69 lines
2.8 KiB
Swift
69 lines
2.8 KiB
Swift
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// ExternalPcmTests — Swift wrapper smoke tests for vc_stream_feed_pcm / vc_set_pcm_sink.
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//
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// These tests verify that the Swift API surface compiles, is callable, and returns expected
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// results at the C-ABI boundary — without requiring a live server or audio hardware.
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// Full end-to-end relay / decode verification is covered by tests/test_external_pcm.cpp
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// (C++ ctest), which runs headlessly on all platforms.
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import XCTest
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@testable import VoiceCatCore
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final class ExternalPcmTests: XCTestCase {
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// MARK: - feedPcm: API surface smoke
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/// Calling feedPcm without a connected client or active stream must return .invalidArg
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/// (not crash). Proves the Swift→C bridge compiles and handles the error path.
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func testFeedPcm_noActiveStream_returnsInvalidArg() {
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let client = VoiceCatClient(config: VoiceCatConfig(
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clientName: "ext-pcm-test",
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clientVersion: "0.1",
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logLevel: .off
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))
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let sine = [Int16](repeating: 0, count: 960)
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// Stream 0 doesn't exist — the core must return invalidArg, not crash.
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let result = client.feedPcm(streamId: 0, pcm: sine, samplesPerChannel: 960, channels: 1)
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XCTAssertEqual(result, .invalidArg)
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}
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/// Calling feedPcm with channels=3 (invalid) must return .invalidArg.
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func testFeedPcm_invalidChannels_returnsInvalidArg() {
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let client = VoiceCatClient(config: VoiceCatConfig(
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clientName: "ext-pcm-test",
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clientVersion: "0.1",
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logLevel: .off
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))
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let pcm = [Int16](repeating: 0, count: 960 * 3)
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let result = client.feedPcm(streamId: 0, pcm: pcm, samplesPerChannel: 960, channels: 3)
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XCTAssertEqual(result, .invalidArg)
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}
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// MARK: - setPcmSink: API surface smoke
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/// setPcmSink(nil) on a freshly-created client must succeed (nil = disable, which is the
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/// default state — a no-op that must still return .ok).
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func testSetPcmSink_nil_returnsOk() {
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let client = VoiceCatClient(config: VoiceCatConfig(
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clientName: "ext-pcm-test",
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clientVersion: "0.1",
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logLevel: .off
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))
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let result = client.setPcmSink(nil, user: nil)
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XCTAssertEqual(result, .ok)
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}
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/// Calling setPcmSink with a @convention(c) function and then immediately disabling it
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/// with nil must both succeed. Verifies the C-ABI function-pointer round-trip.
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func testSetPcmSink_enableThenDisable_bothSucceed() {
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let client = VoiceCatClient(config: VoiceCatConfig(
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clientName: "ext-pcm-test",
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clientVersion: "0.1",
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logLevel: .off
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))
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let mySink: vc_pcm_sink_cb = { _, _, _, _, _, _, _ in }
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XCTAssertEqual(client.setPcmSink(mySink, user: nil), .ok)
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XCTAssertEqual(client.setPcmSink(nil, user: nil), .ok)
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}
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}
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