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[test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) #182

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merged 12 commits into from
May 10, 2023

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@art-tapin art-tapin commented May 5, 2023

This pull request contains unit-tests and a bit of refactoring for five functions in the common/common.go. The changes made are as follows:

  • Added unit tests for functions: Contains, Map, SliceCopy, ReverseSlice and MergeMapStringString
  • Adedd comments to: Contains, Map, SliceCopy, ReverseCopy

Note that this is the second of three pull requests with tests for common/common.go, so there is more work to be done.

This pull request partly closes issue #167.

Сoverage: 63.5% of statements

@art-tapin art-tapin force-pushed the issue167/test-improvement-for-common-common.go-2 branch from 11e1fbe to 0d60a69 Compare May 5, 2023 15:41
@art-tapin art-tapin marked this pull request as ready for review May 5, 2023 15:59
@art-tapin art-tapin requested a review from a team as a code owner May 5, 2023 15:59
@@ -80,6 +80,8 @@ func NamespacedNameToObjectKey(namespacedName, defaultNamespace string) client.O
return client.ObjectKey{Namespace: defaultNamespace, Name: split[0]}
}

// Contains checks if the given target string is present in the slice of strings 'slice'.
// It returns true if the target string is found in the slice, false otherwise.
func Contains(slice []string, target string) bool {
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Can Generics be used here?

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@didierofrivia We need your expert opinion! 🤓

@art-tapin art-tapin merged commit dcad23a into main May 10, 2023
@art-tapin art-tapin deleted the issue167/test-improvement-for-common-common.go-2 branch May 10, 2023 15:02
art-tapin added a commit that referenced this pull request May 17, 2023
* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
didierofrivia pushed a commit that referenced this pull request May 17, 2023
…go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'
art-tapin added a commit that referenced this pull request May 18, 2023
* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
didierofrivia pushed a commit that referenced this pull request May 18, 2023
* optimisation: Improve performance of UnMarshallObjectKey

This commit optimizes the UnMarshallObjectKey function by avoiding unnecessary allocations and using a simple string split operation instead of manual string parsing. This results in performance improvements when processing large volumes of Kubernetes objects. Additionally, the function now validates input strings more accurately to prevent errors when working with invalid object keys.

* optimisation: Improve performance of UnMarshallLimitNamespace

This commit optimizes the UnMarshallLimitNamespace function to improve its runtime performance. The following changes were made:

- Used strings.IndexByte instead of strings.Split to search for the index of the '#' delimiter character, reducing the number of iterations and memory allocation overhead.
- Extracted the domain directly from the input string instead of creating a temporary slice, reducing the number of string allocations.
- Passed only the first half of the input string to UnMarshallObjectKey function, avoiding the creation of unnecessary intermediate strings.

* optimisation: improve performance of HostnamesToStrings (#167)

- Pre-allocated output slice using make function to reduce append overhead

* refactor: Replace errors.New(...) with fmt.Errorf(...)

* refactor: Simplify if-condition in UnMarshallObjectKey to handle empty namespace and name values

+ refactor the error message

* fix: Use IndexRune instead of IndexByte to handle non-ascii characters in UnMarshallLimitNamespace and UnMarshallObjectKey

Discussion: #187 (comment)

Kudos to Eguzki

* [test] Unit-tests for common/common.go (part 3 of 3) (#186)

* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
didierofrivia pushed a commit that referenced this pull request May 24, 2023
…go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'
didierofrivia pushed a commit that referenced this pull request May 24, 2023
* optimisation: Improve performance of UnMarshallObjectKey

This commit optimizes the UnMarshallObjectKey function by avoiding unnecessary allocations and using a simple string split operation instead of manual string parsing. This results in performance improvements when processing large volumes of Kubernetes objects. Additionally, the function now validates input strings more accurately to prevent errors when working with invalid object keys.

* optimisation: Improve performance of UnMarshallLimitNamespace

This commit optimizes the UnMarshallLimitNamespace function to improve its runtime performance. The following changes were made:

- Used strings.IndexByte instead of strings.Split to search for the index of the '#' delimiter character, reducing the number of iterations and memory allocation overhead.
- Extracted the domain directly from the input string instead of creating a temporary slice, reducing the number of string allocations.
- Passed only the first half of the input string to UnMarshallObjectKey function, avoiding the creation of unnecessary intermediate strings.

