Ability to insert base64 binary data as JSON, closes #126

tests/test_cli.py

@@ -554,6 +554,18 @@ def test_insert_not_null_default(db_path, tmpdir):
     ) == db["dogs"].schema
 
 
+def test_insert_binary_base64(db_path):
+    result = CliRunner().invoke(
+        cli.cli,
+        ["insert", db_path, "files", "-"],
+        input=r'{"content": {"$base64": true, "encoded": "aGVsbG8="}}',
+    )
+    assert 0 == result.exit_code, result.output
+    db = Database(db_path)
+    actual = db.execute_returning_dicts("select content from files")
+    assert actual == [{"content": b"hello"}]
+
+
 def test_insert_newline_delimited(db_path):
     result = CliRunner().invoke(
         cli.cli,

tests/test_utils.py

@@ -0,0 +1,22 @@
+from sqlite_utils import utils
+import pytest
+
+
+@pytest.mark.parametrize(
+    "input,expected,should_be_is",
+    [
+        ({}, None, True),
+        ({"foo": "bar"}, None, True),
+        (
+            {"content": {"$base64": True, "encoded": "aGVsbG8="}},
+            {"content": b"hello"},
+            False,
+        ),
+    ],
+)
+def test_decode_base64_values(input, expected, should_be_is):
+    actual = utils.decode_base64_values(input)
+    if should_be_is:
+        assert actual is input
+    else:
+        assert actual == expected