diff --git a/.vscode/settings.json b/.vscode/settings.json
index dcb1530..f03cc89 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,4 +1,5 @@
 {
     "python.analysis.typeCheckingMode": "basic",
-    "python.analysis.autoImportCompletions": true
+    "python.analysis.autoImportCompletions": true,
+    "python.pythonPath": "./venv/bin/python"
 }
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4dcaf78
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+okipy
\ No newline at end of file
diff --git a/setup.sh b/setup.sh
index 685be52..0079850 100755
--- a/setup.sh
+++ b/setup.sh
@@ -3,4 +3,5 @@ set -e
 cd "$(dirname "$(realpath "$0")")"
 
 python3 -m venv venv
-source venv/bin/activate
\ No newline at end of file
+source venv/bin/activate
+pip install -r requirements.txt
\ No newline at end of file
diff --git a/tests/cases.py b/tests/cases.py
new file mode 100755
index 0000000..ba88e17
--- /dev/null
+++ b/tests/cases.py
@@ -0,0 +1,70 @@
+#!/bin/env -S python
+
+from typing import TypeVar, Any
+from os.path import dirname
+import sys
+
+sys.path.append(f"{dirname(__file__)}/../src")
+from pyalibert import regex, Parser, just, Declare
+
+
+from okipy.lib import Suite
+
+
+# utils
+whitespace = just(" ").or_(just("\n")).repeat()
+T = TypeVar("T")
+def lexeme(p: Parser[T]) -> Parser[T]:
+    return p << whitespace
+
+
+suite = Suite("cases")
+
+
+@suite.test()
+def case_json(ctx):
+    # Punctuation
+    lbrace = lexeme(just("{"))
+    rbrace = lexeme(just("}"))
+    lbrack = lexeme(just("["))
+    rbrack = lexeme(just("]"))
+    colon = lexeme(just(":"))
+    comma = lexeme(just(","))
+    # Primitives
+    true = lexeme(just("true")).set(True)
+    false = lexeme(just("false")).set(False)
+    null = lexeme(just("null")).set(None)
+    number = lexeme(regex(r"-?(0|[1-9][0-9]*)([.][0-9]+)?([eE][+-]?[0-9]+)?")).map(float)
+    just_part = regex(r'[^"\\]+')
+    just_esc = just("\\") >> ( just("\\") | just("/") | just('"') | just("b").set("\b") | just("f").set("\f") | just("n").set("\n") | just("r").set("\r") | just("t").set("\t") | regex(r"u[0-9a-fA-F]{4}").map(lambda s: chr(int(s[1:], 16))))
+    quoted = lexeme(just('"') >> (just_part | just_esc).repeat().map(lambda l: "".join(l)) << just('"'))
+    # Data structures
+    json = Declare[Any]()
+    object_pair = (quoted << colon) & json.parser()
+    json_object = lbrace >> object_pair.sep_by(comma).map(dict) << rbrace
+    array = lbrack >> json.parser().sep_by(comma) << rbrack
+    # Everything
+    json.define(quoted | number | json_object | array | true | false | null)
+    json = json.parser()
+    # asserts
+    assert json.parse("1") == 1
+    assert json.parse('"1"') == "1"
+    assert json.parse('["1", 1]') == ["1", 1]
+    assert json.parse('{"1": 1}') == {"1": 1}
+    assert json.parse(r"""{
+            "int": 1,
+            "just": "hello",
+            "a list": [1, 2, 3],
+            "escapes": "\n \u24D2",
+            "nested": {"x": "y"},
+            "other": [true, false, null]
+        }""") == {
+            "int": 1,
+            "just": "hello",
+            "a list": [1, 2, 3],
+            "escapes": "\n ⓒ",
+            "nested": {"x": "y"},
+            "other": [True, False, None],
+        }
+
+if __name__ == "__main__": suite.run(sys.argv[1:])
diff --git a/tests/inline.py b/tests/inline.py
new file mode 100755
index 0000000..8a5b684
--- /dev/null
+++ b/tests/inline.py
@@ -0,0 +1,12 @@
+#!/bin/env -S python
+
+from os.path import dirname
+import sys
+
+from okipy.lib import get_inline_suite
+
+sys.path.append(f"{dirname(__file__)}/../src")
+import pyalibert # executes inline tests
+
+
+if __name__ == "__main__": get_inline_suite().run(sys.argv[1:])
diff --git a/tests/json.py b/tests/json.py
deleted file mode 100644
index a08535a..0000000
--- a/tests/json.py
+++ /dev/null
@@ -1,86 +0,0 @@
-from os.path import dirname
-import sys
-
