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ignore empty string class name when building dataflow metadata #454

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6 changes: 5 additions & 1 deletion boot/configuration_metadata.go
Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,11 @@ func NewDataFlowConfigurationMetadata(path string, metadata ConfigurationMetadat

var classes []string
for _, s := range strings.Split(s, ",") {
classes = append(classes, strings.TrimSpace(s))
class := strings.TrimSpace(s)
if class == "" {
continue
}
classes = append(classes, class)
}

m := ConfigurationMetadata{}
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15 changes: 15 additions & 0 deletions boot/configuration_metadata_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,21 @@ func testConfigurationMetadata(t *testing.T, context spec.G, it spec.S) {
}))
})

it("returns dataflow decoded contents handling trailing comma correctly", func() {
Expect(os.MkdirAll(filepath.Join(path, "META-INF"), 0755)).To(Succeed())
Expect(ioutil.WriteFile(filepath.Join(path, "META-INF", "spring-configuration-metadata.json"),
[]byte(`{ "properties": [ { "name": "alpha", "sourceType": "alpha" }, { "name": "beta" } ] }`), 0644))
Expect(ioutil.WriteFile(filepath.Join(path, "META-INF", "dataflow-configuration-metadata.properties"),
[]byte("configuration-properties.classes=alpha,"), 0644))

cm, err := boot.NewConfigurationMetadataFromPath(path)
Expect(err).NotTo(HaveOccurred())

Expect(boot.NewDataFlowConfigurationMetadata(path, cm)).To(Equal(boot.ConfigurationMetadata{
Properties: []boot.Property{{Name: "alpha", SourceType: "alpha"}},
}))
})

it("returns dataflow decoded contents", func() {
Expect(os.MkdirAll(filepath.Join(path, "META-INF"), 0755)).To(Succeed())
Expect(ioutil.WriteFile(filepath.Join(path, "META-INF", "spring-configuration-metadata.json"),
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