internal/app/sppulse: check behaviour

Still needs to check the relocated functions separately.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 171 insertions, 0 deletions

diff --git a/internal/app/sppulse_test.go b/internal/app/sppulse_test.go
new file mode 100644
index 00000000..75b1db0f
--- /dev/null
+++ b/internal/app/sppulse_test.go
@@ -0,0 +1,171 @@
+package app
+
+import (
+	"bytes"
+	"os"
+	"testing"
+
+	"hakurei.app/container"
+	"hakurei.app/container/check"
+	"hakurei.app/container/stub"
+	"hakurei.app/hst"
+	"hakurei.app/system"
+	"hakurei.app/system/acl"
+)
+
+func TestSpPulseOp(t *testing.T) {
+	t.Parallel()
+
+	config := hst.Template()
+	sampleCookie := bytes.Repeat([]byte{0xfc}, pulseCookieSizeMax)
+
+	checkOpBehaviour(t, []opBehaviourTestCase{
+		{"not enabled", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, func() *hst.Config {
+			c := hst.Template()
+			*c.Enablements = 0
+			return c
+		}, nil, nil, nil, nil, errNotEnabled, nil, nil, nil, nil, nil},
+
+		{"socketDir stat", func(isShim bool, _ bool) outcomeOp {
+			if !isShim {
+				return new(spPulseOp)
+			}
+			return &spPulseOp{Cookie: (*[256]byte)(sampleCookie)}
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), stub.UniqueError(2)),
+		}, nil, nil, &hst.AppError{
+			Step: `access PulseAudio directory "/proc/nonexistent/xdg_runtime_dir/pulse"`,
+			Err:  stub.UniqueError(2),
+		}, nil, nil, nil, nil, nil},
+
+		{"socketDir nonexistent", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), os.ErrNotExist),
+		}, nil, nil, &hst.AppError{
+			Step: "finalise",
+			Err:  os.ErrNotExist,
+			Msg:  `PulseAudio directory "/proc/nonexistent/xdg_runtime_dir/pulse" not found`,
+		}, nil, nil, nil, nil, nil},
+
+		{"socket stat", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, (*stubFi)(nil), stub.UniqueError(1)),
+		}, nil, nil, &hst.AppError{
+			Step: `access PulseAudio socket "/proc/nonexistent/xdg_runtime_dir/pulse/native"`,
+			Err:  stub.UniqueError(1),
+		}, nil, nil, nil, nil, nil},
+
+		{"socket nonexistent", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, (*stubFi)(nil), os.ErrNotExist),
+		}, nil, nil, &hst.AppError{
+			Step: "finalise",
+			Err:  os.ErrNotExist,
+			Msg:  `PulseAudio directory "/proc/nonexistent/xdg_runtime_dir/pulse" found but socket does not exist`,
+		}, nil, nil, nil, nil, nil},
+
+		{"socket mode", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, &stubFi{mode: 0660}, nil),
+		}, nil, nil, &hst.AppError{
+			Step: "finalise",
+			Err:  os.ErrInvalid,
+			Msg:  `unexpected permissions on "/proc/nonexistent/xdg_runtime_dir/pulse/native": -rw-rw----`,
+		}, nil, nil, nil, nil, nil},
+
+		{"cookie notAbs", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, &stubFi{mode: 0666}, nil),
+			call("lookupEnv", stub.ExpectArgs{"PULSE_COOKIE"}, "proc/nonexistent/cookie", nil),
+		}, nil, nil, &hst.AppError{
+			Step: "locate PulseAudio cookie",
+			Err:  &check.AbsoluteError{Pathname: "proc/nonexistent/cookie"},
+		}, nil, nil, nil, nil, nil},
+
+		{"cookie loadFile", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, &stubFi{mode: 0666}, nil),
+			call("lookupEnv", stub.ExpectArgs{"PULSE_COOKIE"}, "/proc/nonexistent/cookie", nil),
+			call("verbosef", stub.ExpectArgs{"loading up to %d bytes from %q", []any{1 << 8, "/proc/nonexistent/cookie"}}, nil, nil),
+			call("stat", stub.ExpectArgs{"/proc/nonexistent/cookie"}, &stubFi{isDir: false, size: 1 << 8}, nil),
+			call("open", stub.ExpectArgs{"/proc/nonexistent/cookie"}, (*stubOsFile)(nil), stub.UniqueError(0)),
+		}, nil, nil, &hst.AppError{
+			Step: "open PulseAudio cookie",
+			Err:  stub.UniqueError(0),
+		}, nil, nil, nil, nil, nil},
+
+		{"success cookie", func(isShim bool, _ bool) outcomeOp {
+			if !isShim {
+				return new(spPulseOp)
+			}
+			return &spPulseOp{Cookie: (*[256]byte)(sampleCookie)}
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, &stubFi{mode: 0666}, nil),
+			call("lookupEnv", stub.ExpectArgs{"PULSE_COOKIE"}, "/proc/nonexistent/cookie", nil),
+			call("verbosef", stub.ExpectArgs{"loading up to %d bytes from %q", []any{1 << 8, "/proc/nonexistent/cookie"}}, nil, nil),
+			call("stat", stub.ExpectArgs{"/proc/nonexistent/cookie"}, &stubFi{isDir: false, size: 1 << 8}, nil),
+			call("open", stub.ExpectArgs{"/proc/nonexistent/cookie"}, &stubOsFile{Reader: bytes.NewReader(sampleCookie)}, nil),
+		}, newI().
