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mvidner/httpmock_body.rb

Created August 23, 2024 10:05
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Parse httpmock body from numbers to text
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httpmock_body.rb
#!/usr/bin/env ruby
# The Rust httpmock crate,
# https://docs.rs/httpmock/latest/httpmock/
# in the 0.7.0 version, when it logs the request, it shows the body as
# a numeric array of bytes.
# Make it readable.
# Input:
# [2024-08-23T08:22:33Z DEBUG httpmock::server::web::handlers] Could not match any mock to the following request: HttpMockRequest {
# path: "/api/software/config",
# method: "PUT",
# headers: Some(...)
# body: Some(
# [
# 123,
# 34,
# 112,
# ...
# 125,
# ],
# ),
text = ARGF.read
m = text.match(/body: Some\(\s*(\[.*\]),/m)
# "[123,34,112,34,58,123,34,120,102,99,101,34,58,116,114,117,101,125,125]"
numeric_array_source = m[1].gsub(/\s/, "").sub(",]", "]")
# as if we eval'd, but safe
# [123, 34, 112, 34, 58, 123, 34, 120, 102, 99, 101, 34, 58, 116, 114, 117, 101, 125, 125]
parsed = numeric_array_source.tr("][", "").split(",").map { |s| s.to_i }
body = parsed.map(&:chr).join("")
# {"p":{"xfce":true}}
puts body
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