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493d437e79
* Remove outdated option
04078317ba
* Use the non-globally exposed RSpec syntax
https://github.com/rspec/rspec-core/pull/2803
* Use the non-globally exposed RSpec syntax, cont
https://github.com/rspec/rspec-core/pull/2803
* Comply to strict predicate matchers
See:
- https://github.com/rspec/rspec-expectations/pull/1195
- https://github.com/rspec/rspec-expectations/pull/1196
- https://github.com/rspec/rspec-expectations/pull/1277
42 lines
1.3 KiB
Ruby
42 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe TimelineLookup do
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it "returns an empty array for empty input" do
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expect(TimelineLookup.build([])).to eq([])
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end
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it "returns an empty array for if input is an array if post ids" do
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expect(TimelineLookup.build([1, 2, 3])).to eq([])
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end
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it "returns the lookup for a series of posts" do
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result = TimelineLookup.build([[111, 10], [222, 9], [333, 8]])
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expect(result).to eq([[1, 10], [2, 9], [3, 8]])
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end
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it "omits duplicate dates" do
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result = TimelineLookup.build([[111, 10], [222, 10], [333, 8]])
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expect(result).to eq([[1, 10], [3, 8]])
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end
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it "respects a `max_values` setting" do
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input = (1..100).map { |i| [1000 + i, 100 - i] }
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result = TimelineLookup.build(input, 5)
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# even if max_value is 5 we might get 6 (5 + 1)
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# to ensure the last tuple is captured
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expect(result).to eq([[1, 99], [21, 79], [41, 59], [61, 39], [81, 19], [input.size, input.last[1]]])
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end
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it "respects an uneven `max_values` setting" do
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input = (1..100).map { |i| [1000 + i, 100 - i] }
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result = TimelineLookup.build(input, 3)
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# even if max_value is 3 we might get 4 (3 + 1)
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# to ensure the last tuple is captured
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expect(result.size).to eq(4)
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expect(result).to eq([[1, 99], [35, 65], [69, 31], [input.size, input.last[1]]])
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end
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end
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