+			// state.ensureRuntimeDir
+			Ensure(m(wantRunDirPath), 0700).
+			UpdatePermType(system.User, m(wantRunDirPath), acl.Execute).
+			Ensure(m(wantRuntimePath), 0700).
+			UpdatePermType(system.User, m(wantRuntimePath), acl.Execute).
+			// state.runtime
+			Ephemeral(system.Process, m(wantRuntimeSharePath), 0700).
+			UpdatePerm(m(wantRuntimeSharePath), acl.Execute).
+			// toSystem
+			Link(m(wantRuntimePath+"/pulse/native"), m(wantRuntimeSharePath+"/pulse")), sysUsesRuntime(nil), nil, insertsOps(afterSpRuntimeOp(nil)), []stub.Call{
+			// this op configures the container state and does not make calls during toContainer
+		}, &container.Params{
+			Ops: new(container.Ops).
+				Bind(m(wantRuntimeSharePath+"/pulse"), m("/run/user/1000/pulse/native"), 0).
+				Place(m("/.hakurei/pulse-cookie"), sampleCookie),
+		}, paramsWantEnv(config, map[string]string{
+			"PULSE_SERVER": "unix:/run/user/1000/pulse/native",
+			"PULSE_COOKIE": "/.hakurei/pulse-cookie",
+		}, nil), nil},
+
+		{"success", func(bool, bool) outcomeOp {
+			return new(spPulseOp)
+		}, hst.Template, nil, []stub.Call{
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse"}, (*stubFi)(nil), nil),
+			call("stat", stub.ExpectArgs{wantRuntimePath + "/pulse/native"}, &stubFi{mode: 0666}, nil),
+			call("lookupEnv", stub.ExpectArgs{"PULSE_COOKIE"}, nil, nil),
+			call("lookupEnv", stub.ExpectArgs{"HOME"}, nil, nil),
+			call("lookupEnv", stub.ExpectArgs{"XDG_CONFIG_HOME"}, nil, nil),
+			call("verbose", stub.ExpectArgs{[]any{"cannot locate PulseAudio cookie (tried $PULSE_COOKIE, $XDG_CONFIG_HOME/pulse/cookie, $HOME/.pulse-cookie)"}}, nil, nil),
+		}, newI().
+			// state.ensureRuntimeDir
+			Ensure(m(wantRunDirPath), 0700).
+			UpdatePermType(system.User, m(wantRunDirPath), acl.Execute).
+			Ensure(m(wantRuntimePath), 0700).
+			UpdatePermType(system.User, m(wantRuntimePath), acl.Execute).
+			// state.runtime
+			Ephemeral(system.Process, m(wantRuntimeSharePath), 0700).
+			UpdatePerm(m(wantRuntimeSharePath), acl.Execute).
+			// toSystem
+			Link(m(wantRuntimePath+"/pulse/native"), m(wantRuntimeSharePath+"/pulse")), sysUsesRuntime(nil), nil, insertsOps(afterSpRuntimeOp(nil)), []stub.Call{
+			// this op configures the container state and does not make calls during toContainer
+		}, &container.Params{
+			Ops: new(container.Ops).
+				Bind(m(wantRuntimeSharePath+"/pulse"), m("/run/user/1000/pulse/native"), 0),
+		}, paramsWantEnv(config, map[string]string{
+			"PULSE_SERVER": "unix:/run/user/1000/pulse/native",
+		}, nil), nil},
+	})
+}