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࣌ాཧ(.01FQBCP
*OD
%BSU.FFUVQ0TBLB
'MVUUFS1SPWJEFSͰ
ΟδΣοτͷςετΛॻ͘
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ϞόΠϧ8FCΞϓϦέʔγϣϯΤϯδχΞ
࣌ాཧ!PTBNUJNJ[FS
46;63*ࣄۀ෦ϓϩμΫτνʔϜ
IUUQTPTBNUJNJ[FSIBUFOBCMPHDPN
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ΦϦδφϧάοζ͕࡞ΕΔɺചΕΔɺങ͑Δɻ
ը૾Λ1ຕΞοϓ
͢Δ͚ͩ
ࣗಈతʹ͕
Ͱ͖·͢
ࣗͰങ͑Δ͠
ചΔ͜ͱͰ͖·͢
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͡Ίʹ
wࢿྉޙ΄ͲΠϯλʔωοτ্Ͱެ։͠·͢
wIUUQTTQFBLFSEFDLDPNPTBNUJNJ[FS
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ࠓ͢͜ͱ
w'MVUUFSͷ8JEHFU5FTU
w1SPWJEFSʹґଘͨ͠ΟδΣοτͷ8JEHFU5FTUΛॻ͘
w·ͱΊ
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8JEHFU5FTU
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ΟδΣοτʹର͢Δςετ
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'MVUUFSʹ͓͚Δςετ
w6OJU5FTU୯ҰͷϝιουΫϥεʹର͢Δςετ
w*OUFHSBUJPO5FTUΞϓϦશମʹର͢Δςετ
w8JEHFU5FTU୯ҰͷΟδΣοτʹର͢Δςετ
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'MVUUFSʹ͓͚Δςετ
w6OJU5FTU୯ҰͷϝιουΫϥεʹର͢Δςετ
w*OUFHSBUJPO5FTUΞϓϦશମʹର͢Δςετ
w8JEHFU5FTU୯ҰͷΟδΣοτʹର͢Δςετ
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ΟδΣοτͷԿΛ
ςετ͢Δʁ
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ΟδΣοτͷ
ݟͨͱڍಈ
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8JEHFU5FTU͕Χόʔ͢Δͷ
wΟδΣοτએݴతʹهड़
ˠঢ়ଶΛ༩͑ͨͱ͖ɺఆͨ͠ݟͨʹͳΔ͔ʁ
wϢʔβʔͷೖྗΠϕϯτͳͲΛड͚ͯԿ͔Λ͢ΔΟδΣοτ͋Δ
ˠΠϕϯτ͕ൃՐͨ͠ͱ͖ɺఆͨ͠ڍಈΛ͢Δ͔ʁ
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('MyWidget has a title and message', (WidgetTester tester) async {
// ςετͷ४උ
await tester.pumpWidget(MyWidget(title: 'T', message: 'M'));
// ΟδΣοτͷ୳ࡧ
final titleFinder = find.text('T');
final messageFinder = find.text('M');
// ϚονϟͰΟδΣοτΛݕূ
expect(titleFinder, findsOneWidget);
expect(messageFinder, findsOneWidget);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('MyWidget has a title and message', (WidgetTester tester) async {
// ςετͷ४උ
await tester.pumpWidget(MyWidget(title: 'T', message: 'M'));
// ΟδΣοτͷ୳ࡧ
final titleFinder = find.text('T');
final messageFinder = find.text('M');
// ϚονϟͰΟδΣοτΛݕূ
expect(titleFinder, findsOneWidget);
expect(messageFinder, findsOneWidget);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('MyWidget has a title and message', (WidgetTester tester) async {
// ςετͷ४උ
await tester.pumpWidget(MyWidget(title: 'T', message: 'M'));
// ΟδΣοτͷ୳ࡧ
final titleFinder = find.text('T');
final messageFinder = find.text('M');
// ϚονϟͰΟδΣοτΛݕূ
expect(titleFinder, findsOneWidget);
expect(messageFinder, findsOneWidget);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('MyWidget has a title and message', (WidgetTester tester) async {
// ςετͷ४උ
await tester.pumpWidget(MyWidget(title: 'T', message: 'M'));
// ΟδΣοτͷ୳ࡧ
final titleFinder = find.text('T');
final messageFinder = find.text('M');
// ϚονϟͰΟδΣοτΛݕূ
expect(titleFinder, findsOneWidget);
expect(messageFinder, findsOneWidget);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('Add and remove a todo', (WidgetTester tester) async {
