Extracted test DataGenerator

e-invoicing-domain/src/test/kotlin/net/codinux/invoicing/creation/EInvoiceCreatorTest.kt

@@ -1,12 +1,9 @@
 package net.codinux.invoicing.creation
 
 import assertk.assertThat
+import assertk.assertions.contains
 import assertk.assertions.isNotEmpty
-import net.codinux.invoicing.model.Invoice
-import net.codinux.invoicing.model.LineItem
-import net.codinux.invoicing.model.Party
-import java.math.BigDecimal
-import java.time.LocalDate
+import net.codinux.invoicing.test.DataGenerator
 import kotlin.test.Test
 
 class EInvoiceCreatorTest {
@@ -20,7 +17,7 @@ class EInvoiceCreatorTest {
 
         val result = underTest.createXRechnungXml(invoice)
 
-        assertThat(result).isNotEmpty()
+        assertInvoiceXml(result)
     }
 
     @Test
@@ -29,36 +26,17 @@ class EInvoiceCreatorTest {
 
         val result = underTest.createZugferdXml(invoice)
 
-        assertThat(result).isNotEmpty()
+        assertInvoiceXml(result)
     }
 
 
-    private fun createInvoice(
-        invoiceNumber: String = "12345",
-        invoicingDate: LocalDate = LocalDate.of(2015, 10, 21),
-        sender: Party = createParty("Hochwürdiger Leistungserbringer"),
-        recipient: Party = createParty("Untertänigster Leistungsempfänger"),
-        items: List<LineItem> = listOf(createItem()),
-        dueDate: LocalDate? = null
-    ) = Invoice(invoiceNumber, invoicingDate, sender, recipient, items, dueDate)
+    private fun createInvoice() = DataGenerator.createInvoice()
 
-    private fun createParty(
-        name: String,
-        streetName: String = "Fun Street 1",
-        postalCode: String = "12345",
-        city: String = "Glückstadt",
-        country: String? = null,
-        taxNumber: String? = "DE12345678",
-        email: String? = null,
-    ) = Party(name, streetName, postalCode, city, country, taxNumber, email)
+    private fun assertInvoiceXml(xml: String) {
+        assertThat(xml).isNotEmpty()
 
-    private fun createItem(
-        name: String = "Erbrachte Dienstleistungen",
-        unit: String = "",
-        quantity: BigDecimal = BigDecimal(1),
-        price: BigDecimal = BigDecimal(99),
-        vatPercentage: BigDecimal = BigDecimal(0.19),
-        description: String? = null,
-    ) = LineItem(name, unit, quantity, price, vatPercentage, description)
+        assertThat(xml).contains("<ram:ID>${DataGenerator.InvoiceNumber}</ram:ID>")
+        assertThat(xml).contains("""<udt:DateTimeString format="102">${DataGenerator.InvoicingDate.toString().replace("-", "")}</udt:DateTimeString>""")
+    }
 
 }

e-invoicing-domain/src/test/kotlin/net/codinux/invoicing/test/DataGenerator.kt

@@ -0,0 +1,66 @@
+package net.codinux.invoicing.test
+
+import net.codinux.invoicing.model.Invoice
+import net.codinux.invoicing.model.LineItem
+import net.codinux.invoicing.model.Party
+import java.math.BigDecimal
+import java.time.LocalDate
+
+object DataGenerator {
+
+    const val InvoiceNumber = "12345"
+    val InvoicingDate = LocalDate.of(2015, 10, 21)
+
+    const val SenderName = "Hochwürdiger Leistungserbringer"
+    const val SenderStreet = "Fun Street 1"
+    const val SenderPostalCode = "12345"
+    const val SenderCity = "Glückstadt"
+    val SenderCountry: String? = null
+    const val SenderVatId = "DE12345678"
+    const val SenderEmail = "working-class-hero@rock.me"
+
+    const val RecipientName = "Untertänigster Leistungsempfänger"
+    const val RecipientStreet = "Party Street 1"
+    const val RecipientPostalCode = SenderPostalCode
+    const val RecipientCity = SenderCity
+    val RecipientCountry: String? = SenderCountry
+    const val RecipientVatId = "DE87654321"
+    const val RecipientEmail = "exploiter@your.boss"
+
+    const val ItemName = "Erbrachte Dienstleistungen"
+    const val ItemUnit = "HUR" // EN code for 'hour'
+    val ItemQuantity = BigDecimal(1)
+    val ItemPrice = BigDecimal(99)
+    val ItemVat = BigDecimal(0.19)
+    val ItemDescription: String? = null
+
+
+    fun createInvoice(
+        invoiceNumber: String = InvoiceNumber,
+        invoicingDate: LocalDate = InvoicingDate,
+        sender: Party = createParty(SenderName, SenderStreet, SenderPostalCode, SenderCity, SenderCountry, SenderVatId, SenderEmail),
+        recipient: Party = createParty(RecipientName, RecipientStreet, RecipientPostalCode, RecipientCity, RecipientCountry, RecipientVatId, RecipientEmail),
+        items: List<LineItem> = listOf(createItem()),
+        dueDate: LocalDate? = null
+    ) = Invoice(invoiceNumber, invoicingDate, sender, recipient, items, dueDate)
+
+    fun createParty(
+        name: String,
+        streetName: String = SenderStreet,
+        postalCode: String = SenderPostalCode,
+        city: String = SenderCity,
+        country: String? = SenderCountry,
+        taxNumber: String? = SenderVatId,
+        email: String? = SenderEmail,
+    ) = Party(name, streetName, postalCode, city, country, taxNumber, email)
+
+    fun createItem(
+        name: String = ItemName,
+        unit: String = ItemUnit,
+        quantity: BigDecimal = ItemQuantity,
+        price: BigDecimal = ItemPrice,
+        vatPercentage: BigDecimal = ItemVat,
+        description: String? = ItemDescription,
+    ) = LineItem(name, unit, quantity, price, vatPercentage, description)
+
+}