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Add withTestCtx for Storage.test.ts #117

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merged 1 commit into from
Oct 8, 2025
Merged

Add withTestCtx for Storage.test.ts #117

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114 changes: 72 additions & 42 deletions extension/src/services/__tests__/Storage.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,32 +8,44 @@ import {
Storage,
} from "../../services/Storage.ts";

const StorageLive = Layer.empty.pipe(
Layer.provideMerge(Storage.Default),
Layer.provide(TestVsCode.Default),
Layer.provideMerge(
Layer.succeed(ExtensionContext, {
globalState: new Memento(),
workspaceState: new Memento(),
}),
),
);

it.layer(StorageLive)("Storage", (it) => {
const key = createStorageKey("key", Schema.Struct({ value: Schema.Int }));
const withTestCtx = Effect.fnUntraced(function* (
ctx: { globalState?: Memento; workspaceState?: Memento } = {},
) {
const vscode = yield* TestVsCode.make();
const layer = Layer.empty.pipe(
Layer.provideMerge(Storage.Default),
Layer.provide(TestVsCode.Default),
Layer.provideMerge(
Layer.succeed(ExtensionContext, {
globalState: ctx.globalState ?? new Memento(),
workspaceState: ctx.workspaceState ?? new Memento(),
}),
),
);
return {
key: createStorageKey("key", Schema.Struct({ value: Schema.Int })),
layer,
vscode,
};
});

it.effect(
"should return Option.None when no entry",
Effect.fnUntraced(function* () {
it.effect(
"should return Option.None when no entry",
Effect.fnUntraced(function* () {
const { key, layer } = yield* withTestCtx();
yield* Effect.gen(function* () {
const storage = yield* Storage;
const value = yield* storage.workspace.get(key);
assert(Option.isOption(value));
}),
);
}).pipe(Effect.provide(layer));
}),
);

it.effect(
"should fallback to default without updating storage",
Effect.fnUntraced(function* () {
it.effect(
"should fallback to default without updating storage",
Effect.fnUntraced(function* () {
const { key, layer } = yield* withTestCtx();
yield* Effect.gen(function* () {
const storage = yield* Storage;
const defaultValue = { value: 1 };

Expand All @@ -47,12 +59,15 @@ it.layer(StorageLive)("Storage", (it) => {
"workspaceState": {},
}
`);
}),
);
}).pipe(Effect.provide(layer));
}),
);

it.effect(
"should encode value into the underlying store",
Effect.fnUntraced(function* () {
it.effect(
"should encode value into the underlying store",
Effect.fnUntraced(function* () {
const { key, layer } = yield* withTestCtx();
yield* Effect.gen(function* () {
const storage = yield* Storage;
yield* storage.workspace.set(key, { value: 2 });

Expand All @@ -67,12 +82,20 @@ it.layer(StorageLive)("Storage", (it) => {
},
}
`);
}),
);
}).pipe(Effect.provide(layer));
}),
);

it.effect(
"should replace existing value in the underlying store",
Effect.fnUntraced(function* () {
it.effect(
"should replace existing value in the underlying store",
Effect.fnUntraced(function* () {
// initial state
const workspaceState = new Memento();
workspaceState.update("key", { value: 2 });

const { key, layer } = yield* withTestCtx({ workspaceState });

yield* Effect.gen(function* () {
const storage = yield* Storage;
yield* storage.workspace.set(key, { value: 3 });

Expand All @@ -87,17 +110,24 @@ it.layer(StorageLive)("Storage", (it) => {
},
}
`);
}),
);
}).pipe(Effect.provide(layer));
}),
);

it.effect(
"should throw StorageDecodeError badly encoded value",
Effect.fnUntraced(function* () {
const workspaceState = new Memento();
workspaceState.update("key", "blah");

it.effect.fails(
"should throw StorageDecodeError badly encoded value",
Effect.fnUntraced(function* () {
const { key, layer } = yield* withTestCtx({ workspaceState });

yield* Effect.gen(function* () {
const storage = yield* Storage;
const context = yield* ExtensionContext;
const result = yield* Effect.either(storage.workspace.get(key));

yield* Effect.promise(() => context.workspaceState.update("key", "blah"));
yield* storage.workspace.get(key);
}),
);
});
assert(result._tag === "Left", "Expected to fail decoding");
assert(result.left._tag === "StorageDecodeError");
}).pipe(Effect.provide(layer));
}),
);