diff --git a/Gemfile b/Gemfile
index 8ce5b9e6..f88019d9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,3 +27,4 @@ group :test do
   gem "redis-client"
   gem "appraisal", "~> 2.5"
 end
+gem "blueprinter"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 00000000..aedbc339
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,287 @@
+PATH
+  remote: .
+  specs:
+    rage-rb (1.22.0)
+      irb
+      logger
+      rack (< 4)
+      rack-test (~> 2.1)
+      rage-iodine (~> 5.2)
+      rake (>= 12.0)
+      thor (~> 1.0)
+      zeitwerk (~> 2.6)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (8.1.2)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      json
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (4.0.1)
+    blueprinter (1.2.1)
+    concurrent-ruby (1.3.6)
+    connection_pool (2.5.5)
+    date (3.5.1)
+    diff-lcs (1.6.2)
+    domain_name (0.6.20240107)
+    drb (2.2.3)
+    erb (6.0.2)
+    event_emitter (0.2.6)
+    ffi (1.17.3)
+    ffi (1.17.3-aarch64-linux-gnu)
+    ffi (1.17.3-aarch64-linux-musl)
+    ffi (1.17.3-arm-linux-gnu)
+    ffi (1.17.3-arm-linux-musl)
+    ffi (1.17.3-arm64-darwin)
+    ffi (1.17.3-x86-linux-gnu)
+    ffi (1.17.3-x86-linux-musl)
+    ffi (1.17.3-x86_64-darwin)
+    ffi (1.17.3-x86_64-linux-gnu)
+    ffi (1.17.3-x86_64-linux-musl)
+    http (6.0.1)
+      http-cookie (~> 1.0)
+      llhttp (~> 0.6.1)
+    http-cookie (1.1.0)
+      domain_name (~> 0.5)
+    i18n (1.14.8)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.2)
+    irb (1.17.0)
+      pp (>= 0.6.0)
+      prism (>= 1.3.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.19.1)
+    language_server-protocol (3.17.0.5)
+    llhttp (0.6.1)
+    logger (1.7.0)
+    minitest (6.0.2)
+      drb (~> 2.0)
+      prism (~> 1.5)
+    mutex_m (0.3.0)
+    mysql2 (0.5.7)
+      bigdecimal
+    ostruct (0.6.3)
+    parallel (1.27.0)
+    parser (3.3.10.2)
+      ast (~> 2.4.1)
+      racc
+    pg (1.6.3)
+    pg (1.6.3-aarch64-linux)
+    pg (1.6.3-aarch64-linux-musl)
+    pg (1.6.3-arm64-darwin)
+    pg (1.6.3-x86_64-darwin)
+    pg (1.6.3-x86_64-linux)
+    pg (1.6.3-x86_64-linux-musl)
+    pp (0.6.3)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.9.0)
+    psych (5.3.1)
+      date
+      stringio
+    racc (1.8.1)
+    rack (3.2.5)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rage-iodine (5.2.0)
+    rainbow (3.1.1)
+    rake (13.3.1)
+    rbnacl (7.1.2)
+      ffi (~> 1)
+    rdoc (7.2.0)
+      erb
+      psych (>= 4.0.0)
+      tsort
+    redis-client (0.27.0)
+      connection_pool
+    regexp_parser (2.11.3)
+    reline (0.6.3)
+      io-console (~> 0.5)
+    rexml (3.4.4)
+    rspec (3.13.2)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.6)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.5)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.8)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.7)
+    rubocop (1.65.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.49.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    ruby-progressbar (1.13.0)
+    securerandom (0.4.1)
+    stringio (3.2.0)
+    thor (1.5.0)
+    tsort (0.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.6.0)
+    uri (1.1.1)
+    websocket (1.2.11)
+    websocket-client-simple (0.9.0)
+      base64
+      event_emitter
+      mutex_m
+      websocket
+    yard (0.9.38)
+    zeitwerk (2.7.5)
+
+PLATFORMS
+  aarch64-linux
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  ruby
+  x86-linux-gnu
+  x86-linux-musl
+  x86_64-darwin
+  x86_64-linux-gnu
+  x86_64-linux-musl
+
+DEPENDENCIES
+  activesupport
+  appraisal (~> 2.5)
+  benchmark
+  bigdecimal
+  blueprinter
+  connection_pool (~> 2.0)
+  domain_name
+  http
+  mysql2
+  ostruct
+  pg
+  prism
+  rage-rb!
