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[all] add "x-enum-varnames" extension to control enum varname #917

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Aug 30, 2018
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[all] add "x-enum-varnames" extension to control enum varname #917

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cfd1f4c
add "x-enum-varnames" extension to control the naming of the enum pa…
osjupiter Aug 27, 2018
029a8e2
allow to set different size from target enum
osjupiter Aug 29, 2018
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14 changes: 14 additions & 0 deletions modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,8 @@ public Map<String, Object> postProcessModelsEnum(Map<String, Object> objs) {
enumVar.put("isString", isDataTypeString(cm.dataType));
enumVars.add(enumVar);
}
// if "x-enum-varnames" defined, update varnames
updateEnumVarsWithExtensions(enumVars, cm.getVendorExtensions());
cm.allowableValues.put("enumVars", enumVars);
}

Expand Down Expand Up @@ -4003,6 +4005,8 @@ public void updateCodegenPropertyEnum(CodegenProperty var) {
enumVar.put("isString", isDataTypeString(dataType));
enumVars.add(enumVar);
}
// if "x-enum-varnames" defined, update varnames
updateEnumVarsWithExtensions(enumVars, var.getVendorExtensions());
allowableValues.put("enumVars", enumVars);

// handle default value for enum, e.g. available => StatusEnum.AVAILABLE
Expand All @@ -4020,6 +4024,16 @@ public void updateCodegenPropertyEnum(CodegenProperty var) {
}
}

private void updateEnumVarsWithExtensions(List<Map<String, Object>> enumVars, Map<String, Object> vendorExtensions) {
if (vendorExtensions != null && vendorExtensions.containsKey("x-enum-varnames")) {
List<String> alias = (List<String>) vendorExtensions.get("x-enum-varnames");
int size = Math.min(enumVars.size(), alias.size());
for (int i = 0; i < size; i++) {
enumVars.get(i).put("name", alias.get(i));
}
}
}

/**
* If the pattern misses the delimiter, add "/" to the beginning and end
* Otherwise, return the original pattern
Expand Down
86 changes: 86 additions & 0 deletions modules/openapi-generator/src/test/java/org/openapitools/codegen/DefaultCodegenTest.java
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Expand Up @@ -306,6 +306,66 @@ public void updateCodegenPropertyEnum() {
Assert.assertEquals(testedEnumVar.getOrDefault("isString", ""), false);
}

@Test
public void updateCodegenPropertyEnumWithExtention() {
{
CodegenProperty enumProperty = codegenPropertyWithXEnumVarName(Arrays.asList("dog", "cat"), Arrays.asList("DOGVAR", "CATVAR"));
(new DefaultCodegen()).updateCodegenPropertyEnum(enumProperty);
List<Map<String, Object>> enumVars = (List<Map<String, Object>>) enumProperty.getAllowableValues().get("enumVars");
Assert.assertNotNull(enumVars);
Assert.assertNotNull(enumVars.get(0));
Assert.assertEquals(enumVars.get(0).getOrDefault("name", ""), "DOGVAR");
Assert.assertEquals(enumVars.get(0).getOrDefault("value", ""), "\"dog\"");
Assert.assertNotNull(enumVars.get(1));
Assert.assertEquals(enumVars.get(1).getOrDefault("name", ""), "CATVAR");
Assert.assertEquals(enumVars.get(1).getOrDefault("value", ""), "\"cat\"");
}
{
CodegenProperty enumProperty = codegenPropertyWithXEnumVarName(Arrays.asList("1", "2"), Arrays.asList("ONE", "TWO"));
(new DefaultCodegen()).updateCodegenPropertyEnum(enumProperty);
List<Map<String, Object>> enumVars = (List<Map<String, Object>>) enumProperty.getAllowableValues().get("enumVars");
Assert.assertEquals(enumVars.get(0).getOrDefault("name", ""), "ONE");
Assert.assertEquals(enumVars.get(0).getOrDefault("value", ""), "\"1\"");
Assert.assertEquals(enumVars.get(1).getOrDefault("name", ""), "TWO");
Assert.assertEquals(enumVars.get(1).getOrDefault("value", ""), "\"2\"");
}
{
CodegenProperty enumProperty = codegenPropertyWithXEnumVarName(Arrays.asList("a", "b", "c", "d"), Arrays.asList("FOO", "BAR"));
(new DefaultCodegen()).updateCodegenPropertyEnum(enumProperty);
List<Map<String, Object>> enumVars = (List<Map<String, Object>>) enumProperty.getAllowableValues().get("enumVars");
Assert.assertEquals(enumVars.get(0).getOrDefault("name", ""), "FOO");
Assert.assertEquals(enumVars.get(1).getOrDefault("name", ""), "BAR");
Assert.assertEquals(enumVars.get(2).getOrDefault("name", ""), "C");
Assert.assertEquals(enumVars.get(3).getOrDefault("name", ""), "D");
}
{
CodegenProperty enumProperty = codegenPropertyWithXEnumVarName(Arrays.asList("a", "b"), Arrays.asList("FOO", "BAR", "BAZ"));
(new DefaultCodegen()).updateCodegenPropertyEnum(enumProperty);
List<Map<String, Object>> enumVars = (List<Map<String, Object>>) enumProperty.getAllowableValues().get("enumVars");
Assert.assertEquals(enumVars.get(0).getOrDefault("name", ""), "FOO");
Assert.assertEquals(enumVars.get(1).getOrDefault("name", ""), "BAR");
Assert.assertEquals(enumVars.size(), 2);
}
}

