feat(sasjs-request-client): improved parseResponse method

src/job-execution/FileUploader.ts

@@ -1,8 +1,7 @@
 import {
   getValidJson,
   parseSasViyaDebugResponse,
-  parseWeboutResponse,
-  SASJS_LOGS_SEPARATOR
+  parseWeboutResponse
 } from '../utils'
 import { UploadFile } from '../types/UploadFile'
 import {

src/request/SasjsRequestClient.ts

@@ -1,8 +1,7 @@
 import { RequestClient } from './RequestClient'
 import { AxiosResponse } from 'axios'
-import { SASJS_LOGS_SEPARATOR } from '../utils'
 
-interface SasjsParsedResponse<T> {
+export interface SasjsParsedResponse<T> {
   result: T
   log: string
   etag: string
@@ -45,13 +44,30 @@ export class SasjsRequestClient extends RequestClient {
       }
     } catch {
       if (response.data.includes(SASJS_LOGS_SEPARATOR)) {
-        const splittedResponse = response.data.split(SASJS_LOGS_SEPARATOR)
+        const { data } = response
+        const splittedResponse: string[] = data.split(SASJS_LOGS_SEPARATOR)
 
-        webout = splittedResponse[0]
+        webout = splittedResponse.splice(0, 1)[0]
         if (webout !== undefined) parsedResponse = webout
 
-        log = splittedResponse[1]
-        printOutput = splittedResponse[2]
+        // log can contain nested logs
+        const logs = splittedResponse.splice(0, splittedResponse.length - 1)
+
+        // tests if string ends with SASJS_LOGS_SEPARATOR
+        const endingWithLogSepRegExp = new RegExp(`${SASJS_LOGS_SEPARATOR}$`)
+
+        // at this point splittedResponse can contain only one item
+        const lastChunk = splittedResponse[0]
+
+        if (lastChunk) {
+          // if the last chunk doesn't end with SASJS_LOGS_SEPARATOR, then it is a printOutput
+          // else the last chunk is part of the log and has to be joined
+          if (!endingWithLogSepRegExp.test(data)) printOutput = lastChunk
+          else if (logs.length > 1) logs.push(lastChunk)
+        }
+
+        // join logs into single log with SASJS_LOGS_SEPARATOR
+        log = logs.join(SASJS_LOGS_SEPARATOR)
       } else {
         parsedResponse = response.data
       }
@@ -59,7 +75,7 @@ export class SasjsRequestClient extends RequestClient {
 
     const returnResult: SasjsParsedResponse<T> = {
       result: parsedResponse as T,
-      log,
+      log: log || '',
       etag,
       status: response.status
     }
@@ -69,3 +85,6 @@ export class SasjsRequestClient extends RequestClient {
     return returnResult
   }
 }
+
+export const SASJS_LOGS_SEPARATOR =
+  'SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784'

