fix HUGE bug with datatype "string"

- I forgot to support values of type string in the input api... this is now fixed

Author: derlin

other/mysql/test-data.sql

@@ -51,7 +51,7 @@ INSERT INTO `objects` (`id`, `name`, `description`, `ugrp_id`, `unit_symbol`, `c
     (2, 'volts box 2', NULL, 2, 'V', '2019-01-01'),
     (3, 'tmp box 1', NULL, 2, 'h', '2019-01-01'),
     (4, 'tmp box 2', NULL, 2, 'Here', DEFAULT),
-    (5, 'caching', NULL, 2, 'V', DEFAULT),
+    (5, 'some free text', NULL, 2, 'char', DEFAULT),
     -- one object owned by the "other" usergroup
     (6, 'owned by other', NULL, 3, 'V', DEFAULT),
     -- objects that have values in cassandra
@@ -92,6 +92,7 @@ INSERT INTO `tokens` (`id`, `token`, `object_id`, `description`) VALUES
     (1, '012345678901234567890123456789a1', 1, 'test'),
     (2, '012345678901234567890123456789a2', 2, 'test'),
     (3, '012345678901234567890123456789a3', 3, 'test'),
-    (4, '012345678901234567890123456789a4', 4, 'test');
+    (4, '012345678901234567890123456789a4', 4, 'test'),
+    (5, '012345678901234567890123456789a5', 5, 'test');
 
 COMMIT;

src/main/kotlin/ch/derlin/bbdata/output/api/types/BaseType.kt

@@ -12,10 +12,13 @@ package ch.derlin.bbdata.output.api.types
  */
 
 
+import ch.derlin.bbdata.common.truncate
 import com.fasterxml.jackson.annotation.JsonIdentityInfo
 import com.fasterxml.jackson.annotation.JsonIdentityReference
 import com.fasterxml.jackson.annotation.ObjectIdGenerators
 import org.hibernate.validator.constraints.Length
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
 import javax.persistence.*
 import javax.validation.constraints.NotEmpty
 
@@ -40,9 +43,12 @@ data class BaseType(
     companion object {
         const val TYPE_MAX = 45
 
+        private val log: Logger = LoggerFactory.getLogger(BaseType::class.java)
+
         fun parseType(value: String, type: String): Any? {
             try {
                 when (type) {
+                    "string" -> return value
                     "float" -> return value.toFloat()
                     "int" -> return value.toInt()
                     "bool" -> {
@@ -52,8 +58,10 @@ data class BaseType(
                             return false
                         return null
                     }
+                    else -> log.error("got an unknown unit type '$type' for value '$value'")
                 }
             } catch (e: Exception) {
+                log.debug("exception while parsing value ${value.truncate()} of type $type: ${e.javaClass.simpleName} ${e.message}")
             }
             return null
         }

src/test/kotlin/ch/derlin/bbdata/input/InputApiTest.kt

@@ -203,6 +203,13 @@ class InputApiTest {
             assertEquals(HttpStatus.OK, resp.statusCode, "good bool false: $v. ${resp.body}")
             assertEquals("false", JsonPath.parse(resp.body).read<String>("$[0].value"))
         }
+
+        // test good string
+        for (v in listOf("False", "12.0", """{\"json\": \"data\", \"works\": 1}""", "  ", true)) {
+            resp = restTemplate.postWithBody(URL, getMeasureBody(objectId = 5, value = v))
+            assertEquals(HttpStatus.OK, resp.statusCode, "good string: $v. ${resp.body}")
+            assertEquals(v.toString().replace("\\\"", "\""), JsonPath.parse(resp.body).read<String>("$[0].value"))
+        }
     }
 
     @Test