Added support for inline testing.

23 files changed, 452 insertions, 79 deletions

diff --git a/documentation/bookmark/game/storytelling.md b/documentation/bookmark/game/storytelling.md
index 28613b8b1..b814fd72c 100644
--- a/documentation/bookmark/game/storytelling.md
+++ b/documentation/bookmark/game/storytelling.md
@@ -1,6 +1,6 @@
 # Reference
 
-0. []()
+0. [Hook Your Players Fast (Episode 288)](https://www.youtube.com/watch?v=oUFk2ZGYLs8)
 0. [Sparking Curiosity-Driven Exploration Through Narrative in 'Outer Wilds'](https://www.youtube.com/watch?v=QaGu9tGCNbI)
 0. [Approaching a Pedagogy of Game Writing](https://www.youtube.com/watch?v=24HHIKOA1ZA)
 0. [I Beg You, Please Cripple Your Characters](https://www.youtube.com/watch?v=DGe6ehr0dxs)
diff --git a/documentation/bookmark/testing/inline.md b/documentation/bookmark/testing/inline.md
new file mode 100644
index 000000000..a8d6ce364
--- /dev/null
+++ b/documentation/bookmark/testing/inline.md
@@ -0,0 +1,4 @@
+# Reference
+
+0. [Inline Tests](https://arxiv.org/abs/2209.06315)
+
diff --git a/lux-bootstrapper/src/lux/compiler/cache.clj b/lux-bootstrapper/src/lux/compiler/cache.clj
index 301ddb7ef..dd8fb1188 100644
--- a/lux-bootstrapper/src/lux/compiler/cache.clj
+++ b/lux-bootstrapper/src/lux/compiler/cache.clj
@@ -74,9 +74,9 @@
 (defn ^:private process-def-entry [load-def-value module ^String _def-entry]
   (let [parts (.split _def-entry &&core/datum-separator)]
     (case (first parts)
-      "A" (let [[_ _name ^String _alias] parts
+      "A" (let [[_ _name _exported? ^String _alias] parts
                 [__module __name] (.split _alias &/+name-separator+)]
-            (&a-module/define-alias module _name (&/T [__module __name])))
+            (&a-module/define-alias module _name (= "1" _exported?) (&/T [__module __name])))
       "D" (let [[_ _name _exported? _type] parts
                 [def-type _] (&&&type/deserialize-type _type)]
             (|do [def-value (load-def-value module _name)]
diff --git a/lux-bootstrapper/src/lux/compiler/core.clj b/lux-bootstrapper/src/lux/compiler/core.clj
index 07cd8c759..f6f5c043f 100644
--- a/lux-bootstrapper/src/lux/compiler/core.clj
+++ b/lux-bootstrapper/src/lux/compiler/core.clj
@@ -51,6 +51,7 @@
                                         (&/$AliasG [_dmodule _dname])
                                         (str "A"
                                              datum-separator ?name
+                                             datum-separator (if exported? "1" "0")
                                              datum-separator _dmodule &/+name-separator+ _dname
                                              ;; Next
                                              entry-separator def-entries)
diff --git a/stdlib/source/library/lux/meta/compiler/default/init.lux b/stdlib/source/library/lux/meta/compiler/default/init.lux
index ac2f31861..18d962303 100644
--- a/stdlib/source/library/lux/meta/compiler/default/init.lux
+++ b/stdlib/source/library/lux/meta/compiler/default/init.lux
@@ -111,6 +111,18 @@
                           (moduleA.override_definition [.prelude name] [true {.#Default [.Analysis handler]}])))))]
     (in [])))
 
+(def (with_synthesis_defaults bundle)
+  (-> ///synthesis.Bundle
+      (Operation Any))
+  (do [! ///phase.monad]
+    [_ (|> bundle
+           dictionary.entries
+           (monad.each !
+                       (function (_ [name handler])
+                         (///declaration.lifted_analysis
+                          (moduleA.override_definition [.prelude name] [true {.#Default [.Synthesis handler]}])))))]
+    (in [])))
+
 (def (with_generation_defaults bundle)
   (All (_ anchor expression declaration)
     (-> (///generation.Bundle anchor expression declaration)
@@ -141,10 +153,11 @@
 