src/request/spec/SasjsRequestClient.spec.ts

@@ -0,0 +1,264 @@
+import {
+  SASJS_LOGS_SEPARATOR,
+  SasjsRequestClient,
+  SasjsParsedResponse
+} from '../SasjsRequestClient'
+import { AxiosResponse } from 'axios'
+
+describe('SasjsRequestClient', () => {
+  const requestClient = new SasjsRequestClient('')
+  const etag = 'etag'
+  const status = 200
+
+  const webout = `hello`
+  const log = `1                                                          The SAS System                             Tuesday, 25 July 2023 12:51:00
+
+NOTE: Copyright (c) 2016 by SAS Institute Inc., Cary, NC, USA. 
+NOTE: SAS (r) Proprietary Software 9.4 (TS1M7 MBCS3170) 
+    Licensed to ANALYTIUM LTD- PARTNER LICENCE, Site 70221618.
+NOTE: This session is executing on the Linux 3.10.0-1160.76.1.el7.x86_64 (LIN X64) platform.
+
+
+
+NOTE: Analytical products:
+    
+    SAS/STAT 15.2
+    SAS/ETS 15.2
+    SAS/IML 15.2
+
+NOTE: Additional host information:
+
+Linux LIN X64 3.10.0-1160.76.1.el7.x86_64 #1 SMP Wed Aug 10 16:21:17 UTC 2022 x86_64 CentOS Linux release 7.9.2009 (Core) 
+
+
+PROC MIGRATE will preserve current SAS file attributes and is 
+recommended for converting all your SAS libraries from any 
+SAS 8 release to SAS 9.  For details and examples, please see
+http://support.sas.com/rnd/migration/index.html
+
+
+
+NOTE: SAS initialization used:
+    real time           0.01 seconds
+    cpu time            0.02 seconds
+    
+
+NOTE: AUTOEXEC processing beginning; file is /home/sasjssrv/sasjs_root/sessions/20230725105113-96709-1690282273263/autoexec.sas.
+
+
+NOTE: DATA statement used (Total process time):
+    real time           9.34 seconds
+    cpu time            0.12 seconds
+    
+
+
+NOTE: AUTOEXEC processing completed.
+
+1          
+2          options insert=(SASAUTOS="/home/sasjssrv/sasjs_root/drive/sas/sasautos");
+3          
+4          /* runtime vars */
+5          %let _debug=131;
+6          
+7          filename _webout "/home/sasjssrv/sasjs_root/sessions/20230725105113-96709-1690282273263/webout.txt" mod;
+8          
+9          /* dynamic user-provided vars */
+10         
+11         %let _sasjs_tokenfile=/home/sasjssrv/sasjs_root/sessions/20230725105113-96709-1690282273263/reqHeaders.txt;
+12         %let _sasjs_username=secretuser;
+13         %let _sasjs_userid=1;
+14         %let _sasjs_displayname=Super Admin;
+15         %let _sasjs_apiserverurl=https://sas9.4gl.io;
+16         %let _sasjs_apipath=/SASjsApi/stp/execute;
+17         %let _sasjs_webout_headers=/home/sasjssrv/sasjs_root/sessions/20230725105113-96709-1690282273263/stpsrv_header.txt;
+18         %let _metaperson=&_sasjs_displayname;
+19         %let _metauser=&_sasjs_username;
+20         
+21         /* the below is here for compatibility and will be removed in a future release */
+22         %let sasjs_stpsrv_header_loc=&_sasjs_webout_headers;
+23         
+24         %let sasjsprocessmode=Stored Program;
+25         
+26         %global SYSPROCESSMODE SYSTCPIPHOSTNAME SYSHOSTINFOLONG;
+27         %macro _sasjs_server_init();
+28         %if "&SYSPROCESSMODE"="" %then %let SYSPROCESSMODE=&sasjsprocessmode;
+29         %if "&SYSTCPIPHOSTNAME"="" %then %let SYSTCPIPHOSTNAME=&_sasjs_apiserverurl;
+30         %mend;
+31         %_sasjs_server_init()
+32         
+33         
+34         
+35         /* user autoexec starts */
+36         
+37         /* user autoexec ends */
+38         
+39         /* actual job code */
+40         data _null_;
+41           file _webout;
+42           put 'hello';
+43         run;
+
+NOTE: The file _WEBOUT is:
+    Filename=/home/sasjssrv/sasjs_root/sessions/20230725105113-96709-1690282273263/webout.txt,
+    Owner Name=sasjssrv,Group Name=sasjssrv,
+    Access Permission=-rw-rw-r--,
+    Last Modified=25 July 2023 12:51:22,
+    File Size (bytes)=0
+
+NOTE: 1 record was written to the file _WEBOUT.
+    The minimum record length was 5.
+    The maximum record length was 5.
+NOTE: DATA statement used (Total process time):
+    real time           0.00 seconds
+    cpu time            0.00 seconds
+    
+
+NOTE: SAS Institute Inc., SAS Campus Drive, Cary, NC USA 27513-2414
+NOTE: The SAS System used:
+    real time           9.36 seconds
+    cpu time            0.14 seconds
+    
+`
+  const printOutput = 'printOutPut'
+
+  describe('parseResponse', () => {})
+
+  it('should parse response with 1 log', () => {
+    const response: AxiosResponse<any> = {
+      data: `${webout}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${log}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784`,
+      status,
+      statusText: 'ok',
+      headers: { etag },
+      config: {}
+    }
+
+    const expectedParsedResponse: SasjsParsedResponse<string> = {
+      result: `${webout}
+`,
+      log: `
+${log}
+`,
+      etag,
+      status
+    }
+
+    expect(requestClient['parseResponse'](response)).toEqual(
+      expectedParsedResponse
+    )
+  })
+
+  it('should parse response with 1 log and printOutput', () => {
+    const response: AxiosResponse<any> = {
+      data: `${webout}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${log}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${printOutput}`,
+      status,
+      statusText: 'ok',
+      headers: { etag },
+      config: {}
+    }
+
+    const expectedParsedResponse: SasjsParsedResponse<string> = {
+      result: `${webout}
+`,
+      log: `
+${log}
+`,
+      etag,
+      status,
+      printOutput: `
+${printOutput}`
+    }
+
+    expect(requestClient['parseResponse'](response)).toEqual(
+      expectedParsedResponse
+    )
+  })
+
+  it('should parse response with nested logs', () => {
+    const logWithNestedLog = `root log start
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${log}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+root log end`
+
+    const response: AxiosResponse<any> = {
+      data: `${webout}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${logWithNestedLog}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784`,
+      status,
+      statusText: 'ok',
+      headers: { etag },
+      config: {}
+    }
+
+    const expectedParsedResponse: SasjsParsedResponse<string> = {
+      result: `${webout}
+`,
+      log: `
+${logWithNestedLog}
+`,
+      etag,
+      status
+    }
+
+    expect(requestClient['parseResponse'](response)).toEqual(
+      expectedParsedResponse
+    )
+  })
+
+  it('should parse response with nested logs and printOutput', () => {
+    const logWithNestedLog = `root log start
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${log}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+log with indentation
+  SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+  ${log}
+  SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+some SAS code containing SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+root log end`
+
+    const response: AxiosResponse<any> = {
+      data: `${webout}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${logWithNestedLog}
+SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784
+${printOutput}`,
+      status,
+      statusText: 'ok',
+      headers: { etag },
+      config: {}
+    }
+
+    const expectedParsedResponse: SasjsParsedResponse<string> = {
+      result: `${webout}
+`,
+      log: `
+${logWithNestedLog}
+`,
+      etag,
+      status,
+      printOutput: `
+${printOutput}`
+    }
+
+    expect(requestClient['parseResponse'](response)).toEqual(
+      expectedParsedResponse
+    )
+  })
+})
+
+describe('SASJS_LOGS_SEPARATOR', () => {
+  it('SASJS_LOGS_SEPARATOR should be hardcoded', () => {
+    expect(SASJS_LOGS_SEPARATOR).toEqual(
+      'SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784'
+    )
+  })
+})

src/utils/constants.ts

@@ -1,2 +0,0 @@
-export const SASJS_LOGS_SEPARATOR =
-  'SASJS_LOGS_SEPARATOR_163ee17b6ff24f028928972d80a26784'

src/utils/index.ts

@@ -2,7 +2,6 @@ export * from './appendExtraResponseAttributes'
 export * from './asyncForEach'
 export * from './compareTimestamps'
 export * from './convertToCsv'
-export * from './constants'
 export * from './createAxiosInstance'
 export * from './delay'
 export * from './fetchLogByChunks'