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51 lines
1.9 KiB
Ruby
51 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require "extend/array"
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RSpec.describe Array do
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describe ".to_sentence" do
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it "converts a plain array to a sentence" do
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expect([].to_sentence).to eq("")
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expect(["one"].to_sentence).to eq("one")
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expect(["one", "two"].to_sentence).to eq("one and two")
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expect(["one", "two", "three"].to_sentence).to eq("one, two and three")
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end
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it "converts an array to a sentence with a custom connector" do
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expect(["one", "two", "three"].to_sentence(words_connector: " ")).to eq("one two and three")
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expect(["one", "two", "three"].to_sentence(words_connector: " & ")).to eq("one & two and three")
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end
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it "converts an array to a sentence with a custom last word connector" do
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expect(["one", "two", "three"].to_sentence(last_word_connector: ", and also "))
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.to eq("one, two, and also three")
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expect(["one", "two", "three"].to_sentence(last_word_connector: " ")).to eq("one, two three")
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expect(["one", "two", "three"].to_sentence(last_word_connector: " and ")).to eq("one, two and three")
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end
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it "converts an array to a sentence with a custom two word connector" do
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expect(["one", "two"].to_sentence(two_words_connector: " ")).to eq("one two")
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end
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it "creates a new string" do
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elements = ["one"]
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expect(elements.to_sentence.object_id).not_to eq(elements[0].object_id)
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end
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it "converts a non-String to a sentence" do
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expect([1].to_sentence).to eq("1")
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end
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it "converts an array with blank elements to a sentence" do
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expect([nil, "one", "", "two", "three"].to_sentence).to eq(", one, , two and three")
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end
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it "does not return a frozen string" do
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expect([""].to_sentence).not_to be_frozen
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expect(["one"].to_sentence).not_to be_frozen
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expect(["one", "two"].to_sentence).not_to be_frozen
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expect(["one", "two", "three"].to_sentence).not_to be_frozen
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end
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end
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end
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