39 lines
1.2 KiB
Ruby
39 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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require_relative "compact_index"
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Artifice.deactivate
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class CompactIndexPartialUpdate < CompactIndexAPI
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# Stub the server to never return 304s. This simulates the behaviour of
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# Fastly / Rubygems ignoring ETag headers.
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def not_modified?(_checksum)
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false
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end
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get "/versions" do
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cached_versions_path = File.join(
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Bundler.rubygems.user_home, ".bundle", "cache", "compact_index",
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"localgemserver.test.80.dd34752a738ee965a2a4298dc16db6c5", "versions"
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)
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# Verify a cached copy of the versions file exists
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unless File.binread(cached_versions_path).start_with?("created_at: ")
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raise("Cached versions file should be present and have content")
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end
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# Verify that a partial request is made, starting from the index of the
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# final byte of the cached file.
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unless env["HTTP_RANGE"] == "bytes=#{File.binread(cached_versions_path).bytesize - 1}-"
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raise("Range header should be present, and start from the index of the final byte of the cache.")
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end
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etag_response do
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# Return the exact contents of the cache.
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File.binread(cached_versions_path)
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end
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end
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end
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Artifice.activate_with(CompactIndexPartialUpdate)
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