91 lines
4.4 KiB
Kotlin
91 lines
4.4 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.ext
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import mozilla.components.concept.storage.BookmarkNode
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import mozilla.components.concept.storage.BookmarkNodeType
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import org.junit.Assert.assertEquals
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import org.junit.Test
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class BookmarkNodeTest {
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private val bookmarkChild1 = newBookmarkNode("Child 1", 1, null)
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private val bookmarkChild2 = newBookmarkNode("Child 2", 2, null)
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private val bookmarkChild3 = newBookmarkNode("Child 3", 3, null)
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private val allChildren = listOf(bookmarkChild1, bookmarkChild2)
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private var uniqueId = 0
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@Test
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fun `GIVEN a bookmark node with children WHEN minusing a sub set of children THEN the children subset is removed and rest remains`() {
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val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
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val subsetToSubtract = setOf(bookmarkChild1)
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val expectedRemainingSubset = listOf(bookmarkChild2)
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val bookmarkNodeSubsetRemoved = bookmarkNode.minus(subsetToSubtract)
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assertEquals(expectedRemainingSubset, bookmarkNodeSubsetRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with children WHEN minusing a set of all children THEN all children are removed and empty list remains`() {
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val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
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val setofAllChildren = setOf(bookmarkChild1, bookmarkChild2)
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val bookmarkNodeAllChildrenRemoved = bookmarkNode.minus(setofAllChildren)
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assertEquals(emptyList<BookmarkNode>(), bookmarkNodeAllChildrenRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with children WHEN minusing a set of non-children THEN no children are removed`() {
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val setofNonChildren = setOf(bookmarkChild3)
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val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
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val bookmarkNodeNonChildrenRemoved = bookmarkNode.minus(setofNonChildren)
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assertEquals(allChildren, bookmarkNodeNonChildrenRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with children WHEN minusing an empty set THEN no children are removed`() {
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val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
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val bookmarkNodeEmptySetRemoved = bookmarkNode.minus(emptySet())
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assertEquals(allChildren, bookmarkNodeEmptySetRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with an empty list as children WHEN minusing a set of non-children from an empty parent THEN an empty list remains`() {
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val parentWithEmptyList = newBookmarkNode("Parent 1", 0, emptyList<BookmarkNode>())
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val setofAllChildren = setOf(bookmarkChild1, bookmarkChild2)
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val parentWithEmptyListNonChildRemoved = parentWithEmptyList.minus(setofAllChildren)
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assertEquals(emptyList<BookmarkNode>(), parentWithEmptyListNonChildRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with null as children WHEN minusing a set of non-children from a parent with null children THEN null remains`() {
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val parentWithNullList = newBookmarkNode("Parent 1", 0, null)
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val parentWithNullListNonChildRemoved = parentWithNullList.minus(allChildren.toSet())
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assertEquals(null, parentWithNullListNonChildRemoved.children)
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}
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@Test
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fun `GIVEN a bookmark node with children WHEN minusing a sub-set of children THEN the rest of the parents object should remain the same`() {
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val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
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val subsetToSubtract = setOf(bookmarkChild1)
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val expectedRemainingSubset = listOf(bookmarkChild2)
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val resultBookmarkNode = bookmarkNode.minus(subsetToSubtract)
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// We're pinning children to the same value so we can compare the rest.
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val restOfResult = resultBookmarkNode.copy(children = expectedRemainingSubset)
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val restofOriginal = bookmarkNode.copy(children = expectedRemainingSubset)
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assertEquals(restOfResult, restofOriginal)
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}
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private fun newBookmarkNode(title: String, position: Int, children: List<BookmarkNode>?) = BookmarkNode(
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type = BookmarkNodeType.ITEM,
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guid = uniqueId++.toString(),
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parentGuid = "12",
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position = position,
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title = title,
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url = "www.mockurl.com",
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children = children
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)
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}
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