diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a1d5c4d..626ae89 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,10 +1,6 @@
 name: "Build Packages"
 
-on: workflow_dispatch
-
-defaults:
-  run:
-    shell: bash
+"on": push
 
 jobs:
   build-manylinux:
@@ -37,7 +33,7 @@ jobs:
         env:
           BUILD_FEATURES: vendored
           BUILD_TARGET: ${{ matrix.target }}
-        run: ./build.sh
+        run: sh ./build.sh
 
       - name: Upload library artifacts
         uses: actions/upload-artifact@v2
@@ -74,12 +70,24 @@ jobs:
       - name: Cache cargo resources
         uses: Swatinem/rust-cache@v1
 
+      # pre-build so that openssl dependency is cached, otherwise it will complain:
+      # "This perl implementation doesn't produce Windows like paths"
+      - if: "runner.os == 'Windows'"
+        name: Pre-build (Windows)
+        uses: actions-rs/cargo@v1
+        env:
+          OPENSSL_STATIC: 1
+        with:
+          command: build
+          args: --release --manifest-path indy-credx/Cargo.toml --features vendored
+
       - name: Build library
         env:
           BUILD_FEATURES: vendored
           BUILD_TARGET: ${{ matrix.target }}
           BUILD_TOOLCHAIN: ${{ matrix.toolchain }}
-        run: ./build.sh
+          OPENSSL_STATIC: 1
+        run: sh ./build.sh
 
       - name: Upload library artifacts
         uses: actions/upload-artifact@v2
@@ -93,17 +101,17 @@ jobs:
 
     strategy:
       matrix:
-        plat: [Linux, macOS, Windows]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: [3.6]
         include:
-          - plat: Linux
+          - os: ubuntu-latest
             plat-name: manylinux2014_x86_64
-          - plat: macOS
+          - os: macos-latest
             plat-name: macosx_10_9_x86_64 # macosx_10_9_universal2
-          - plat: Windows
-            plat-name: win32
+          - os: windows-latest
+            plat-name: win_amd64
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout
@@ -122,19 +130,28 @@ jobs:
       - name: Fetch library artifacts
         uses: actions/download-artifact@v2
         with:
-          name: library-${{ matrix.plat }}
+          name: library-${{ runner.os }}
           path: wrappers/python/indy_credx/
 
-      - name: Build python packages
+      - name: Build python package
         run: |
           python setup.py bdist_wheel --python-tag=py3 --plat-name=${{ matrix.plat-name }}
         working-directory: wrappers/python
 
-      - if: "matrix.plat == 'Linux'"
+      - name: Test python package
+        shell: sh
+        run: |
+          cd wrappers/python
+          pip install --upgrade pip
+          pip install dist/*
+          python -m demo.test
+
+      - if: "runner.os == 'Linux'"
+        name: Auditwheel
         run: auditwheel show wrappers/python/dist/*
 
-      - name: Upload python artifacts
+      - name: Upload python package
         uses: actions/upload-artifact@v2
         with:
-          name: python-${{ matrix.plat }}
+          name: python-${{ runner.os }}
           path: wrappers/python/dist/*
diff --git a/.gitignore b/.gitignore
index a9d37c5..8094f6e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+.vscode
 target
 Cargo.lock
diff --git a/wrappers/python/demo/test.py b/wrappers/python/demo/test.py
index 9ff2ff8..b0d4aae 100644
--- a/wrappers/python/demo/test.py
+++ b/wrappers/python/demo/test.py
@@ -20,12 +20,20 @@
 test_did = "55GkHamhTU1ZbTbV2ab9DE"
 
 schema = Schema.create(test_did, "schema name", "schema version", ["attr"], seq_no=15)
-print(schema.to_dict())
+assert schema.to_dict() == {
+    "ver": "1.0",
+    "id": f"{test_did}:2:schema name:schema version",
+    "name": "schema name",
+    "version": "schema version",
+    "attrNames": ["attr"],
+    "seqNo": 15,
+}
+
 
 cred_def, cred_def_pvt, key_proof = CredentialDefinition.create(
     test_did, schema, "CL", tag="tag", support_revocation=True
 )
-print(cred_def)
+assert cred_def.id == f"{test_did}:3:CL:15:tag"
 
 (
     rev_reg_def,
@@ -33,20 +41,20 @@
     rev_reg,
     rev_reg_init_delta,
 ) = RevocationRegistryDefinition.create(test_did, cred_def, "default", "CL_ACCUM", 100)
-print("Tails file hash:", rev_reg_def.tails_hash)
+# print("Tails file hash:", rev_reg_def.tails_hash)
 
 master_secret = MasterSecret.create()
 master_secret_id = "my id"
 
 cred_offer = CredentialOffer.create(schema.id, cred_def, key_proof)
-print("Credential offer:")
-print(cred_offer.to_json())
+# print("Credential offer:")
+# print(cred_offer.to_json())
 
 cred_req, cred_req_metadata = CredentialRequest.create(
     test_did, cred_def, master_secret, master_secret_id, cred_offer
 )
-print("Credential request:")
-print(cred_req.to_json())
+# print("Credential request:")
+# print(cred_req.to_json())
 
 issuer_rev_index = 1
 
@@ -66,12 +74,12 @@
         rev_reg_def.tails_location,
     ),
 )
-print("Issued credential:")
-print(cred.to_json())
+# print("Issued credential:")
+# print(cred.to_json())
 
 cred_received = cred.process(cred_req_metadata, master_secret, cred_def, rev_reg_def)
-print("Processed credential:")
-print(cred_received.to_json())
+# print("Processed credential:")
+# print(cred_received.to_json())
 
 timestamp = int(time())
 
@@ -111,16 +119,14 @@
 )
 # print(presentation.to_json())
 
-print(
-    "Verified:",
-    presentation.verify(
-        pres_req,
-        [schema],
-        [cred_def],
-        [rev_reg_def],
-        {rev_reg_def.id: {timestamp: rev_reg}},
-    ),
+verified = presentation.verify(
+    pres_req,
+    [schema],
+    [cred_def],
+    [rev_reg_def],
+    {rev_reg_def.id: {timestamp: rev_reg}},
 )
+assert verified
 
 
 # rev_delta_2 = rev_reg.revoke_credential(
@@ -142,13 +148,13 @@
     pres_req, present_creds, {}, master_secret, [schema], [cred_def]
 )
 
-print(
-    "Verified:",
-    presentation.verify(
-        pres_req,
-        [schema],
-        [cred_def],
-        [rev_reg_def],
-        {rev_reg_def.id: {timestamp: rev_reg}},
-    ),
+verified = presentation.verify(
+    pres_req,
+    [schema],
+    [cred_def],
+    [rev_reg_def],
+    {rev_reg_def.id: {timestamp: rev_reg}},
 )
+assert not verified
+
+print("ok")