-sys.path.append(f"{dirname(__file__)}/../src")
-from party import regex, Parser, just, FwDeclaration
-
-from typing import TypeVar, Any
-
-# Utilities
-# whitespace = regex(r"\s*")
-whitespace = just(" ").or_else(just("\n")).repeat()
-
-T = TypeVar("T")
-
-
-def lexeme(p: Parser[T]) -> Parser[T]:
-    return p << whitespace
-
-
-# Punctuation
-lbrace = lexeme(just("{"))
-rbrace = lexeme(just("}"))
-lbrack = lexeme(just("["))
-rbrack = lexeme(just("]"))
-colon = lexeme(just(":"))
-comma = lexeme(just(","))
-
-# Primitives
-true = lexeme(just("true")).value(True)
-false = lexeme(just("false")).value(False)
-null = lexeme(just("null")).value(None)
-number = lexeme(regex(r"-?(0|[1-9][0-9]*)([.][0-9]+)?([eE][+-]?[0-9]+)?")).map(float)
-just_part = regex(r'[^"\\]+')
-just_esc = just("\\") >> (
-    just("\\")
-    | just("/")
-    | just('"')
-    | just("b").value("\b")
-    | just("f").value("\f")
-    | just("n").value("\n")
-    | just("r").value("\r")
-    | just("t").value("\t")
-    | regex(r"u[0-9a-fA-F]{4}").map(lambda s: chr(int(s[1:], 16)))
-)
-quoted = lexeme(just('"') >> (just_part | just_esc).repeat().map(lambda l: "".join(l)) << just('"'))
-
-# Data structures
-json_value = FwDeclaration[Any]()
-object_pair = (quoted << colon) & json_value.p()
-json_object = lbrace >> object_pair.sep_by(comma).map(dict) << rbrace
-array = lbrack >> json_value.p().sep_by(comma) << rbrack
-
-# Everything
-json_value.define(quoted | number | json_object | array | true | false | null)
-json_doc = whitespace >> json_value.p()
-
-
-def test():
-    assert (
-        json_doc.parse(
-            r"""
-    {
-        "int": 1,
-        "just": "hello",
-        "a list": [1, 2, 3],
-        "escapes": "\n \u24D2",
-        "nested": {"x": "y"},
-        "other": [true, false, null]
-    }
-"""
-        )
-        == {
-            "int": 1,
-            "just": "hello",
-            "a list": [1, 2, 3],
-            "escapes": "\n ⓒ",
-            "nested": {"x": "y"},
-            "other": [True, False, None],
-        }
-    )
-
-
-if __name__ == "__main__":
-    from sys import stdin
-    test()
-    # print(repr(json_doc.parse(stdin.read())))
diff --git a/tests/test.py b/tests/test.py
deleted file mode 100755
index 689c89f..0000000
--- a/tests/test.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/bin/env -S python
-
-from os.path import dirname
-import sys
-
-sys.path.append(f"{dirname(__file__)}/../src")
-from party import regex, Parser, just, FwDeclaration, end
-
-
-# input = "abc"
-# parser = just("a").or_else(just("b")).or_else(just("c"))
-# (parsed1, rest1) = parser.parse_part(input)
-# (parsed2, rest2) = parser.parse_part(rest1)
-# (parsed3, rest3) = parser.parse_part(rest2)
-
-# print(
-#     "parsed1", parsed1,
-#     "rest1", rest1,
-#     "parsed2", parsed2,
-#     "rest2", rest2,
-#     "parsed3", parsed3,
-#     "rest3", rest3,
-# )
-
-
-# input = "a"
-# parser = just("a").and_then(end())
-# parsed = parser.parse(input)
-
-# print("parsed", parsed)
-
-
-# input = "...a"
-# parser = just(".").repeat() >> just("a")
-# parsed = parser.parse(input)
-
-# print("parsed", parsed)
-
-
-# input = r"{a}"
-# parser = just("{") >> just("a") << just("}")
-# parsed = parser.parse(input)
-
-# print("parsed", parsed)
-
-
-# input = r"a,a,a,a"
-# parser = just("a").sep_by(just(","))
-# parsed = parser.parse(input)
-
-# print("parsed", parsed)
-
-
-#td
-input = r"{a,a,a,a"
-# parser = just("{") >> just("a").sep_by(just(","))
-# parser = just("{").and_then(just("a").sep_by(just(",")))
-parser = just("{").and_then(just("a").sep_by(just(",")))
-parsed = parser.parse(input)
-
-print("parsed", parsed)
diff --git a/tests/test.sh b/tests/test.sh
new file mode 100755
index 0000000..30c8349
--- /dev/null
+++ b/tests/test.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+cd "$(dirname "$(realpath "$0")")"
+
+source ../venv/bin/activate
+./inline.py
+./cases.py