 (type .public (Extensions anchor expression declaration)
   [///analysis.Bundle
+   ///synthesis.Bundle
    (///generation.Bundle anchor expression declaration)
    (///declaration.Bundle anchor expression declaration)])
 
-(def .public (with_defaults module [analysis_bundle generation_bundle host_declaration_bundle])
+(def .public (with_defaults module [analysis_bundle synthesis_bundle generation_bundle host_declaration_bundle])
   (All (_ anchor expression declaration)
     (-> Text (Extensions anchor expression declaration)
         (///declaration.Operation anchor expression declaration Any)))
@@ -152,6 +165,7 @@
     .prelude
     (do ///phase.monad
       [_ (with_analysis_defaults analysis_bundle)
+       _ (with_synthesis_defaults synthesis_bundle)
        _ (with_generation_defaults generation_bundle)]
       (with_declaration_defaults (dictionary.composite host_declaration_bundle
                                                        luxD.bundle)))
diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
index 3dab02980..4b9e57fda 100644
--- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
+++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
@@ -26,15 +26,14 @@
     [type
      ["[0]" check]]]]]
  ["[0]" /// (.only)
+  ["[0]" synthesis
+   ["[1]" lux]]
   ["/[1]" //
    [//
     ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)
      [evaluation (.only Eval)]
      ["[0]A" type]
      ["[0]" scope]]
-    ["[0]" synthesis]
-    ["[0]" generation]
-    ["[0]" declaration]
     [///
      ["[0]" reference]
      ["[0]" phase]
@@ -97,8 +96,9 @@
   (-> Type Type Type Type (-> Text Handler))
   (simple (list subjectT param0T param1T) outputT))
 
-(def .public (variadic input output extension_name)
-  (-> Type Type (-> Text Handler))
+(def .public (variadic input output next extension_name)
+  (-> Type Type (-> Text Text)
+      (-> Text Handler))
   (function (_ analyse archive args)
     (do [! phase.monad]
       [_ (typeA.inference output)
@@ -106,7 +106,7 @@
                          (|>> (analyse archive)
                               (typeA.expecting input))
                          args)]
-      (in {analysis.#Extension [.prelude (format extension_name "|generation")] argsA}))))
+      (in {analysis.#Extension [.prelude (next extension_name)] argsA}))))
 
 ... TODO: Get rid of this ASAP
 (these
@@ -353,7 +353,7 @@
   (-> Bundle Bundle)
   (|>> (install "text_=#" (binary Text Text Bit))
        (install "text_<#" (binary Text Text Bit))
-       (install "text_composite#" (variadic Text Text))
+       (install "text_composite#" (variadic Text Text synthesis.synthesis))
        (install "text_index#" (trinary Nat Text Text (type_literal (Maybe Nat))))
        (install "text_size#" (unary Text Nat))
        (install "text_char#" (binary Nat Text Nat))
diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis.lux
index 54b8a874b..71a57c526 100644
--- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis.lux
+++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis.lux
@@ -1,11 +1,12 @@
 (.require
  [library
   [lux (.except)]]
- [//
-  ["[0]" bundle]
+ ["[0]" /
+  ["[1][0]" lux]]
+ ["[0]" // (.only)
   [///
    [synthesis (.only Bundle)]]])
 