@Test
public void postProcessModelsEnumWithExtention() {
final DefaultCodegen codegen = new DefaultCodegen();
Map<String, Object> objs = codegenModelWithXEnumVarName();
CodegenModel cm = (CodegenModel) ((Map<String, Object>) ((List<Object>) objs.get("models")).get(0)).get("model");

codegen.postProcessModelsEnum(objs);

List<Map<String, Object>> enumVars = (List<Map<String, Object>>) cm.getAllowableValues().get("enumVars");
Assert.assertNotNull(enumVars);
Assert.assertNotNull(enumVars.get(0));
Assert.assertEquals(enumVars.get(0).getOrDefault("name", ""), "DOGVAR");
Assert.assertEquals(enumVars.get(0).getOrDefault("value", ""), "\"dog\"");
Assert.assertNotNull(enumVars.get(1));
Assert.assertEquals(enumVars.get(1).getOrDefault("name", ""), "CATVAR");
Assert.assertEquals(enumVars.get(1).getOrDefault("value", ""), "\"cat\"");
}

@Test
public void testExample1() {
final OpenAPI openAPI = new OpenAPIParser().readLocation("src/test/resources/3_0/examples.yaml", null, new ParseOptions()).getOpenAPI();
Expand Down Expand Up @@ -478,4 +538,30 @@ private CodegenProperty codegenPropertyWithArrayOfIntegerValues() {
array.dataType = "Array";
return array;
}

private CodegenProperty codegenPropertyWithXEnumVarName(List<String> values, List<String> aliases) {
final CodegenProperty var = new CodegenProperty();
final HashMap<String, Object> allowableValues = new HashMap<>();
allowableValues.put("values", values);
var.setAllowableValues(allowableValues);
var.dataType = "String";
Map<String, Object> extentions = Collections.singletonMap("x-enum-varnames", aliases);
var.setVendorExtensions(extentions);
return var;
}

private Map<String, Object> codegenModelWithXEnumVarName() {
final CodegenModel cm = new CodegenModel();
cm.isEnum = true;
final HashMap<String, Object> allowableValues = new HashMap<>();
allowableValues.put("values", Arrays.asList("dog", "cat"));
cm.setAllowableValues(allowableValues);
cm.dataType = "String";
final List<String> aliases = Arrays.asList("DOGVAR", "CATVAR");
Map<String, Object> extentions = Collections.singletonMap("x-enum-varnames", aliases);
cm.setVendorExtensions(extentions);
cm.setVars(Collections.emptyList());
Map<String, Object> objs = Collections.singletonMap("models", Collections.singletonList(Collections.singletonMap("model", cm)));
return objs;
}
}