fixes undue propagation of x-go-name to tags in AllOf serializer

* fixes go-swagger#2071
* added unit test on generated model

Signed-off-by: Frederic BIDON <[email protected]>

fixtures/bugs/2071/.gitignore

@@ -0,0 +1,3 @@
+gen-*
+!gen-fixtures.sh
+*.log

fixtures/bugs/2071/fixture-2071.yaml

@@ -0,0 +1,42 @@
+---
+  swagger: "2.0"
+  info:
+    title: "gen operation with body param, --skip-flatten mode"
+    version: "0.0.1"
+    description: "repro issue 1537"
+    license:
+      name: "Apache 2.0"
+      url: "http://www.apache.org/licenses/LICENSE-2.0.html"
+  paths:
+    /getPet:
+      get:
+        responses:
+          200:
+            description: "OK"
+            schema:
+              $ref: '#/definitions/Pet'
+    /getCat:
+      get:
+        responses:
+          200:
+            description: "OK"
+            schema:
+              $ref: '#/definitions/Cat'
+
+  definitions:
+    Pet:
+        type: object
+        properties:
+            name:
+                type: string
+                x-go-name: Name
+                x-nullable: true
+    Cat:
+        allOf:
+            - $ref: "#/definitions/Pet"
+            - type: "object"
+              properties:
+                ability:
+                    type: string
+                    x-go-name: SomeAbility
+                    x-nullable: true

fixtures/bugs/2071/gen-fixtures.sh

@@ -0,0 +1,73 @@
+#! /bin/bash
+if [[ ${1} == "--clean" ]] ; then
+    clean=1
+fi
+continueOnError=
+# A small utility to build fixture servers
+testcases="${testcases} fixture-2071.yaml"
+for opts in  "" "--with-expand" ; do
+for testcase in ${testcases} ; do
+    grep -q discriminator ${testcase}
+    discriminated=$?
+    if [[ ${discriminated} -eq 0 && ${opts} == "--with-expand" ]] ; then
+        echo "Skipped ${testcase} with ${opts}: discriminator not supported with ${opts}"
+        continue
+    fi
+    if [[ ${testcase} == "../1479/fixture-1479-part.yaml" && ${opts} == "--with-expand" ]] ; then
+        echo "Skipped ${testcase} with ${opts}: known issue with enum in anonymous allOf not validated. See you next PR"
+        continue
+    fi
+
+    spec=${testcase}
+    testcase=`basename ${testcase}`
+    if [[ -z ${opts} ]]; then
+        target=./gen-${testcase%.*}-flatten
+    else
+        target=./gen-${testcase%.*}-expand
+    fi
+    serverName="codegensrv"
+    rm -rf ${target}
+    mkdir ${target}
+    echo "Model generation for ${spec} with opts=${opts}"
+    serverName="nrcodegen"
+    swagger generate server --skip-validation ${opts} --spec ${spec} --target ${target} --name=${serverName} 1>${testcase%.*}.log 2>&1
+    # 1>x.log 2>&1
+    #
+    if [[ $? != 0 ]] ; then
+        echo "Generation failed for ${spec}"
+        if [[ ! -z ${continueOnError} ]] ; then
+            failures="${failures} codegen:${spec}"
+            continue
+        else
+            exit 1
+        fi
+    fi
+    echo "${spec}: Generation OK"
+    if [[ ! -d ${target}/models ]] ; then
+        echo "No model in this spec! Continue building server"
+    fi
+    if [[ -d ${target}/cmd/${serverName}"-server" ]] ; then
+        (cd ${target}/cmd/${serverName}"-server"; go build)
+        #(cd ${target}/models; go build)
+        if [[ $? != 0 ]] ; then
+            echo "Build failed for ${spec}"
+            if [[ ! -z ${continueOnError} ]] ; then
+                failures="${failures} build:${spec}"
+                continue
+            else
+                exit 1
+            fi
+        fi
+        echo "${spec}: Build OK"
+        if [[ -n ${clean} ]] ; then
+             rm -rf ${target}
+        fi
+    fi
+done
+done
+if [[ ! -z ${failures} ]] ; then
+    echo ${failures}|tr ' ' '\n'
+else
+    echo "No failures"
+fi
+exit