 (def .public bundle
   Bundle
-  bundle.empty)
+  /lux.bundle)
diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis/lux.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis/lux.lux
new file mode 100644
index 000000000..c266d6999
--- /dev/null
+++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/synthesis/lux.lux
@@ -0,0 +1,63 @@
+(.require
+ [library
+  [lux (.except Synthesis)
+   [abstract
+    ["[0]" monad (.only do)]]
+   [data
+    ["[0]" text]
+    [collection
+     ["[0]" list (.use "[1]#[0]" monad)]
+     ["[0]" dictionary]]]
+   [meta
+    ["[0]" symbol (.use "[1]#[0]" equivalence)]
+    [compiler
+     ["[0]" phase]]]]]
+ ["[0]" /// (.only)
+  [///
+   ["[0]" synthesis (.only Synthesis Handler Bundle)]]])
+
+(def .public synthesis
+  (-> Text Text)
+  (|>> (text.suffix "|synthesis")))
+
+(def generation
+  (-> Text Text)
+  (text.replaced (synthesis "") "|generation"))
+
+(def .public (install name anonymous)
+  (-> Text (-> Text Handler)
+      (-> Bundle Bundle))
+  (dictionary.has name (anonymous name)))
+
+(def (flat_text_composite expected)
+  (-> Symbol (List Synthesis)
+      (List Synthesis))
+  (|>> (list#each (function (_ it)
+                    (when it
+                      {synthesis.#Extension actual parameters}
+                      (if (symbol#= expected actual)
+                        parameters
+                        (list it))
+
+                      _
+                      (list it))))
+       list#conjoint))
+
+(def (text::composite self)
+  (-> Text Handler)
+  (let [generation [.prelude (generation self)]]
+    (function (_ synthesis archive parts)
+      (do [! phase.monad]
+        [parts (monad.each ! (synthesis archive) parts)]
+        (in {synthesis.#Extension generation (flat_text_composite generation parts)})))))
+
+(def .public bundle
+  Bundle
+  (`` (|> ///.empty
+          (,, (with_template [<default> <handler>]
+                [(..install (let [[_ short] (symbol <default>)]
+                              (synthesis short))
+                            <handler>)]
+
+                [.text_composite# ..text::composite]
+                )))))
diff --git a/stdlib/source/library/lux/test/inline.lux b/stdlib/source/library/lux/test/inline.lux
new file mode 100644
index 000000000..191a798cb
--- /dev/null
+++ b/stdlib/source/library/lux/test/inline.lux
@@ -0,0 +1,73 @@
+(.require
+ [library
+  [lux (.except static)
+   [abstract
+    [monad (.only do)]]
+   [control
+    ["?" parser]
+    ["[0]" try]
+    ["[0]" exception (.only Exception)]]
+   [data
+    ["[0]" text (.only)
+     ["%" \\format]]]
+   [math
+    [number (.only hex)]
+    ["[0]" random (.only Random)]]
+   ["[0]" meta (.only)
+    ["[0]" code (.only)
+     ["?[1]" \\parser (.only Parser)]]
+    [macro
+     [syntax (.only syntax)]]]]])
+
+(exception.def .public (failure test)
+  (Exception Code)
+  (exception.report
+   (list ["Test" (%.code test)])))
+
+(type .public Test
+  (Random Bit))
+
+(def pcg_32_magic_inc
+  Nat
+  (hex "FEDCBA9876543210"))
+
+(def ?static
+  (Parser [(Maybe Nat)
+           Code])
+  (?.either (do ?.monad
+              [seed ?code.nat
+               term ?code.any]
+              (in [{.#Some seed} term]))
+            (do ?.monad
+              [term ?code.any]
+              (in [{.#None} term]))))
+
+(def .public static
+  (syntax (_ [[seed term] ?static])
+    (do [! meta.monad]
+      [test (meta.eval Test term)
+       seed (when seed
+              {.#Some seed}
+              (in seed)
+
+              _
+              meta.seed)
+       .let [[_ success?] (random.result (random.pcg_32 [..pcg_32_magic_inc seed])
+                                         (as Test test))]]
+      (if success?
+        (in (list))
+        (meta.failure (exception.error ..failure [term]))))))
+
+(def .public dynamic
+  (syntax (_ [test ?code.any])
+    (do [! meta.monad]
+      [error_message (meta.try (meta.failure (exception.error ..failure [test])))]
+      (in (list (` (is Any
+                       (if (is Bit (, test))
+                         []
+                         (panic! (, (code.text (when error_message
+                                                 {try.#Failure error}
+                                                 error
+                                                 
+                                                 {try.#Success _}
+                                                 ""))))))))))))
diff --git a/stdlib/source/library/lux/test/property.lux b/stdlib/source/library/lux/test/property.lux
index db3adfb11..3223d7c06 100644
--- a/stdlib/source/library/lux/test/property.lux
+++ b/stdlib/source/library/lux/test/property.lux
@@ -94,10 +94,6 @@
                                     test)]
       [prng result])))
 
