more schema, more tests

models/intermediate/xero/schema.yaml

@@ -44,6 +44,8 @@ models:
       across both is that credit note amounts get their sign reversed (* -1) so
       that aggregations happen naturally (credit amounts subtract from invoice
       amounts). The final granularity of the table is on the line item level.
+      Invoice and credit note records can be told apart through the 
+      document_class field.
 
       The word _document_ in the context of this table encompasses both invoices
       and credit notes.
@@ -53,6 +55,9 @@ models:
       document level data. Aggregating line fields can be done without worries. 
       Document level data can't be summed or averaged since it's duplicated per
       line item, so be careful with it.
+
+      Fields are not documented here: you can find more details in upstream 
+      models.
       
     columns:
       - name: id_line_item
@@ -68,7 +73,14 @@ models:
 
       - name: document_class
         data_type: text
-        description: ""
+        description: |
+          Indicates whether the record belongs in an invoice or a credit note.
+        tests:
+          - not_null
+          - accepted_values:
+              values:
+                - 'invoice'
+                - 'credit note'
 
       - name: item_code
         data_type: text
@@ -110,9 +122,14 @@ models:
         data_type: text
         description: ""
 
-      - name: invoice_currency_iso_4217
+      - name: document_currency_iso_4217
         data_type: character varying
         description: ""
+        tests:
+          - not_null
+          - length_between:
+              min_length: 3
+              max_length: 3
 
       - name: line_description
         data_type: text
@@ -121,6 +138,8 @@ models:
       - name: id_document
         data_type: character varying
         description: ""
+        tests:
+          - not_null
 
       - name: reference
         data_type: character varying
@@ -141,6 +160,14 @@ models:
       - name: document_type
         data_type: character varying
         description: ""
+        tests:
+          - not_null
+          - accepted_values:
+              values:
+                - "ACCREC"
+                - "ACCPAY"
+                - "ACCRECCREDIT"
+                - "ACCPAYCREDIT"
 
       - name: document_currency_iso_4217
         data_type: character varying
@@ -149,14 +176,33 @@ models:
       - name: exchange_rate_to_gbp
         data_type: numeric
         description: ""
+        tests:
+          - not_null
+          - not_negative
 
       - name: document_status
         data_type: character varying
         description: ""
+        tests:
+          - not_null
+          - accepted_values:
+              values:
+                - PAID
+                - VOIDED
+                - DRAFT
+                - DELETED
+                - AUTHORISED
+                - SUBMITTED
 
       - name: line_amount_tax_inclusiveness
         data_type: character varying
         description: ""
+        tests:
+          - accepted_values:
+              values:
+                - Inclusive
+                - Exclusive
+                - NoTax
 
       - name: header_total_amount_local_curr
         data_type: numeric