package ui

import "testing"

// A real (trimmed) KeyguardServiceDelegate block from `dumpsys window`.
const keyguardLockedDump = `WINDOW MANAGER POLICY STATE (dumpsys window policy)
    mSafeMode=false mSystemReady=true
    mKeyguardOccluded=false mPendingKeyguardOccluded=false
    KeyguardServiceDelegate
      showing=true
      inputRestricted=true
      occluded=false
      trusted=false
      simSecure=false
      dreaming=false
      systemReady=true
      deviceHasKeyguard=true
      enabled=true
      userId=0
      bootCompleted=true
      screenState=SCREEN_STATE_ON
      interactiveState=INTERACTIVE_STATE_AWAKE
    Looper state:
      Looper (android.ui, tid 22) {4c5c23e}
`

const keyguardUnlockedDump = `WINDOW MANAGER POLICY STATE (dumpsys window policy)
    mKeyguardOccluded=false mPendingKeyguardOccluded=false
    KeyguardServiceDelegate
      showing=false
      inputRestricted=false
      occluded=false
      trusted=false
      simSecure=false
      dreaming=false
      systemReady=true
      deviceHasKeyguard=true
      enabled=true
      userId=0
      bootCompleted=true
      screenState=SCREEN_STATE_ON
      interactiveState=INTERACTIVE_STATE_AWAKE
    Looper state:
      Looper (android.ui, tid 22) {4c5c23e}
`

func TestKeyguardShowingParsesTheDelegateBlock(t *testing.T) {
	showing, err := keyguardShowing(keyguardLockedDump)
	if err != nil {
		t.Fatalf("keyguardShowing: %v", err)
	}
	if !showing {
		t.Fatal("want showing=true")
	}

	showing, err = keyguardShowing(keyguardUnlockedDump)
	if err != nil {
		t.Fatalf("keyguardShowing: %v", err)
	}
	if showing {
		t.Fatal("want showing=false")
	}
}

func TestKeyguardShowingRejectsAnUnparsableDump(t *testing.T) {
	// Acting on a phone whose lock state is unknown is not allowed.
	if _, err := keyguardShowing("dumpsys window: service not found\n"); err == nil {
		t.Fatal("expected an error when the delegate block is missing")
	}
}

func TestKeyguardShowingReadsIsKeyguardShowing(t *testing.T) {
	dump := "  KeyguardServiceDelegate\n      showing=false\n  mDisableSecureWindows=false\n  isKeyguardShowing=true\n"
	showing, err := keyguardShowing(dump)
	if err != nil {
		t.Fatalf("keyguardShowing: %v", err)
	}
	if !showing {
		t.Fatal("want showing=true from isKeyguardShowing")
	}
}