-(def failed?
-  (-> Tally Bit)
-  (|>> (the tally.#failures) (n.> 0)))
-
 (def separator
   text.new_line)
 
@@ -129,7 +125,7 @@
           (let [[prng' instance] (random.result (random.pcg_32 [..pcg_32_magic_inc seed]) test)]
             [prng' (do [! async.monad]
                      [[tally documentation] instance]
-                     (if (..failed? tally)
+                     (if (tally.failed? tally)
                        (in [tally (times_failure seed documentation)])
                        (exec
                          (if announce_success?
diff --git a/stdlib/source/library/lux/test/tally.lux b/stdlib/source/library/lux/test/tally.lux
index 7c587d688..1ee172fae 100644
--- a/stdlib/source/library/lux/test/tally.lux
+++ b/stdlib/source/library/lux/test/tally.lux
@@ -19,6 +19,10 @@
     #expected Coverage
     #actual Coverage]))
 
+(def .public failed?
+  (-> Tally Bit)
+  (|>> (the #failures) (n.> 0)))
+
 (def .public (and parameter subject)
   (-> Tally Tally Tally)
   [#successes (n.+ (the #successes parameter) (the #successes subject))
diff --git a/stdlib/source/library/lux/world/net/http/response.lux b/stdlib/source/library/lux/world/net/http/response.lux
index 9c280d019..246e63723 100644
--- a/stdlib/source/library/lux/world/net/http/response.lux
+++ b/stdlib/source/library/lux/world/net/http/response.lux
@@ -1,6 +1,8 @@
 (.require
  [library
   [lux (.except)
+   [abstract
+    [monad (.only Monad)]]
    [control
     ["[0]" try]
     [concurrency
@@ -26,52 +28,64 @@
     #message (Message !)]))
 
 (def .public empty
-  (-> Status (Response Async))
-  (let [body (is (Body Async)
-                 (function (_ _)
-                   (async.resolved {try.#Success [0 (at utf8.codec encoded "")]})))]
-    (function (_ status)
-      [#status status
-       #message [//.#headers (|> header.empty
-                                 (header.has header.content_length 0)
-                                 (header.has header.content_type mime.utf_8))
-                 //.#body body]])))
+  (All (_ !)
+    (-> (Monad !) Status
+        (Response !)))
+  (function (_ ! status)
+    [#status status
+     #message [//.#headers (|> header.empty
+                               (header.has header.content_length 0)
+                               (header.has header.content_type mime.utf_8))
+               //.#body (function (_ _)
+                          (at ! in {try.#Success [0 (at utf8.codec encoded "")]}))]]))
 
-(def .public (temporary_redirect to)
-  (-> URL (Response Async))
+(def .public (temporary_redirect ! to)
+  (All (_ !)
+    (-> (Monad !) URL
+        (Response !)))
   (|> status.temporary_redirect
-      ..empty
+      (..empty !)
       (revised [#message //.#headers] (header.has header.location to))))
 
-(def .public not_found
-  (Response Async)
-  (..empty status.not_found))
+(def .public (not_found !)
+  (All (_ !)
+    (-> (Monad !)
+        (Response !)))
+  (..empty ! status.not_found))
 
-(def .public (content status type data)
-  (-> Status MIME Binary (Response Async))
+(def .public (content ! status type data)
+  (All (_ !)
+    (-> (Monad !) Status MIME Binary
+        (Response !)))
   (let [length (binary.size data)]
     [#status status
      #message [//.#headers (|> header.empty
                                (header.has header.content_length length)
                                (header.has header.content_type type))
                //.#body (function (_ _)
-                          (async.resolved {try.#Success [length data]}))]]))
+                          (at ! in {try.#Success [length data]}))]]))
 
-(def .public bad_request
-  (-> Text (Response Async))
+(def .public (bad_request !)
+  (All (_ !)
+    (-> (Monad !) Text
+        (Response !)))
   (|>> (at utf8.codec encoded)
-       (content status.bad_request mime.utf_8)))
+       (content ! status.bad_request mime.utf_8)))
 