await tester.pumpWidget(TodoList());
// WidgetTesterܦ༝ͰΟδΣοτΛૢ࡞
await tester.enterText(find.byType(TextField), 'hi');
await tester.tap(find.byType(FloatingActionButton));
// ΟδΣοτΛϦϏϧυ
await tester.pump();
expect(find.text('hi'), findsOneWidget);
await tester.drag(find.byType(Dismissible), Offset(500.0, 0.0));
await tester.pumpAndSettle();
expect(find.text('hi'), findsNothing);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('Add and remove a todo', (WidgetTester tester) async {
await tester.pumpWidget(TodoList());
// WidgetTesterܦ༝ͰΟδΣοτΛૢ࡞
await tester.enterText(find.byType(TextField), 'hi');
await tester.tap(find.byType(FloatingActionButton));
// ΟδΣοτΛϦϏϧυ
await tester.pump();
expect(find.text('hi'), findsOneWidget);
await tester.drag(find.byType(Dismissible), Offset(500.0, 0.0));
await tester.pumpAndSettle();
expect(find.text('hi'), findsNothing);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUΛॻ͍ͯΈΔ
void main() {
testWidgets('Add and remove a todo', (WidgetTester tester) async {
await tester.pumpWidget(TodoList());
// WidgetTesterܦ༝ͰΟδΣοτΛૢ࡞
await tester.enterText(find.byType(TextField), 'hi');
await tester.tap(find.byType(FloatingActionButton));
// ΟδΣοτΛϦϏϧυ
await tester.pump();
expect(find.text('hi'), findsOneWidget);
await tester.drag(find.byType(Dismissible), Offset(500.0, 0.0));
await tester.pumpAndSettle();
expect(find.text('hi'), findsNothing);
});
}
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTUͷ࣮ߦ
$ flutter test
00:05 +1: All tests passed!
ࢀߟIUUQTqVUUFSEFWEPDTDPPLCPPLUFTUJOHXJEHFUJOUSPEVDUJPO
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8JEHFU5FTU
wݕূ͍ͨ͠ΟδΣοτΛ5FTUFSʹ͢
wίʔυʹΑͬͯΟδΣοτΛૢ࡞ͯ͠ݕূ
wཁૉ͕ଘࡏ͢Δ͔
wΠϕϯτൃՐ࣌ʹఆͨ͠ڍಈʹͳΔ͔
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8JEHFU5FTUͷࠔΓͲ͜Ζ
w6OJU5FTUͱൺֱ͢Δͱɺมߋʹऑ͍
w6*ͦͦมߋ͞Ε͍͢
wςετͳΔ͘$*Ͱࣗಈ࣮ߦ͍ͤͨ͞
w͋·Γڽͬͨ8JEHFU5FTUΛॻ͖͗͢Δͱɺςετͷमਖ਼ʹΘΕΔ
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1SPWJEFSʹґଘͨ͠
ΟδΣοτͷςετ
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1SPWJEFSʹґଘͨ͠ΟδΣοτͷςετ
w1SPWJEFS
w'MVUUFSͰͷঢ়ଶཧΛ͘͢͢͠Δύοέʔδ
wґଘ͍ͯ͠ΔΟδΣοτͷ8JEHFU5FTUʹ͕ඞཁ
w͔͠͠ɺϝϦοτ͋Δ
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αϯϓϧΞϓϦ
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ˠ
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αϯϓϧΞϓϦ
wϝʔϧΞϓϦ
wΞϓϦΛىಈ͢Δͱ࠷৽ͷϝʔϧΛऔಘͯ͠දࣔ
wϦετΛλοϓ͢Δͱϝʔϧͷৄࡉը໘ʹϓογϡભҠ
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αϯϓϧΞϓϦ
.BUFSJBM"QQ
)PNF
4DB⒎PME
.BJM-JTU
-JTU5JMF
1SPWJEFS
-JTU5JMF -JTU5JMF
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αϯϓϧΞϓϦ
.BUFSJBM"QQ
)PNF
4DB⒎PME
.BJM-JTU
-JTU5JMF
1SPWJEFS
-JTU5JMF -JTU5JMF
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αϯϓϧΞϓϦ
class MailList extends StatefulWidget {
…
}
class _MailListState extends State {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
