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package metadata
import (
"context"
"reflect"
"testing"
)
func TestMD(t *testing.T) {
tests := []struct {
addValues map[string]interface{}
expectedValues map[string]interface{}
}{
{
// Add initial metadata key/vals
map[string]interface{}{"key1": "val1", "key2": 2},
map[string]interface{}{"key1": "val1", "key2": 2},
},
{
// Add additional key/vals.
map[string]interface{}{"key3": 3, "key4": 4.5},
map[string]interface{}{"key1": "val1", "key2": 2, "key3": 3, "key4": 4.5},
},
}
// Using one same md and ctx for all test cases
ctx := context.TODO()
md, ctx := newMD(ctx)
for i, tc := range tests {
for k, v := range tc.addValues {
md.setValue(k, v)
}
if !reflect.DeepEqual(tc.expectedValues, map[string]interface{}(md)) {
t.Errorf("Test %d: Expected %v but got %v", i, tc.expectedValues, md)
}
// Make sure that MD is recieved from context successfullly
mdFromContext, ok := FromContext(ctx)
if !ok {
t.Errorf("Test %d: MD is not recieved from the context", i)
}
if !reflect.DeepEqual(md, mdFromContext) {
t.Errorf("Test %d: MD recieved from context differs from initial. Initial: %v, from context: %v", i, md, mdFromContext)
}
}
}
|