+  rake (~> 13.0)
+  rbnacl
+  redis-client
+  rspec (~> 3.0)
+  rubocop (~> 1.65.0)
+  websocket-client-simple
+  yard
+
+CHECKSUMS
+  activesupport (8.1.2) sha256=88842578ccd0d40f658289b0e8c842acfe9af751afee2e0744a7873f50b6fdae
+  appraisal (2.5.0) sha256=36989221be127913b0dba8d114da2001e6b2dceea7bd4951200eaba764eed3ce
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  benchmark (0.5.0) sha256=465df122341aedcb81a2a24b4d3bd19b6c67c1530713fd533f3ff034e419236c
+  bigdecimal (4.0.1) sha256=8b07d3d065a9f921c80ceaea7c9d4ae596697295b584c296fe599dd0ad01c4a7
+  blueprinter (1.2.1) sha256=11b534060b0b548f7c7d2084f891742fe12760d8df77cb9a1cffe502a9ceca10
+  concurrent-ruby (1.3.6) sha256=6b56837e1e7e5292f9864f34b69c5a2cbc75c0cf5338f1ce9903d10fa762d5ab
+  connection_pool (2.5.5) sha256=e54ff92855753df1fd7c59fa04a398833355f27dd14c074f8c83a05f72a716ad
+  date (3.5.1) sha256=750d06384d7b9c15d562c76291407d89e368dda4d4fff957eb94962d325a0dc0
+  diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
+  domain_name (0.6.20240107) sha256=5f693b2215708476517479bf2b3802e49068ad82167bcd2286f899536a17d933
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  erb (6.0.2) sha256=9fe6264d44f79422c87490a1558479bd0e7dad4dd0e317656e67ea3077b5242b
+  event_emitter (0.2.6) sha256=c72697bd5cce9d36594be1972c17f1c9a573236f44303a4d1d548080364e1391
+  ffi (1.17.3) sha256=0e9f39f7bb3934f77ad6feab49662be77e87eedcdeb2a3f5c0234c2938563d4c
+  ffi (1.17.3-aarch64-linux-gnu) sha256=28ad573df26560f0aedd8a90c3371279a0b2bd0b4e834b16a2baa10bd7a97068
+  ffi (1.17.3-aarch64-linux-musl) sha256=020b33b76775b1abacc3b7d86b287cef3251f66d747092deec592c7f5df764b2
+  ffi (1.17.3-arm-linux-gnu) sha256=5bd4cea83b68b5ec0037f99c57d5ce2dd5aa438f35decc5ef68a7d085c785668
+  ffi (1.17.3-arm-linux-musl) sha256=0d7626bb96265f9af78afa33e267d71cfef9d9a8eb8f5525344f8da6c7d76053
+  ffi (1.17.3-arm64-darwin) sha256=0c690555d4cee17a7f07c04d59df39b2fba74ec440b19da1f685c6579bb0717f
+  ffi (1.17.3-x86-linux-gnu) sha256=868a88fcaf5186c3a46b7c7c2b2c34550e1e61a405670ab23f5b6c9971529089
+  ffi (1.17.3-x86-linux-musl) sha256=f0286aa6ef40605cf586e61406c446de34397b85dbb08cc99fdaddaef8343945
+  ffi (1.17.3-x86_64-darwin) sha256=1f211811eb5cfaa25998322cdd92ab104bfbd26d1c4c08471599c511f2c00bb5
+  ffi (1.17.3-x86_64-linux-gnu) sha256=3746b01f677aae7b16dc1acb7cb3cc17b3e35bdae7676a3f568153fb0e2c887f
+  ffi (1.17.3-x86_64-linux-musl) sha256=086b221c3a68320b7564066f46fed23449a44f7a1935f1fe5a245bd89d9aea56
+  http (6.0.1) sha256=cff27eed3a0dcbd4f2eabab6807fde4f17597705cb7285bbdf0739da633700ec
+  http-cookie (1.1.0) sha256=38a5e60d1527eebc396831b8c4b9455440509881219273a6c99943d29eadbb19
+  i18n (1.14.8) sha256=285778639134865c5e0f6269e0b818256017e8cde89993fdfcbfb64d088824a5
+  io-console (0.8.2) sha256=d6e3ae7a7cc7574f4b8893b4fca2162e57a825b223a177b7afa236c5ef9814cc
+  irb (1.17.0) sha256=168c4ddb93d8a361a045c41d92b2952c7a118fa73f23fe14e55609eb7a863aae
+  json (2.19.1) sha256=dd94fdc59e48bff85913829a32350b3148156bc4fd2a95a2568a78b11344082d
+  language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