// initStateྃޙʹϝʔϧΛऔಘ͢ΔΞΫγϣϯΛൃߦ
context.read().fetchMails();
});
}
…
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αϯϓϧΞϓϦ
class MailList extends StatefulWidget {
…
}
class _MailListState extends State {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
// initStateྃޙʹϝʔϧΛऔಘ͢ΔΞΫγϣϯΛൃߦ
context.read().fetchMails();
});
}
…
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αϯϓϧΞϓϦ
Widget build(BuildContext context) {
// Providerܦ༝Ͱද͖ࣔ͢ϝʔϧҰཡΛऔಘ
final mails = context.watch().mails;
return Container(
child: ListView.builder(
itemBuilder: (context, index) {
return ListTile(
…
onTap: () async {
// ListTileλοϓ࣌ʹϝʔϧৄࡉʹભҠ
Navigator.of(context).pushNamed(
MailDetail.routeName,
arguments: mails[index],
);
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αϯϓϧΞϓϦͰςετ͍ͨ͠ϙΠϯτ
wΟδΣοτͷॳճϏϧυ࣌ʹϦΫΤετΛ࣮ߦͯ͠ϝʔϧΛऔಘ
wϝʔϧΛλοϓ͢Δͱɺͦͷϝʔϧͷৄࡉը໘ભҠ
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αϯϓϧΞϓϦͰςετ͍ͨ͠ϙΠϯτ
wΟδΣοτͷॳճϏϧυ࣌ʹϦΫΤετΛ࣮ߦͯ͠ϝʔϧΛऔಘ
wϝʔϧΛλοϓ͢Δͱɺͦͷϝʔϧͷৄࡉը໘ભҠ
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αϯϓϧΞϓϦͷ8JEHFU5FTU
void main() {
testWidgets("initialization", (WidgetTester tester) async {
//ςετ༻ͷStoreΛ༻ҙ
final store = MailStore();
expect(store.mails.length, 0);
await tester.pumpWidget(
// testerʹ͢ΟδΣοτΛProviderͰϥοϓ
ChangeNotifierProvider.value(
value: store,
child: Home(),
),
);
// Storeͷঢ়ଶΛݕূ
expect(store.mails.length, 20);
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αϯϓϧΞϓϦͷ8JEHFU5FTU
void main() {
testWidgets("initialization", (WidgetTester tester) async {
//ςετ༻ͷStoreΛ༻ҙ
final store = MailStore();
expect(store.mails.length, 0);
await tester.pumpWidget(
// testerʹ͢ΟδΣοτΛProviderͰϥοϓ
ChangeNotifierProvider.value(
value: store,
child: Home(),
),
);
// Storeͷঢ়ଶΛݕূ
expect(store.mails.length, 20);
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αϯϓϧΞϓϦͷ8JEHFU5FTU
void main() {
testWidgets("initialization", (WidgetTester tester) async {
//ςετ༻ͷStoreΛ༻ҙ
final store = MailStore();
expect(store.mails.length, 0);
await tester.pumpWidget(
// testerʹ͢ΟδΣοτΛProviderͰϥοϓ
ChangeNotifierProvider.value(
value: store,
child: Home(),
),
);
// Storeͷঢ়ଶΛݕূ
expect(store.mails.length, 20);
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αϯϓϧΞϓϦͷ8JEHFU5FTU
void main() {
testWidgets("initialization", (WidgetTester tester) async {
//ςετ༻ͷStoreΛ༻ҙ
final store = MailStore();
expect(store.mails.length, 0);
await tester.pumpWidget(
// testerʹ͢ΟδΣοτΛProviderͰϥοϓ
ChangeNotifierProvider.value(
value: store,
child: Home(),
),
);
// Storeͷঢ়ଶΛݕূ
expect(store.mails.length, 20);
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1SPWJEFSΛ͏8JEHFU5FTU
wςετͷର6*Ͱͳ͘ɺΟδΣοτͷৼΔ͍
w௨ৗͷ8JEHFU5FTUͱൺֱ͢Δͱɺมߋʹڧ͍
wςετΛॻ͘ෛՙΛ͑ͭͭɺมߋʹڧ͍ΞϓϦΛ࡞Γ͘͢ͳΔ
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·ͱΊ
w8JEHFU5FTU໊લͷ௨ΓΟδΣοτʹର͢Δςετ
wίʔυͰΟδΣοτͷૢ࡞Λهड़Ͱ͖Δ
wมߋʹऑ͍͕ɺ1SPWJEFSͱΈ߹ΘͤΔͱৼΔ͍ͷςετ͕Ͱ͖Δ
wৼΔ͍ͷςετมߋʹڧ͍