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mcp-server-kubernetes: better testing #245058

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27 changes: 22 additions & 5 deletions Formula/m/mcp-server-kubernetes.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,29 @@ def install

test do
json = <<~JSON
{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26"}}
{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"brew-test","version":"1.0"}}}
{"jsonrpc":"2.0","method":"notifications/initialized","params":{}}
{"jsonrpc":"2.0","id":2,"method":"tools/list"}
JSON
output = pipe_output(bin/"mcp-server-kubernetes", json, 0)
assert_match "kubectl_get", output
assert_match "kubectl_describe", output
assert_match "kubectl_logs", output

Open3.popen3(bin/"mcp-server-kubernetes") do |stdin, stdout, _, wait_thread|
begin
stdin.write json
stdin.close
sleep 1
responses = stdout.readlines
ensure
if wait_thread.alive?
begin
Process.kill("TERM", wait_thread.pid)
rescue Errno::ESRCH
# Process already terminated
end
end
end

assert responses.length >= 2, "Expected at least 2 responses, got #{responses.length}"
assert JSON.parse(responses[1]).dig("result", "tools")&.any? { |tool| tool["name"] == "kubectl_get" }
end
end
end
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