+  llhttp (0.6.1) sha256=9da187ecf6407265465919cc0d691210ef79e38fa6e86e5e45593bdf25b50146
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  minitest (6.0.2) sha256=db6e57956f6ecc6134683b4c87467d6dd792323c7f0eea7b93f66bd284adbc3d
+  mutex_m (0.3.0) sha256=cfcb04ac16b69c4813777022fdceda24e9f798e48092a2b817eb4c0a782b0751
+  mysql2 (0.5.7) sha256=ba09ede515a0ae8a7192040a1b778c0fb0f025fa5877e9be895cd325fa5e9d7b
+  ostruct (0.6.3) sha256=95a2ed4a4bd1d190784e666b47b2d3f078e4a9efda2fccf18f84ddc6538ed912
+  parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
+  parser (3.3.10.2) sha256=6f60c84aa4bdcedb6d1a2434b738fe8a8136807b6adc8f7f53b97da9bc4e9357
+  pg (1.6.3) sha256=1388d0563e13d2758c1089e35e973a3249e955c659592d10e5b77c468f628a99
+  pg (1.6.3-aarch64-linux) sha256=0698ad563e02383c27510b76bf7d4cd2de19cd1d16a5013f375dd473e4be72ea
+  pg (1.6.3-aarch64-linux-musl) sha256=06a75f4ea04b05140146f2a10550b8e0d9f006a79cdaf8b5b130cde40e3ecc2c
+  pg (1.6.3-arm64-darwin) sha256=7240330b572e6355d7c75a7de535edb5dfcbd6295d9c7777df4d9dddfb8c0e5f
+  pg (1.6.3-x86_64-darwin) sha256=ee2e04a17c0627225054ffeb43e31a95be9d7e93abda2737ea3ce4a62f2729d6
+  pg (1.6.3-x86_64-linux) sha256=5d9e188c8f7a0295d162b7b88a768d8452a899977d44f3274d1946d67920ae8d
+  pg (1.6.3-x86_64-linux-musl) sha256=9c9c90d98c72f78eb04c0f55e9618fe55d1512128e411035fe229ff427864009
+  pp (0.6.3) sha256=2951d514450b93ccfeb1df7d021cae0da16e0a7f95ee1e2273719669d0ab9df6
+  prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
+  prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85
+  psych (5.3.1) sha256=eb7a57cef10c9d70173ff74e739d843ac3b2c019a003de48447b2963d81b1974
+  racc (1.8.1) sha256=4a7f6929691dbec8b5209a0b373bc2614882b55fc5d2e447a21aaa691303d62f
+  rack (3.2.5) sha256=4cbd0974c0b79f7a139b4812004a62e4c60b145cba76422e288ee670601ed6d3
+  rack-test (2.2.0) sha256=005a36692c306ac0b4a9350355ee080fd09ddef1148a5f8b2ac636c720f5c463
+  rage-iodine (5.2.0) sha256=80cc85f0ad5065e3e4d7bfe8e4fcf48b2ad70125bd99503395f4ade17b5c76e5
+  rage-rb (1.22.0)
+  rainbow (3.1.1) sha256=039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a
+  rake (13.3.1) sha256=8c9e89d09f66a26a01264e7e3480ec0607f0c497a861ef16063604b1b08eb19c
+  rbnacl (7.1.2) sha256=c58433e93b390a7b8c03a9da9e54f2de67e6cc3d6731553265299c6aac889a60
+  rdoc (7.2.0) sha256=8650f76cd4009c3b54955eb5d7e3a075c60a57276766ebf36f9085e8c9f23192
+  redis-client (0.27.0) sha256=00e5918c1ba3fcd54b28e7be24b36fbf7b073e842c3c021ac072173c3eac42bd
+  regexp_parser (2.11.3) sha256=ca13f381a173b7a93450e53459075c9b76a10433caadcb2f1180f2c741fc55a4
+  reline (0.6.3) sha256=1198b04973565b36ec0f11542ab3f5cfeeec34823f4e54cebde90968092b1835
+  rexml (3.4.4) sha256=19e0a2c3425dfbf2d4fc1189747bdb2f849b6c5e74180401b15734bc97b5d142
+  rspec (3.13.2) sha256=206284a08ad798e61f86d7ca3e376718d52c0bc944626b2349266f239f820587
+  rspec-core (3.13.6) sha256=a8823c6411667b60a8bca135364351dda34cd55e44ff94c4be4633b37d828b2d
+  rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
+  rspec-mocks (3.13.8) sha256=086ad3d3d17533f4237643de0b5c42f04b66348c28bf6b9c2d3f4a3b01af1d47
+  rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