-(def .public ok
-  (-> MIME Binary (Response Async))
-  (content status.ok))
+(def .public (ok !)
+  (All (_ !)
+    (-> (Monad !) MIME Binary
+        (Response !)))
+  (content ! status.ok))
 
 (with_template [<name> <type> <mime> <pre>]
-  [(def .public <name>
-     (-> <type> (Response Async))
+  [(def .public (<name> !)
+     (All (_ !)
+       (-> (Monad !) <type>
+           (Response !)))
      (|>> <pre>
           (at utf8.codec encoded)
-          (..ok <mime>)))]
+          (..ok ! <mime>)))]
 
   [text Text          mime.utf_8 (<|)]
   [html html.Document mime.html  html.html]
diff --git a/stdlib/source/library/lux/world/net/uri.lux b/stdlib/source/library/lux/world/net/uri.lux
index c05a9e4d5..868810c15 100644
--- a/stdlib/source/library/lux/world/net/uri.lux
+++ b/stdlib/source/library/lux/world/net/uri.lux
@@ -1,7 +1,69 @@
 (.require
  [library
-  [lux (.except)]])
+  [lux (.except #host)
+   [data
+    [text
+     ["%" \\format]]]]]
+ [/
+  [port (.only Port)]
+  [path (.only Path)]
+  ["[0]" scheme (.only Scheme)]
+  ["[0]" query (.only Query) (.use "[1]#[0]" codec)]]
+ ["[0]" // (.only Host)])
+
+(def .public (user_info name password)
+  (-> Text Text Text)
+  (%.format name ":" password))
+
+(type .public Authority
+  (Record
+   [#user (Maybe Text)
+    #host Host
+    #port (Maybe Port)]))
+
+(def (authority it)
+  (-> Authority Text)
+  (%.format (when (the #user it)
+              {.#Some it}
+              (%.format it "@")
+              
+              {.#None}
+              "")
+            (the #host it)
+            (when (the #port it)
+              {.#Some it}
+              (%.format ":" (%.nat it))
+              
+              {.#None}
+              "")))
+
+(type .public Fragment
+  Text)
 
 ... https://en.wikipedia.org/wiki/Uniform_Resource_Identifier
 (type .public URI
   Text)
+
+(def .public (uri scheme authority path query fragment)
+  (-> Scheme (Maybe Authority) Path (Maybe Query) (Maybe Fragment)
+      URI)
+  (%.format (scheme.name scheme) ":"
+            (when authority
+              {.#Some authority}
+              (%.format "//" (..authority authority))
+              
+              {.#None}
+              "")
+            path
+            (when query
+              {.#Some query}
+              (%.format "?" (query#encoded query))
+              
+              {.#None}
+              "")
+            (when fragment
+              {.#Some fragment}
+              (%.format "#" fragment)
+              
+              {.#None}
+              "")))
diff --git a/stdlib/source/library/lux/world/net/uri/encoding.lux b/stdlib/source/library/lux/world/net/uri/encoding.lux
index 085d80744..0c58f165d 100644
--- a/stdlib/source/library/lux/world/net/uri/encoding.lux
+++ b/stdlib/source/library/lux/world/net/uri/encoding.lux
@@ -74,7 +74,8 @@
                             (.text_clip# slice_start (nat.- slice_start index) input))))))
   )
 
-(def escape (char "%"))
+(def escape
+  (char "%"))
 
