Added some dbServer unit tests

src/ioc/db/dbServer.h

@@ -16,6 +16,10 @@
  * the dbServer interface provides allow the IOC to start, pause and stop
  * the servers together, and to provide status and debugging information
  * to the IOC user/developer through a common set of commands.
+ *
+ * @todo Should dbRegisterServer() return an error status value?
+ * No API is provided yet for calling stats() methods.
+ * Nothing in the IOC calls dbStopServers(), not sure where it should go.
  */
 
 #ifndef INC_dbServer_H

src/ioc/db/test/Makefile

@@ -4,7 +4,7 @@
 # Copyright (c) 2002 The Regents of the University of California, as
 #     Operator of Los Alamos National Laboratory.
 # EPICS BASE is distributed subject to a Software License Agreement found
-# in the file LICENSE that is included with this distribution. 
+# in the file LICENSE that is included with this distribution.
 #*************************************************************************
 TOP=../../../..
 
@@ -94,6 +94,11 @@ dbStateTest_SRCS += dbStateTest.c
 testHarness_SRCS += dbStateTest.c
 TESTS += dbStateTest
 
+TESTPROD_HOST += dbServerTest
+dbServerTest_SRCS += dbServerTest.c
+testHarness_SRCS += dbServerTest.c
+TESTS += dbServerTest
+
 TESTPROD_HOST += dbCaStatsTest
 dbCaStatsTest_SRCS += dbCaStatsTest.c
 dbCaStatsTest_SRCS += dbTestIoc_registerRecordDeviceDriver.cpp
@@ -192,4 +197,3 @@ dbStressLock$(DEP): $(COMMON_DIR)/xRecord.h
 devx$(DEP): $(COMMON_DIR)/xRecord.h
 scanIoTest$(DEP): $(COMMON_DIR)/xRecord.h
 xRecord$(DEP): $(COMMON_DIR)/xRecord.h
-

src/ioc/db/test/dbServerTest.c

@@ -0,0 +1,131 @@
+/*************************************************************************\
+* Copyright (c) 2017 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+ \*************************************************************************/
+
+/*
+ *  Author: Andrew Johnson <anj@aps.anl.gov>
+ */
+
+#include <string.h>
+
+#include "dbServer.h"
+
+#include <epicsUnitTest.h>
+#include <testMain.h>
+
+enum {
+    NOTHING_CALLED,
+    REPORT_CALLED,
+    CLIENT_CALLED_UNKNOWN,
+    CLIENT_CALLED_KNOWN,
+    STATS_CALLED,
+    INIT_CALLED,
+    RUN_CALLED,
+    PAUSE_CALLED,
+    STOP_CALLED
+} oneState;
+
+char *oneSim;
+
+void oneReport(unsigned level)
+{
+    oneState = REPORT_CALLED;
+}
+
+void oneStats(unsigned *channels, unsigned *clients)
+{
+    oneState = STATS_CALLED;
+}
+
+int oneClient(char *pbuf, size_t len)
+{
+    if (oneSim) {
+        strncpy(pbuf, oneSim, len);
+        oneState = CLIENT_CALLED_KNOWN;
+        oneSim = NULL;
+        return 0;
+    }
+    oneState = CLIENT_CALLED_UNKNOWN;
+    return -1;
+}
+
+void oneInit(void)
+{
+    oneState = INIT_CALLED;
+}
+
+void oneRun(void)
+{
+    oneState = RUN_CALLED;
+}
+
+void onePause(void)
+{
+    oneState = PAUSE_CALLED;
+}
+
+void oneStop(void)
+{
+    oneState = STOP_CALLED;
+}
+
+dbServer one = {
+    ELLNODE_INIT,
+    "one",
+    oneReport, oneStats, oneClient,
+    oneInit, oneRun, onePause, oneStop
+};
+
+dbServer no_routines = {
+    ELLNODE_INIT,
+    "no-routines",
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
+
+MAIN(dbServerTest)
+{
+    char name[16];
+    char *theName = "The One";
+    int status;
+
+    testPlan(0);
+
+    testDiag("Registering dbServer 'one'");
+    dbRegisterServer(&one);
+    testOk1(oneState == NOTHING_CALLED);
+
+    testDiag("Registering dbServer 'no-routines'");
+    dbRegisterServer(&no_routines);
+
+    dbInitServers();
+    testOk(oneState == INIT_CALLED, "dbInitServers");
+
+    dbRunServers();
+    testOk(oneState == RUN_CALLED, "dbRunServers");
+
+    dbPauseServers();
+    testOk(oneState == PAUSE_CALLED, "dbPauseServers");
+
+    dbStopServers();
+    testOk(oneState == STOP_CALLED, "dbStopServers");
+
+    dbsr(0);
+    testOk(oneState == REPORT_CALLED, "dbsr");
+
+    oneSim = NULL;
+    name[0] = 0;
+    status = dbServerClient(name, sizeof(name));
+    testOk(status == -1 && name[0] == 0,
+        "dbServerClient mismatch");
+
+    oneSim = theName;
+    name[0] = 0;
+    status = dbServerClient(name, sizeof(name));
+    testOk(status == 0 && strcmp(name, theName) == 0,
+        "dbServerClient match");
+
+    return testDone();
+}

src/ioc/db/test/epicsRunDbTests.c

@@ -20,6 +20,7 @@ int testdbConvert(void);
 int callbackTest(void);
 int callbackParallelTest(void);
 int dbStateTest(void);
+int dbServerTest(void);
 int dbCaStatsTest(void);
 int dbShutdownTest(void);
 int dbScanTest(void);
@@ -41,6 +42,7 @@ void epicsRunDbTests(void)
     runTest(callbackTest);
     runTest(callbackParallelTest);
     runTest(dbStateTest);
+    runTest(dbServerTest);
     runTest(dbCaStatsTest);
     runTest(dbShutdownTest);
     runTest(dbScanTest);