chore: move utc ts tests to compliance

db-service/lib/cql-functions.js

@@ -271,6 +271,11 @@ const HANAFunctions = {
   // https://help.sap.com/docs/SAP_HANA_PLATFORM/4fe29514fd584807ac9f2a04f6754767/f12b86a6284c4aeeb449e57eb5dd3ebd.html
 
   // Time functions
+  /**
+   * Generates SQL statement that calculates the difference in 100nanoseconds between two timestamps
+   * @returns {string}
+   */
+  current_utctimestamp: StandardFunctions.current_timestamp,
   /**
    * Generates SQL statement that calculates the difference in 100nanoseconds between two timestamps
    * @param {string} x left timestamp

hana/lib/cql-functions.js

@@ -45,6 +45,7 @@ const StandardFunctions = {
   current_date: () => 'current_utcdate',
   current_time: () => 'current_utctime',
   current_timestamp: () => 'current_utctimestamp',
+  current_utctimestamp: x => x ? `current_utctimestamp(${x})` : 'current_utctimestamp',
   fractionalseconds: x => `(TO_DECIMAL(SECOND(${x}),5,3) - TO_INTEGER(SECOND(${x})))`,
 }
 

hana/test/hana-functions.test.js

@@ -0,0 +1,49 @@
+const cds = require('../../test/cds')
+
+// HXE does not allow args
+describe.skip('HANA native functions', () => {
+  const { expect } = cds.test(__dirname, 'fuzzy.cds')
+
+  describe('current_timestamp', () => {
+    test('no arguments', async () => {
+      const cqn = { SELECT: {
+        one: true,
+        from: {ref: ['DUMMY']}, 
+        columns: [{func: 'current_utctimestamp', as: 'NO'}]
+      }}
+
+      const res = await cds.run(cqn)
+
+      expect(res.NO.match(/\.(\d\d\d)0000/)).not.to.be.null // default 3
+    })
+
+    test('0 skips ms precision', async () => {
+      const cqn = { SELECT: {
+        one: true,
+        from: {ref: ['DUMMY']}, 
+        columns: [
+          {func: 'current_utctimestamp', as: 'NO'},
+          {func: 'current_utctimestamp', args: [{val: 0}], as: 'P0'}]
+      }}
+
+      const res = await cds.run(cqn)
+
+      expect(res.P0.match(/\.0000000/)).not.to.be.null
+    })
+
+    test('arbitrary values', async () => {
+      const cqn = { SELECT: {
+        one: true,
+        from: {ref: ['DUMMY']}, 
+        columns: [
+          {func: 'current_utctimestamp', args: [{val: 3}], as: 'P3'},
+          {func: 'current_utctimestamp', args: [{val: 7}], as: 'P7'}] 
+      }}
+
+      const res = await cds.run(cqn)
+
+      expect(res.P3.match(/\.(\d\d\d)0000/)).not.to.be.null
+      expect(res.P7.match(/\.(\d\d\d\d\d\d\d)/)).not.to.be.null
+    })
+  })
+})

test/compliance/functions.test.js

@@ -342,8 +342,26 @@ describe('functions', () => {
     })
   })
   describe('CURRENT_UTCTIMESTAMP', () => {
-    test.skip('missing', () => {
-      throw new Error('not supported')
+    test('no arguments', async () => {
+      const cqn = { SELECT: {
+        one: true,
+        from: {ref: ['basic.literals.string']}, 
+        columns: [{func: 'current_utctimestamp', as: 'NO'}]
+      }}
+
+      const res = await cds.run(cqn)
+
+      const SQLiteService = require('../../sqlite')
+      const PgService = require('../../postgres')
+
+      if (cds.db instanceof SQLiteService) {
+        expect(res.NO.match(/\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d/)).to.exist
+      } else if (cds.db instanceof PgService) {
+        expect(res.NO.match(/\.(\d\d\d\d\d\d)\+00:00/)).not.to.be.null // precision 6
+      } else { //HANA
+        expect(res.NO.match(/\.(\d\d\d)0000/)).not.to.be.null // default precision 3
+      }
+
     })
   })
   describe('DAYNAME', () => {