feat: mv_castabsave macro and tests

2026-06-08 20:10:20 +00:00 · 2026-04-28 17:36:12 +01:00
parent 8a22280627
commit 7ef58a0f54
3 changed files with 352 additions and 1 deletions
@@ -0,0 +1,158 @@
+/**
+  @file
+  @brief Testing mv_castabsave macro
+
+  <h4> SAS Macros </h4>
+  @li mf_uid.sas
+  @li mp_assert.sas
+  @li mp_assertscope.sas
+  @li mv_castabsave.sas
+
+**/
+
+options mprint;
+
+/* -------------------------------------------------------------------- */
+/* Setup: start a CAS session and load a table that has a tracked       */
+/*        source file so mv_castabsave can discover it via the REST API */
+/* -------------------------------------------------------------------- */
+cas mysess;
+caslib _all_ assign;
+
+%let testcaslib=Public;
+
+proc cas;
+  table.caslibInfo result=r / ;
+  found=0;
+  do row over r.CASLibInfo;
+    if upcase(row.Name)=upcase("&testcaslib") then found=1;
+  end;
+  if found=0 then do;
+    print "ERROR: caslib &testcaslib not available";
+    exit;
+  end;
+quit;
+%put NOTE: Using testcaslib=&testcaslib;
+
+%let tab1=T%mf_uid();
+
+/* Load sashelp.class into CAS, save as sashdat, reload from that file
+    so the table has a tracked source path (needed for REST discovery) */
+proc casutil;
+  load data=sashelp.class
+    outcaslib="&testcaslib" casout="&tab1" replace;
+  save casdata="&tab1" incaslib="&testcaslib"
+    casout="&tab1..sashdat" outcaslib="&testcaslib" replace;
+  /* Drop any existing global-scope version before promoting */
+  /* runs twice (with quiet) as first would drop local scope if exists */
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+
+  load casdata="&tab1..sashdat" incaslib="&testcaslib"
+    casout="&tab1" outcaslib="&testcaslib" promote;
+quit;
+
+libname mylib cas caslib="&testcaslib";
+
+
+/* -------------------------------------------------------------------- */
+%put TEST 1 - save in-memory table back to disk + no scope leakage;
+/* -------------------------------------------------------------------- */
+
+/* Source file is removed so that the reload proves mv_castabsave
+    created the file from scratch, not that a prior version existed   */
+proc casutil;
+  deletesource casdata="&tab1..sashdat"
+    incaslib="&testcaslib" quiet;
+quit;
+
+/* Insert a sentinel row - it must survive the full save/drop/reload   */
+data work.appendme;
+  set mylib.&tab1;
+  name='TESTROW';
+  output;
+  stop;
+proc casutil;
+  load data=work.appendme casout="&tab1" outcaslib="&testcaslib" append;
+quit;
+
+%mp_assertscope(SNAPSHOT)
+
+%mv_castabsave(lib=mylib, table=&tab1, mdebug=1)
+
+%mp_assertscope(COMPARE,
+  desc=Check mv_castabsave does not leak macro variables into GLOBAL scope,
+  ignorelist=MC0_JADP1LEN MC0_JADP2LEN MC0_JADP3LEN MC0_JADPNUM MC0_JADVLEN
+)
+
+proc casutil;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  load casdata="&tab1..sashdat" incaslib="&testcaslib"
+    casout="&tab1" outcaslib="&testcaslib" promote;
+quit;
+
+%let _rowcount=0;
+proc sql noprint;
+  select count(*) into :_rowcount
+  from mylib.&tab1
+  where name='TESTROW';
+quit;
+
+%mp_assert(
+  iftrue=(&_rowcount=1),
+  desc=Check inserted row survives mv_castabsave round-trip to disk
+)
+
+
+/* -------------------------------------------------------------------- */
+%put TEST 2 - save overwrites an existing source file;
+/* -------------------------------------------------------------------- */
+
+/* Source file already exists from the TEST 1 save - append a new row  */
+data work.appendme;
+  set mylib.&tab1;
+  name='TESTROW2';
+  output;
+  stop;
+proc casutil;
+  load data=work.appendme casout="&tab1"
+    outcaslib="&testcaslib" append;
+quit;
+
+%mv_castabsave(lib=mylib, table=&tab1, mdebug=1)
+
+proc casutil;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  load casdata="&tab1..sashdat" incaslib="&testcaslib"
+    casout="&tab1" outcaslib="&testcaslib" promote;
+quit;
+
+%let _rowcount=0;
+proc sql noprint;
+  select count(*) into :_rowcount
+  from mylib.&tab1
+  where name='TESTROW2';
+quit;
+
+%mp_assert(
+  iftrue=(&_rowcount=1),
+  desc=Check inserted row survives save over an existing source file
+)
+
+
+/* -------------------------------------------------------------------- */
+/* Teardown                                                              */
+/* -------------------------------------------------------------------- */
+libname mylib clear;
+
+proc casutil;
+  droptable casdata="&tab1" incaslib="&testcaslib" quiet;
+  deletesource casdata="&tab1..sashdat"
+    incaslib="&testcaslib" quiet;
+quit;
+
+cas mysess terminate;
+
+%let syscc=0;