Added unit tests for the new ViewModel

owncloudApp/src/test/java/com/owncloud/android/presentation/viewmodels/security/PatternViewModelTest.kt

@@ -0,0 +1,113 @@
+/**
+ * ownCloud Android client application
+ *
+ * @author Juan Carlos Garrote Gascón
+ *
+ * Copyright (C) 2021 ownCloud GmbH.
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.owncloud.android.presentation.viewmodels.security
+
+import com.owncloud.android.data.preferences.datasources.SharedPreferencesProvider
+import com.owncloud.android.presentation.ui.security.PatternActivity
+import com.owncloud.android.presentation.viewmodels.ViewModelTest
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+
+@ExperimentalCoroutinesApi
+class PatternViewModelTest : ViewModelTest() {
+    private lateinit var patternViewModel: PatternViewModel
+    private lateinit var preferencesProvider: SharedPreferencesProvider
+
+    private val pattern = "1234"
+
+    @Before
+    fun setUp() {
+        preferencesProvider = mockk(relaxUnitFun = true)
+        patternViewModel = PatternViewModel(preferencesProvider)
+    }
+
+    @Test
+    fun `set pattern - ok`() {
+        patternViewModel.setPattern(pattern)
+
+        verify(exactly = 1) {
+            preferencesProvider.putString(PatternActivity.PREFERENCE_PATTERN, pattern)
+            preferencesProvider.putBoolean(PatternActivity.PREFERENCE_SET_PATTERN, true)
+        }
+    }
+
+    @Test
+    fun `remove pattern - ok`() {
+        patternViewModel.removePattern()
+
+        verify(exactly = 1) {
+            preferencesProvider.removePreference(PatternActivity.PREFERENCE_PATTERN)
+            preferencesProvider.putBoolean(PatternActivity.PREFERENCE_SET_PATTERN, false)
+        }
+    }
+
+    @Test
+    fun `check pattern is valid - ok`() {
+        every { preferencesProvider.getString(any(), any()) } returns pattern
+
+        val patternValue = "1234"
+
+        val patternCheckResult = patternViewModel.checkPatternIsValid(patternValue)
+
+        assertTrue(patternCheckResult)
+
+        verify(exactly = 1) {
+            preferencesProvider.getString(PatternActivity.PREFERENCE_PATTERN, null)
+        }
+    }
+
+    @Test
+    fun `check pattern is valid - ko - saved pattern is null`() {
+        every { preferencesProvider.getString(any(), any()) } returns null
+
+        val patternValue = "1234"
+
+        val patternCheckResult = patternViewModel.checkPatternIsValid(patternValue)
+
+        assertFalse(patternCheckResult)
+
+        verify(exactly = 1) {
+            preferencesProvider.getString(PatternActivity.PREFERENCE_PATTERN, null)
+        }
+    }
+
+    @Test
+    fun `check pattern is valid - ko - different pattern`() {
+        every { preferencesProvider.getString(any(), any()) } returns pattern
+
+        val patternValue = "1235"
+
+        val patternCheckResult = patternViewModel.checkPatternIsValid(patternValue)
+
+        assertFalse(patternCheckResult)
+
+        verify(exactly = 1) {
+            preferencesProvider.getString(PatternActivity.PREFERENCE_PATTERN, null)
+        }
+    }
+
+}