test(formatDataForRequest): improved test coverage

src/test/utils/formatDataForRequest.spec.ts

@@ -0,0 +1,56 @@
+import { formatDataForRequest } from '../../utils/formatDataForRequest'
+
+describe('formatDataForRequest', () => {
+  const testTable = 'sometable'
+
+  it('should', () => {
+    const testTableWithNullVars = {
+      [testTable]: [
+        { var1: 'string', var2: 232, nullvar: 'A' },
+        { var1: 'string', var2: 232, nullvar: 'B' },
+        { var1: 'string', var2: 232, nullvar: '_' },
+        { var1: 'string', var2: 232, nullvar: 0 },
+        { var1: 'string', var2: 232, nullvar: 'z' },
+        { var1: 'string', var2: 232, nullvar: null }
+      ],
+      [`$${testTable}`]: { formats: { var1: '$char12.', nullvar: 'best.' } }
+    }
+
+    const expectedOutput = {
+      sasjs1data: `var1:$char12. var2:best. nullvar:best.\r\nstring,232,.a\r\nstring,232,.b\r\nstring,232,._\r\nstring,232,0\r\nstring,232,.z\r\nstring,232,.`,
+      sasjs_tables: testTable
+    }
+
+    expect(formatDataForRequest(testTableWithNullVars)).toEqual(expectedOutput)
+  })
+
+  it('should return error if string is more than 32765 characters', () => {
+    const data = { testTable: [{ var1: 'z'.repeat(32765 + 1) }] }
+
+    expect(() => formatDataForRequest(data)).toThrow(
+      new Error(
+        'The max length of a string value in SASjs is 32765 characters.'
+      )
+    )
+  })
+
+  it('should return error if string is more than 32765 characters', () => {
+    const charsCount = 16 * 1000 + 1
+    const allChars = 'z'.repeat(charsCount)
+    const data = { [testTable]: [{ var1: allChars }] }
+    const firstChunk = `var1:$char${charsCount}.\r\n`
+    const firstChunkChars = 'z'.repeat(16000 - firstChunk.length)
+    const secondChunkChars = 'z'.repeat(
+      charsCount - (16000 - firstChunk.length)
+    )
+
+    const expectedOutput = {
+      sasjs1data0: 2,
+      sasjs1data1: `${firstChunk}${firstChunkChars}`,
+      sasjs1data2: secondChunkChars,
+      sasjs_tables: testTable
+    }
+
+    expect(formatDataForRequest(data)).toEqual(expectedOutput)
+  })
+})

src/utils/convertToCsv.spec.ts

@@ -168,31 +168,6 @@ describe('convertToCsv', () => {
     ).toEqual(`slashWithSpecialExtra:$char13.\r\n\"\\\ts\tl\ta\ts\t\th\t\"`)
   })
 
-  it('should convert not null values', () => {
-    const data = [
-      { var1: 'string', nullvar: 'A', var2: 232 },
-      { var1: 'string', nullvar: 'B', var2: 232 },
-      { var1: 'string', nullvar: '_', var2: 232 },
-      { var1: 'string', nullvar: 0, var2: 232 },
-      { var1: 'string', nullvar: 'z', var2: 232 },
-      { var1: 'string', nullvar: null, var2: 232 }
-    ]
-
-    const expectedOutput = `var1:$char6. nullvar:best. var2:best.\r\nstring,.a,232\r\nstring,.b,232\r\nstring,._,232\r\nstring,0,232\r\nstring,.z,232\r\nstring,.,232`
-
-    expect(
-      convertToCSV(data, {
-        formats: { var1: '$char6.', nullvar: 'best.' }
-      })
-    ).toEqual(expectedOutput)
-  })
-
-  it('should return error if string is more than maxFieldValue', () => {
-    const data = [{ var1: 'z'.repeat(32765 + 1) }]
-
-    expect(convertToCSV(data)).toEqual('ERROR: LARGE STRING LENGTH')
-  })
-
   it('should console log error if data has mixed types', () => {
     const colName = 'var1'
     const data = [{ [colName]: 'string' }, { [colName]: 232 }]