string).text.should == spacey_string
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end
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it "strips leading and trailing whitespace when enabled" do
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TextSentinel.new(spacey_string, strip: true).text.should == unspacey_string
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end
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it "strips leading and trailing whitespace in titles" do
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TextSentinel.title_sentinel(spacey_string).text.should == unspacey_string
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end
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end
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end
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context "validity" do
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let(:valid_string) { "This is a cool topic about Discourse" }
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it "allows a valid string" do
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TextSentinel.new(valid_string).should be_valid
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end
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it "doesn't allow all caps topics" do
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TextSentinel.new(valid_string.upcase).should_not be_valid
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end
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it "enforces the minimum entropy" do
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TextSentinel.new(valid_string, min_entropy: 16).should be_valid
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end
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it "enforces the minimum entropy" do
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TextSentinel.new(valid_string, min_entropy: 17).should_not be_valid
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end
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it "allows all foreign characters" do
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TextSentinel.new("去年十二月，北韓不顧國際社會警告").should be_valid
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end
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it "doesn't allow a long alphanumeric string with no spaces" do
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TextSentinel.new("jfewjfoejwfojeojfoejofjeo3" * 5, max_word_length: 30).should_not be_valid
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end
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it "doesn't except junk symbols as a string" do
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TextSentinel.new("[[[").should_not be_valid
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TextSentinel.new("<<<").should_not be_valid
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TextSentinel.new("{{$!").should_not be_valid
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end
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end
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end
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