Add delete functions

src/integration-test/kotlin/common/Delete.kt

@@ -0,0 +1,66 @@
+package solutions.bitbadger.documents.common
+
+import solutions.bitbadger.documents.*
+import kotlin.test.assertEquals
+
+/**
+ * Integration tests for the `Delete` object
+ */
+object Delete {
+
+    fun byIdMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteById(TEST_TABLE, "four")
+        assertEquals(4, db.conn.countAll(TEST_TABLE), "There should now be 4 documents in the table")
+    }
+
+    fun byIdNoMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteById(TEST_TABLE, "negative four")
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should still be 5 documents in the table")
+    }
+
+    fun byFieldsMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByFields(TEST_TABLE, listOf(Field.notEqual("value", "purple")))
+        assertEquals(2, db.conn.countAll(TEST_TABLE), "There should now be 2 documents in the table")
+    }
+
+    fun byFieldsNoMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByFields(TEST_TABLE, listOf(Field.equal("value", "crimson")))
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should still be 5 documents in the table")
+    }
+
+    fun byContainsMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByContains(TEST_TABLE, mapOf("value" to "purple"))
+        assertEquals(3, db.conn.countAll(TEST_TABLE), "There should now be 3 documents in the table")
+    }
+
+    fun byContainsNoMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByContains(TEST_TABLE, mapOf("target" to "acquired"))
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should still be 5 documents in the table")
+    }
+
+    fun byJsonPathMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByJsonPath(TEST_TABLE, "$.value ? (@ == \"purple\")")
+        assertEquals(3, db.conn.countAll(TEST_TABLE), "There should now be 3 documents in the table")
+    }
+
+    fun byJsonPathNoMatch(db: ThrowawayDatabase) {
+        JsonDocument.load(db)
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should be 5 documents in the table")
+        db.conn.deleteByJsonPath(TEST_TABLE, "$.numValue ? (@ > 100)")
+        assertEquals(5, db.conn.countAll(TEST_TABLE), "There should still be 5 documents in the table")
+    }
+}

src/integration-test/kotlin/postgresql/DeleteIT.kt

@@ -0,0 +1,49 @@
+package solutions.bitbadger.documents.postgresql
+
+import org.junit.jupiter.api.DisplayName
+import solutions.bitbadger.documents.common.Delete
+import kotlin.test.Test
+
+@DisplayName("PostgreSQL - Delete")
+class DeleteIT {
+
+    @Test
+    @DisplayName("byId deletes a matching ID")
+    fun byIdMatch() =
+        PgDB().use(Delete::byIdMatch)
+
+    @Test
+    @DisplayName("byId succeeds when no ID matches")
+    fun byIdNoMatch() =
+        PgDB().use(Delete::byIdNoMatch)
+
+    @Test
+    @DisplayName("byFields deletes matching documents")
+    fun byFieldsMatch() =
+        PgDB().use(Delete::byFieldsMatch)
+
+    @Test
+    @DisplayName("byFields succeeds when no documents match")
+    fun byFieldsNoMatch() =
+        PgDB().use(Delete::byFieldsNoMatch)
+
+    @Test
+    @DisplayName("byContains deletes matching documents")
+    fun byContainsMatch() =
+        PgDB().use(Delete::byContainsMatch)
+
+    @Test
+    @DisplayName("byContains succeeds when no documents match")
+    fun byContainsNoMatch() =
+        PgDB().use(Delete::byContainsNoMatch)
+
+    @Test
+    @DisplayName("byJsonPath deletes matching documents")
+    fun byJsonPathMatch() =
+        PgDB().use(Delete::byJsonPathMatch)
+
+    @Test
+    @DisplayName("byJsonPath succeeds when no documents match")
+    fun byJsonPathNoMatch() =
+        PgDB().use(Delete::byJsonPathNoMatch)
+}

src/integration-test/kotlin/sqlite/DeleteIT.kt

@@ -0,0 +1,43 @@
+package solutions.bitbadger.documents.sqlite
+
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.assertThrows
+import solutions.bitbadger.documents.DocumentException
+import solutions.bitbadger.documents.common.Delete
+import kotlin.test.Test
+
+@DisplayName("SQLite - Delete")
+class DeleteIT {
+
+    @Test
+    @DisplayName("byId deletes a matching ID")
+    fun byIdMatch() =
+        SQLiteDB().use(Delete::byIdMatch)
+
+    @Test
+    @DisplayName("byId succeeds when no ID matches")
+    fun byIdNoMatch() =
+        SQLiteDB().use(Delete::byIdNoMatch)
+
+    @Test
+    @DisplayName("byFields deletes matching documents")
+    fun byFieldsMatch() =
+        SQLiteDB().use(Delete::byFieldsMatch)
+
+    @Test
+    @DisplayName("byFields succeeds when no documents match")
+    fun byFieldsNoMatch() =
+        SQLiteDB().use(Delete::byFieldsNoMatch)
+
+    @Test
+    @DisplayName("byContains fails")
+    fun byContainsMatch() {
+        assertThrows<DocumentException> { SQLiteDB().use(Delete::byContainsMatch) }
+    }
+
+    @Test
+    @DisplayName("byJsonPath fails")
+    fun byJsonPathMatch() {
+        assertThrows<DocumentException> { SQLiteDB().use(Delete::byJsonPathMatch) }
+    }
+}