+  rubocop (1.65.1) sha256=3a239b71fcfdeb32c654f4b48c2e6aeb4f77b128e348fa9442184f207e70718d
+  rubocop-ast (1.49.1) sha256=4412f3ee70f6fe4546cc489548e0f6fcf76cafcfa80fa03af67098ffed755035
+  ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
+  securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
+  stringio (3.2.0) sha256=c37cb2e58b4ffbd33fe5cd948c05934af997b36e0b6ca6fdf43afa234cf222e1
+  thor (1.5.0) sha256=e3a9e55fe857e44859ce104a84675ab6e8cd59c650a49106a05f55f136425e73
+  tsort (0.2.0) sha256=9650a793f6859a43b6641671278f79cfead60ac714148aabe4e3f0060480089f
+  tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b
+  unicode-display_width (2.6.0) sha256=12279874bba6d5e4d2728cef814b19197dbb10d7a7837a869bab65da943b7f5a
+  uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
+  websocket (1.2.11) sha256=b7e7a74e2410b5e85c25858b26b3322f29161e300935f70a0e0d3c35e0462737
+  websocket-client-simple (0.9.0) sha256=f9a37c5e4922b35a711e21e6d73ed1e25892efa47d183203ab2f5beb4e563109
+  yard (0.9.38) sha256=721fb82afb10532aa49860655f6cc2eaa7130889df291b052e1e6b268283010f
+  zeitwerk (2.7.5) sha256=d8da92128c09ea6ec62c949011b00ed4a20242b255293dd66bf41545398f73dd
+
+BUNDLED WITH
+  4.0.8
diff --git a/lib/rage/openapi/parsers/ext/blueprinter.rb b/lib/rage/openapi/parsers/ext/blueprinter.rb
new file mode 100644
index 00000000..15891428
--- /dev/null
+++ b/lib/rage/openapi/parsers/ext/blueprinter.rb
@@ -0,0 +1,130 @@
+# frozen_string_literal: true
+
+class Rage::OpenAPI::Parsers::Ext::Blueprinter
+  attr_reader :namespace
+
+  def initialize(namespace: Object, **)
+    @namespace = namespace
+    @parsing_stack = []
+  end
+
+  def known_definition?(str)
+    _, str = Rage::OpenAPI.__try_parse_collection(str)
+    defined?(Blueprinter::Base) && @namespace.const_get(str).ancestors.include?(Blueprinter::Base)
+  rescue NameError
+    false
+  end
+
+  def parse(klass_str, view: :default)
+    __parse(klass_str, view:).build_schema
+  end
+
+  def __parse_nested(klass_str)
+    return { "type" => "object" } if @parsing_stack.include?(klass_str)
+    __parse(klass_str).build_schema
+  end
+
+  def __parse(klass_str, view: :default)
+    is_collection, klass_str = Rage::OpenAPI.__try_parse_collection(klass_str)
+
+    klass = @namespace.const_get(klass_str)
+    source_path, _ = Object.const_source_location(klass.name)
+    ast = Prism.parse_file(source_path)
+
+    @parsing_stack.push(klass_str)
+    visitor = Visitor.new(self, is_collection, klass_str, view)
+    ast.value.accept(visitor)
+    @parsing_stack.pop
+
+    visitor
+  end
+
+  class Visitor < Prism::Visitor
+    attr_accessor :schema
+
+    def initialize(parser, is_collection, target_class_name, view)
+      @parser = parser
+      @is_collection = is_collection
+      @target_class_name = target_class_name
+      @view = view
+      @schema = {}
+      @current_segment = @schema
+      @current_class_name = nil
+      @current_view = :default
+    end
+
+    def build_schema
+      result = { "type" => "object" }
+      result["properties"] = @schema if @schema.any?