 (exception.def (invalid it)
   (Exception URI_Encoded)
diff --git a/stdlib/source/program/compositor.lux b/stdlib/source/program/compositor.lux
index 77802d3cc..99a4faa4a 100644
--- a/stdlib/source/program/compositor.lux
+++ b/stdlib/source/program/compositor.lux
@@ -34,7 +34,8 @@
         [macro (.only Expander)]]
        [phase
         [extension (.only Extender)
-         ["[0]E" analysis]]]]]
+         ["[0]E" analysis]
+         ["[0]E" synthesis]]]]]
      [meta
       [packager (.only Packager)]
       [context (.only Context)]
@@ -159,6 +160,7 @@
             (do (try.with async.monad)
               [import (import.import (the platform.#file_system platform) (the cli.#libraries compilation))
                .let [all_extensions [(analysisE.bundle host_analysis)
+                                     synthesisE.bundle
                                      generation_bundle
                                      host_declaration_bundle]]
                [state archive phase_wrapper] (sharing [<parameters>]
diff --git a/stdlib/source/specification/lux/abstract/equivalence.lux b/stdlib/source/specification/lux/abstract/equivalence.lux
index cc760886f..439b33093 100644
--- a/stdlib/source/specification/lux/abstract/equivalence.lux
+++ b/stdlib/source/specification/lux/abstract/equivalence.lux
@@ -18,8 +18,13 @@
     [left random
      right random]
     (<| (_.for [/.Equivalence])
-        (all _.and
-             (_.test "Reflexivity"
-               (/#= left left))
-             (_.test "Symmetry"
-               (bit#= (/#= left right) (/#= right left)))))))
+        (_.coverage [/.=]
+          (let [reflexivity!
+                (/#= left left)
+
+                symmetry!
+                (bit#= (/#= left right)
+                       (/#= right left))]
+            (and reflexivity!
+                 symmetry!
+                 ))))))
diff --git a/stdlib/source/test/lux/test.lux b/stdlib/source/test/lux/test.lux
index 8d9be9f39..34891bf65 100644
--- a/stdlib/source/test/lux/test.lux
+++ b/stdlib/source/test/lux/test.lux
@@ -7,7 +7,8 @@
   ["[1][0]" coverage]
   ["[1][0]" tally]
   ["[1][0]" unit]
-  ["[1][0]" property]])
+  ["[1][0]" property]
+  ["[1][0]" inline]])
 
 (def .public test
   Test
@@ -16,4 +17,5 @@
        /tally.test
        /unit.test
        /property.test
+       /inline.test
        ))
diff --git a/stdlib/source/test/lux/test/inline.lux b/stdlib/source/test/lux/test/inline.lux
new file mode 100644
index 000000000..e5cf9cfd6
--- /dev/null
+++ b/stdlib/source/test/lux/test/inline.lux
@@ -0,0 +1,50 @@
+(.require
+ [library
+  [lux (.except)
+   [abstract
+    [monad (.only do)]]
+   [control
+    ["[0]" try]
+    ["[0]" exception]]
+   [data
+    ["[0]" text]]
+   [math
+    ["[0]" random (.only Random) (.use "[1]#[0]" monad)]]
+   [test
+    ["_" property (.only Test)]]]]
+ [\\library
+  ["[0]" /]])
+
+(/.static (random#in true))
+(/.static 123,456,789 (random#in true))
+
+(def .public test
+  Test
+  (<| (_.covering /._)
+      (do [! random.monad]
+        [])
+      (all _.and
+           (_.coverage [/.Test /.static]
+             true)
+           (_.coverage [/.dynamic]
+             (and (when (try (/.dynamic true))
+                    {try.#Success _}
+                    true
+                    
+                    {try.#Failure _}
+                    false)
+                  (when (try (/.dynamic false))
+                    {try.#Success _}
+                    false
+                    
+                    {try.#Failure _}
+                    true)))
+           (_.coverage [/.failure]
+             (when (try (/.dynamic false))
+               {try.#Success _}
+               false
+               
+               {try.#Failure error}
+               (text.contains? (the exception.#label /.failure)
+                               error)))
+           )))
diff --git a/stdlib/source/test/lux/test/tally.lux b/stdlib/source/test/lux/test/tally.lux
index a0c511680..3ac26f403 100644
--- a/stdlib/source/test/lux/test/tally.lux
+++ b/stdlib/source/test/lux/test/tally.lux
@@ -45,6 +45,9 @@
                   (n.= 1 (the /.#failures /.failure))
                   (n.= 0 (set.size (the /.#expected /.failure)))
                   (n.= 0 (set.size (the /.#actual /.failure)))))
+           (_.coverage [/.failed?]
+             (and (/.failed? /.failure)
+                  (not (/.failed? /.success))))
            (_.coverage [/.and /.#expected /.#actual]
              (and (let [it (/.and /.success /.success)]
                     (and (n.= 2 (the /.#successes it))
diff --git a/stdlib/source/test/lux/world/net.lux b/stdlib/source/test/lux/world/net.lux
index ad3a3fa1e..ea22fbca4 100644
--- a/stdlib/source/test/lux/world/net.lux
+++ b/stdlib/source/test/lux/world/net.lux
@@ -11,6 +11,7 @@
   ["[0]" /]]
  ["[0]" /
   ["[1][0]" mime]
+  ["[1][0]" uri]
   ["[1][0]" http
    ["[1]/[0]" client]
    ["[1]/[0]" cookie]
@@ -18,13 +19,7 @@
    ["[1]/[0]" status]
    ["[1]/[0]" version]
    ["[1]/[0]" response]
-   ["[1]/[0]" request]]
-  ["[1][0]" uri
-   ["[1]/[0]" encoding]
-   ["[1]/[0]" scheme]
-   ["[1]/[0]" port]
-   ["[1]/[0]" path]
-   ["[1]/[0]" query]]])
+   ["[1]/[0]" request]]])
 
