Commit 305b00d

@@ -0,0 +1,140 @@
+import 'package:blood_pressure_app/model/blood_pressure.dart';
+import 'package:blood_pressure_app/model/export_import/column.dart';
+import 'package:blood_pressure_app/model/export_import/import_field_type.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('NativeColumn', () {
+    test('allColumns should contain fields', () {
+      expect(NativeColumn.allColumns, containsAll([
+        NativeColumn.timestampUnixMs,
+        NativeColumn.systolic,
+        NativeColumn.diastolic,
+        NativeColumn.pulse,
+        NativeColumn.notes,
+        NativeColumn.color,
+        NativeColumn.needlePin,
+      ]));
+    });
+    test('columns should have internalIdentifier prefixed with "native."', () {
+      for (final c in NativeColumn.allColumns) {
+        expect(c.internalIdentifier, startsWith("native."));
+      }
+    });
+    test('columns should encode into non-empty string', () {
+      // Use BuildInColumn for utility columns
+      for (final c in NativeColumn.allColumns) {
+        expect(c.encode(getRecord()), isNotEmpty);
+      }
+    });
+    test('columns should only contain restoreable types', () {
+      // Use BuildInColumn for utility columns
+      for (final c in NativeColumn.allColumns) {
+        expect(c.restoreAbleType, isNotNull);
+      }
+    });
+    test('columns should decode correctly', () {
+      final r = getRecord();
+      for (final c in NativeColumn.allColumns) {
+        final txt = c.encode(r);
+        final decoded = c.decode(txt);
+        expect(decoded, isNotNull);
+        switch (decoded!.$1) {
+          case RowDataFieldType.timestamp:
+            expect(decoded.$2, isA<DateTime>().having(
+                    (p0) => p0.millisecondsSinceEpoch, 'milliseconds', r.creationTime.millisecondsSinceEpoch));
+            break;
+          case RowDataFieldType.sys:
+            expect(decoded.$2, isA<int>().having(
+                    (p0) => p0, 'systolic', r.systolic));
+            break;
+          case RowDataFieldType.dia:
+            expect(decoded.$2, isA<int>().having(
+                    (p0) => p0, 'diastolic', r.diastolic));
+            break;
+          case RowDataFieldType.pul:
+            expect(decoded.$2, isA<int>().having(
+                    (p0) => p0, 'pulse', r.pulse));
+            break;
+          case RowDataFieldType.notes:
+            expect(decoded.$2, isA<String>().having(
+                    (p0) => p0, 'pulse', r.notes));
+            break;
+          case RowDataFieldType.color:
+            expect(decoded.$2, isA<Color>().having(
+                    (p0) => p0, 'color', r.needlePin?.color));
+            break;
+          case RowDataFieldType.needlePin:
+            expect(decoded.$2, isA<MeasurementNeedlePin>().having(
+                    (p0) => p0.toJson(), 'pin', r.needlePin?.toJson()));
+            break;
+        }
+      }
+    });
+  });
+
+  group('BuildInColumn', () {
+    test('allColumns should contain fields', () {
+      expect(BuildInColumn.allColumns, containsAll([
+        BuildInColumn.pulsePressure,
+        BuildInColumn.mhDate,
+        BuildInColumn.mhSys,
+        BuildInColumn.mhDia,
+        BuildInColumn.mhPul,
+        BuildInColumn.mhDesc,
+        BuildInColumn.mhTags,
+        BuildInColumn.mhWeight,
+        BuildInColumn.mhOxygen,
+      ]));
+    });
+    test('columns should have internalIdentifier prefixed with "buildin."', () {
+      for (final c in BuildInColumn.allColumns) {
+        expect(c.internalIdentifier, startsWith("buildin."));
+      }
+    });
+    test('columns should decode correctly', () {
+      final r = getRecord();
+      for (final c in BuildInColumn.allColumns) {
+        final txt = c.encode(r);
+        final decoded = c.decode(txt);
+        switch (decoded?.$1) {
+          case RowDataFieldType.timestamp:
+            expect(decoded?.$2, isA<DateTime>().having(
+                    (p0) => p0.millisecondsSinceEpoch, 'milliseconds', r.creationTime.millisecondsSinceEpoch));
+            break;
+          case RowDataFieldType.sys:
+            expect(decoded?.$2, isA<int>().having(
+                    (p0) => p0, 'systolic', r.systolic));
+            break;
+          case RowDataFieldType.dia:
+            expect(decoded?.$2, isA<int>().having(
+                    (p0) => p0, 'diastolic', r.diastolic));
+            break;
+          case RowDataFieldType.pul:
+            expect(decoded?.$2, isA<int>().having(
+                    (p0) => p0, 'pulse', r.pulse));
+            break;
+          case RowDataFieldType.notes:
+            expect(decoded?.$2, isA<String>().having(
+                    (p0) => p0, 'pulse', r.notes));
+            break;
+          case RowDataFieldType.color:
+            expect(decoded?.$2, isA<Color>().having(
+                    (p0) => p0, 'color', r.needlePin?.color));
+            break;
+          case RowDataFieldType.needlePin:
+            expect(decoded?.$2, isA<MeasurementNeedlePin>().having(
+                    (p0) => p0.toJson(), 'pin', r.needlePin?.toJson()));
+            break;
+          case null:
+            break;
+        }
+      }
+    });
+  });
+
+  // TODO: UserColumn, TimeColumn
+}
+
+BloodPressureRecord getRecord() => BloodPressureRecord(DateTime.now(), 123, 456, 678, 'notes', needlePin: const MeasurementNeedlePin(Colors.pink));
\ No newline at end of file