+
+      if @is_collection
+        result = { "type" => "array", "items" => result }
+      end
+
+      result
+    end
+
+    def visit_class_node(node)
+      previous_class = @current_class_name
+      @current_class_name = node.constant_path.slice
+      super
+      @current_class_name = previous_class
+    end
+
+    def visit_call_node(node)
+      return super unless @current_class_name == @target_class_name
+
+      case node.name
+      when :field, :identifier
+        # Only add field if we are in the requested view
+        return unless @current_view == :default || @current_view == @view
+
+        first_arg = node.arguments&.arguments&.first
+        if first_arg.is_a?(Prism::SymbolNode)
+          field_name = first_arg.value.to_s
+          @current_segment[field_name] = { "type" => "string" }
+        end
+
+      when :association
+        return unless @current_view == :default || @current_view == @view
+
+        first_arg = node.arguments&.arguments&.first
+        if first_arg.is_a?(Prism::SymbolNode)
+          association_name = first_arg.value.to_s
+
+          blueprint_klass_str = nil
+          node.arguments&.arguments&.each do |arg|
+            if arg.is_a?(Prism::KeywordHashNode)
+              arg.elements.each do |assoc|
+                if assoc.key.value == "blueprint"
+                  blueprint_klass_str = assoc.value.slice
+                end
+              end
+            end
+          end
+
+          @current_segment[association_name] = if blueprint_klass_str
+            @parser.__parse_nested(blueprint_klass_str)
+          else
+            { "type" => "object" }
+          end
+        end
+
+      when :view
+        # Get the view name from the first argument
+        first_arg = node.arguments&.arguments&.first
+        if first_arg.is_a?(Prism::SymbolNode)
+          view_name = first_arg.value.to_sym
+          previous_view = @current_view
+          @current_view = view_name
+          # Visit the block contents
+          visit(node.block)
+          @current_view = previous_view
+        end
+
+      else
+        super
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/openapi/parsers/ext/blueprinter_spec.rb b/spec/openapi/parsers/ext/blueprinter_spec.rb
new file mode 100644
index 00000000..49d58500
--- /dev/null
+++ b/spec/openapi/parsers/ext/blueprinter_spec.rb
@@ -0,0 +1,212 @@
+# frozen_string_literal: true
+
+require "prism"
+require "blueprinter"
+require "rage/openapi/parsers/ext/blueprinter"
+
+RSpec.describe Rage::OpenAPI::Parsers::Ext::Blueprinter do
+  include_context "mocked_classes"
+
+  subject { described_class.new(**options).parse(resource, **parse_options) }
+
+  let(:options) { {} }
+  let(:parse_options) { {} }
+  let(:resource) { "UserBlueprint" }
+
+  context "with a single field" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+      RUBY
+    end
+
+    it do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" }
+        }
+      })
+    end
+  end
+
+  context "with multiple fields" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        field :email
+        field :age
+      RUBY
+    end
+
+    it do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" },
+          "email" => { "type" => "string" },
+          "age" => { "type" => "string" }
+        }
+      })
+    end
+  end
+
+  context "with an identifier" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        identifier :id
+        field :name
+      RUBY
+    end
+
+    it do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "id" => { "type" => "string" },
+          "name" => { "type" => "string" }
+        }
+      })
+    end
+  end
+
+  context "with an association" do
+    let_class("AddressBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :street
+        field :city
+      RUBY
+    end
+
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        association :address, blueprint: AddressBlueprint
+      RUBY
+    end
+
+    it do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" },
+          "address" => {
+            "type" => "object",
+            "properties" => {
+              "street" => { "type" => "string" },
+              "city" => { "type" => "string" }
+            }
+          }
+        }
+      })
+    end
+  end
+
+  context "with an association without blueprint" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        association :metadata
+      RUBY
+    end
+
+    it do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" },
+          "metadata" => { "type" => "object" }
+        }
+      })
+    end
+  end
+
+  context "with a default view" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        field :email
+        view :extended do
+          field :phone
+        end
+      RUBY
+    end
+
+    it "returns only default fields" do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" },
+          "email" => { "type" => "string" }
+        }
+      })
+    end
+  end
+
+  context "with an extended view" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        field :email
+        view :extended do
+          field :phone
+          field :age
+        end
+      RUBY
+    end
+
+    let(:parse_options) { { view: :extended } }
+
+    it "returns default fields plus extended fields" do
+      is_expected.to eq({
+        "type" => "object",
+        "properties" => {
+          "name" => { "type" => "string" },
+          "email" => { "type" => "string" },
+          "phone" => { "type" => "string" },
+          "age" => { "type" => "string" }
+        }
+      })
+    end
+  end
+
+  context "with a collection" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+        field :email
+      RUBY
+    end
+
+    let(:resource) { "[UserBlueprint]" }
+
+    it "wraps schema in array" do
+      is_expected.to eq({
+        "type" => "array",
+        "items" => {
+          "type" => "object",
+          "properties" => {
+            "name" => { "type" => "string" },
+            "email" => { "type" => "string" }
+          }
+        }
+      })
+    end
+  end
+
+  context "with known_definition?" do
+    let_class("UserBlueprint", parent: Blueprinter::Base) do
+      <<~'RUBY'
+        field :name
+      RUBY
+    end
+
+    it "returns true for a valid blueprint" do
+      expect(described_class.new.known_definition?("UserBlueprint")).to be(true)
+    end
+
+    it "returns false for an unknown class" do
+      expect(described_class.new.known_definition?("UnknownClass")).to be(false)
+    end
+  end
+end