 (def .public test
   Test
@@ -49,9 +44,5 @@
            /http/response.test
            /http/request.test
 
-           /uri/encoding.test
-           /uri/scheme.test
-           /uri/port.test
-           /uri/path.test
-           /uri/query.test
+           /uri.test
            )))
diff --git a/stdlib/source/test/lux/world/net/http/response.lux b/stdlib/source/test/lux/world/net/http/response.lux
index 28d726a1f..bdefd87c2 100644
--- a/stdlib/source/test/lux/world/net/http/response.lux
+++ b/stdlib/source/test/lux/world/net/http/response.lux
@@ -65,7 +65,8 @@
          .let [expected_css (css.rule selector.any
                                       (list [property.text_color
                                              (value.rgb color)]))]])
-      (_.for [/.Response])
+      (_.for [/.Response
+              /.#message /.#status])
       (`` (all _.and
                (,, (with_template [<coverage> <response>
                                    <status>
@@ -84,14 +85,14 @@
                                    (try#each (mime#= <content_type>))
                                    (try.else false)))))]
 
-                     [/.empty (/.empty expected_status) expected_status 0 mime.utf_8]
-                     [/.not_found /.not_found status.not_found 0 mime.utf_8]
-                     [/.content (/.content expected_status expected_mime utf8_data) expected_status utf8_length expected_mime]
-                     [/.bad_request (/.bad_request utf8) status.bad_request utf8_length mime.utf_8]
-                     [/.ok (/.ok expected_mime utf8_data) status.ok utf8_length expected_mime]
+                     [/.empty (/.empty async.monad expected_status) expected_status 0 mime.utf_8]
+                     [/.not_found (/.not_found async.monad) status.not_found 0 mime.utf_8]
+                     [/.content (/.content async.monad expected_status expected_mime utf8_data) expected_status utf8_length expected_mime]
+                     [/.bad_request (/.bad_request async.monad utf8) status.bad_request utf8_length mime.utf_8]
+                     [/.ok (/.ok async.monad expected_mime utf8_data) status.ok utf8_length expected_mime]
                      ))
                (_.coverage [/.temporary_redirect]
-                 (let [response (/.temporary_redirect expected_url)]
+                 (let [response (/.temporary_redirect async.monad expected_url)]
                    (and (same? status.temporary_redirect (the /.#status response))
                         (|> response
                             (the [/.#message //.#headers])
@@ -99,7 +100,7 @@
                             (try#each (text#= expected_url))
                             (try.else false)))))
                (in (do async.monad
-                     [.let [response (/.text utf8)]
+                     [.let [response (/.text async.monad utf8)]
                       body ((the [/.#message //.#body] response) {.#None})]
                      (unit.coverage [/.text]
                        (and (same? status.ok (the /.#status response))
@@ -118,7 +119,7 @@
                                                (binary#= utf8_data)))
                                 (try.else false))))))
                (in (do async.monad
-                     [.let [response (/.html expected_html)
+                     [.let [response (/.html async.monad expected_html)
                             data (|> expected_html
                                      html.html
                                      utf8#encoded)
@@ -141,7 +142,7 @@
                                                (binary#= data)))
                                 (try.else false))))))
                (in (do async.monad
-                     [.let [response (/.json expected_json)
+                     [.let [response (/.json async.monad expected_json)
                             data (|> expected_json
