Adding upstream version 0.2.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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14 changed files with 837 additions and 0 deletions
217
yaml_test.go
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217
yaml_test.go
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package deepmerge_test
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import (
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"errors"
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"testing"
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"github.com/TwiN/deepmerge"
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"gopkg.in/yaml.v3"
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)
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func TestYAML(t *testing.T) {
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scenarios := []struct {
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name string
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config deepmerge.Config
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dst string
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src string
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expected string
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expectedErr error
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}{
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{
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name: "invalid-dst",
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dst: `wat`,
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src: ``,
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expected: ``,
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expectedErr: errors.New("yaml: unmarshal errors:\n line 1: cannot unmarshal !!str `wat` into map[string]interface {}"),
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},
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{
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name: "invalid-src",
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dst: ``,
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src: `wat`,
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expected: ``,
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expectedErr: errors.New("yaml: unmarshal errors:\n line 1: cannot unmarshal !!str `wat` into map[string]interface {}"),
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},
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{
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name: "simple-endpoint-merge",
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dst: `endpoints:
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- name: one
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url: https://example.com
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client:
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timeout: 5s
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conditions:
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- "[CONNECTED] == true"
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- "[STATUS] == 200"
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alerts:
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- type: slack
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failure-threshold: 5
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- name: two
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url: https://example.org
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conditions:
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- "len([BODY]) > 0"`,
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src: `endpoints:
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- name: three
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url: https://twin.sh/health
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conditions:
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- "[STATUS] == 200"
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- "[BODY].status == UP"`,
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expected: `endpoints:
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- name: one
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url: https://example.com
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client:
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timeout: 5s
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conditions:
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- "[CONNECTED] == true"
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- "[STATUS] == 200"
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alerts:
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- type: slack
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failure-threshold: 5
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- name: two
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url: https://example.org
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conditions:
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- "len([BODY]) > 0"
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- name: three
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url: https://twin.sh/health
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conditions:
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- "[STATUS] == 200"
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- "[BODY].status == UP"
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`,
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},
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{
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name: "deep-merge-with-map-slice-and-primitive",
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dst: `
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metrics: true
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alerting:
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slack:
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webhook-url: https://hooks.slack.com/services/xxx/yyy/zzz
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default-alert:
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description: "health check failed"
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send-on-resolved: true
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failure-threshold: 5
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success-threshold: 5
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endpoints:
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- name: example
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url: https://example.org
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interval: 5s`,
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src: `
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debug: true
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alerting:
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discord:
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webhook-url: https://discord.com/api/webhooks/xxx/yyy
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endpoints:
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- name: frontend
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url: https://example.com`,
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expected: `
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metrics: true
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debug: true
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alerting:
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discord:
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webhook-url: https://discord.com/api/webhooks/xxx/yyy
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slack:
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webhook-url: https://hooks.slack.com/services/xxx/yyy/zzz
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default-alert:
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description: "health check failed"
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send-on-resolved: true
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failure-threshold: 5
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success-threshold: 5
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endpoints:
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- interval: 5s
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name: example
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url: https://example.org
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- name: frontend
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url: https://example.com
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`,
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},
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{ // only maps and slices can be merged. If there are duplicate keys that have a primitive value, then that's an error.
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name: "duplicate-key-with-primitive-value",
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config: deepmerge.Config{PreventMultipleDefinitionsOfKeysWithPrimitiveValue: true}, // NOTE: true is the default
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dst: `metrics: true`,
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src: `metrics: false`,
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expectedErr: deepmerge.ErrKeyWithPrimitiveValueDefinedMoreThanOnce,
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},
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{
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name: "duplicate-key-with-primitive-value-with-preventDuplicateKeysWithPrimitiveValue-set-to-false",
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config: deepmerge.Config{PreventMultipleDefinitionsOfKeysWithPrimitiveValue: false},
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dst: `metrics: true
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debug: true`,
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src: `metrics: false`,
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expected: `metrics: false
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debug: true`,
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},
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{
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name: "readme-example",
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dst: `debug: true
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client:
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insecure: true
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users:
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- id: 1
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firstName: John
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lastName: Doe
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- id: 2
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firstName: Jane
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lastName: Doe`,
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src: `client:
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timeout: 5s
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users:
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- id: 3
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firstName: Bob
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lastName: Smith`,
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expected: `
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client:
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insecure: true
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timeout: 5s
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debug: true
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users:
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- firstName: John
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id: 1
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lastName: Doe
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- firstName: Jane
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id: 2
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lastName: Doe
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- firstName: Bob
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id: 3
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lastName: Smith`,
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},
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}
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for _, scenario := range scenarios {
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t.Run(scenario.name, func(t *testing.T) {
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output, err := deepmerge.YAML([]byte(scenario.dst), []byte(scenario.src), scenario.config)
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if !errors.Is(err, scenario.expectedErr) && !(scenario.expectedErr != nil && err.Error() == scenario.expectedErr.Error()) {
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t.Errorf("[%s] expected error %v, got %v", scenario.name, scenario.expectedErr, err)
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}
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// Just so we don't have to worry about the formatting, we'll unmarshal the output and marshal it again.
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expectedAsMap, outputAsMap := make(map[string]interface{}), make(map[string]interface{})
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if len(output) > 0 {
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if err := yaml.Unmarshal(output, &outputAsMap); err != nil {
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t.Errorf("[%s] failed to unmarshal output: %v", scenario.name, err)
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}
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}
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if len(scenario.expected) > 0 {
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if err := yaml.Unmarshal([]byte(scenario.expected), &expectedAsMap); err != nil {
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t.Errorf("[%s] failed to unmarshal expected: %v", scenario.name, err)
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}
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}
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formattedOutput, err := yaml.Marshal(outputAsMap)
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if err != nil {
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t.Errorf("[%s] should've been able to re-marshal output: %v", scenario.name, err)
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}
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formattedExpected, err := yaml.Marshal(expectedAsMap)
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if err != nil {
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t.Errorf("[%s] should've been able to re-marshal expected: %v", scenario.name, err)
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}
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// Compare what we got vs what we expected
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if string(formattedOutput) != string(formattedExpected) {
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t.Errorf("[%s] expected:\n%s\n\ngot:\n%s", scenario.name, string(formattedExpected), string(formattedOutput))
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}
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})
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}
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}
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