                                      json#encoded
                                      utf8#encoded)
@@ -164,7 +165,7 @@
                                                (binary#= data)))
                                 (try.else false))))))
                (in (do async.monad
-                     [.let [response (/.css expected_css)
+                     [.let [response (/.css async.monad expected_css)
                             data (|> expected_css
                                      css.css
                                      utf8#encoded)
diff --git a/stdlib/source/test/lux/world/net/uri.lux b/stdlib/source/test/lux/world/net/uri.lux
new file mode 100644
index 000000000..ef8d33f2d
--- /dev/null
+++ b/stdlib/source/test/lux/world/net/uri.lux
@@ -0,0 +1,85 @@
+(.require
+ [library
+  [lux (.except)
+   [abstract
+    [monad (.only do)]]
+   [data
+    ["[0]" text (.only)
+     ["%" \\format]]]
+   [math
+    ["[0]" random (.only Random)]]
+   [test
+    ["_" property (.only Test)]]]]
+ [\\library
+  ["[0]" / (.only)
+   ["[0]" scheme]
+   ["[0]" query (.use "[1]#[0]" codec)]]]
+ ["[0]" /
+  ["[1][0]" encoding]
+  ["[1][0]" scheme]
+  ["[1][0]" port]
+  ["[1][0]" path]
+  ["[1][0]" query]])
+
+(def user_info
+  (Random Text)
+  (do random.monad
+    [name (random.upper_cased 1)
+     password (random.upper_cased 2)]
+    (in (/.user_info name password))))
+
+(def authority
+  (Random /.Authority)
+  (all random.and
+       (random.maybe ..user_info)
+       (random.lower_cased 3)
+       (random.maybe /port.random)
+       ))
+
+(def .public test
+  Test
+  (<| (_.covering /._)
+      (do [! random.monad]
+        [scheme /scheme.random
+         authority ..authority
+         path (random.lower_cased 4)
+         query (/query.random 5)
+         fragment (random.lower_cased 6)])
+      (_.for [/.URI])
+      (all _.and
+           (_.coverage [/.uri]
+             (let [it (/.uri scheme {.#None} path {.#Some query} {.#None})]
+               (and (text.contains? (scheme.name scheme) it)
+                    (text.contains? path it)
+                    (text.contains? (query#encoded query) it))))
+           (_.coverage [/.Authority
+                        /.#user /.#host /.#port
+                        /.user_info]
+             (let [it (/.uri scheme {.#Some authority} path {.#None} {.#None})]
+               (and (text.contains? (scheme.name scheme) it)
+                    (text.contains? path it)
+                    (when (the /.#user authority)
+                      {.#Some user}
+                      (text.contains? user it)
+                      
+                      {.#None}
+                      true)
+                    (text.contains? (the /.#host authority) it)
+                    (when (the /.#port authority)
+                      {.#Some port}
+                      (text.contains? (%.nat port) it)
+                      
+                      {.#None}
+                      true))))
+           (_.coverage [/.Fragment]
+             (let [it (/.uri scheme {.#None} path {.#None} {.#Some fragment})]
+               (and (text.contains? (scheme.name scheme) it)
+                    (text.contains? path it)
+                    (text.contains? fragment it))))
+
+           /encoding.test
+           /scheme.test
+           /port.test
+           /path.test
+           /query.test
+           )))
diff --git a/stdlib/source/test/lux/world/net/uri/port.lux b/stdlib/source/test/lux/world/net/uri/port.lux
index d91dc1d5d..73ee68337 100644
--- a/stdlib/source/test/lux/world/net/uri/port.lux
+++ b/stdlib/source/test/lux/world/net/uri/port.lux
@@ -109,6 +109,7 @@
     (<| (_.covering /._)
         (do [! random.monad]
           [])
+        (_.for [/.Port])
         (`` (all _.and
                  (_.coverage [(,, (with_template [<port>]
                                     [<port>]