* optimisation: improve performance of HostnamesToStrings (#167)

- Pre-allocated output slice using make function to reduce append overhead

* refactor: Replace errors.New(...) with fmt.Errorf(...)

* refactor: Simplify if-condition in UnMarshallObjectKey to handle empty namespace and name values

+ refactor the error message

* fix: Use IndexRune instead of IndexByte to handle non-ascii characters in UnMarshallLimitNamespace and UnMarshallObjectKey

Discussion: #187 (comment)

Kudos to Eguzki

* [test] Unit-tests for common/common.go (part 3 of 3) (#186)

* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
didierofrivia pushed a commit that referenced this pull request May 25, 2023
…go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'
didierofrivia pushed a commit that referenced this pull request May 25, 2023
* optimisation: Improve performance of UnMarshallObjectKey

This commit optimizes the UnMarshallObjectKey function by avoiding unnecessary allocations and using a simple string split operation instead of manual string parsing. This results in performance improvements when processing large volumes of Kubernetes objects. Additionally, the function now validates input strings more accurately to prevent errors when working with invalid object keys.

* optimisation: Improve performance of UnMarshallLimitNamespace

This commit optimizes the UnMarshallLimitNamespace function to improve its runtime performance. The following changes were made:

- Used strings.IndexByte instead of strings.Split to search for the index of the '#' delimiter character, reducing the number of iterations and memory allocation overhead.
- Extracted the domain directly from the input string instead of creating a temporary slice, reducing the number of string allocations.
- Passed only the first half of the input string to UnMarshallObjectKey function, avoiding the creation of unnecessary intermediate strings.

* optimisation: improve performance of HostnamesToStrings (#167)

- Pre-allocated output slice using make function to reduce append overhead

* refactor: Replace errors.New(...) with fmt.Errorf(...)

* refactor: Simplify if-condition in UnMarshallObjectKey to handle empty namespace and name values

+ refactor the error message

* fix: Use IndexRune instead of IndexByte to handle non-ascii characters in UnMarshallLimitNamespace and UnMarshallObjectKey

Discussion: #187 (comment)

Kudos to Eguzki

* [test] Unit-tests for common/common.go (part 3 of 3) (#186)

* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
didierofrivia pushed a commit that referenced this pull request May 31, 2023
…go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'
didierofrivia pushed a commit that referenced this pull request May 31, 2023
* optimisation: Improve performance of UnMarshallObjectKey

This commit optimizes the UnMarshallObjectKey function by avoiding unnecessary allocations and using a simple string split operation instead of manual string parsing. This results in performance improvements when processing large volumes of Kubernetes objects. Additionally, the function now validates input strings more accurately to prevent errors when working with invalid object keys.

* optimisation: Improve performance of UnMarshallLimitNamespace

This commit optimizes the UnMarshallLimitNamespace function to improve its runtime performance. The following changes were made:

- Used strings.IndexByte instead of strings.Split to search for the index of the '#' delimiter character, reducing the number of iterations and memory allocation overhead.
- Extracted the domain directly from the input string instead of creating a temporary slice, reducing the number of string allocations.
- Passed only the first half of the input string to UnMarshallObjectKey function, avoiding the creation of unnecessary intermediate strings.

* optimisation: improve performance of HostnamesToStrings (#167)

- Pre-allocated output slice using make function to reduce append overhead

* refactor: Replace errors.New(...) with fmt.Errorf(...)

* refactor: Simplify if-condition in UnMarshallObjectKey to handle empty namespace and name values

+ refactor the error message

* fix: Use IndexRune instead of IndexByte to handle non-ascii characters in UnMarshallLimitNamespace and UnMarshallObjectKey

Discussion: #187 (comment)

Kudos to Eguzki

* [test] Unit-tests for common/common.go (part 3 of 3) (#186)

* test: Add unit-tests for UnMarshallLimitNamespace (#167)

* test: Add two FAILING unit-tests for UnMarshallLimitNamespace (#167)

The two failing test cases include:
- when namespace has no gateway name then return an error
- when namespace has no domain name then return an error

In these test-cases we leave the separator (either "/" or "#"), which causes the function to return an error when the gateway name or domain name is missing. In the last two test cases:
- when namespace only has gateway name (missing 'namespace/') and domain then return an error
- when namespace only has namespace name (missing '/gwName') and domain then return an error
the separator (/) is missing along with the namespace or gateway names, causing the function to return the correct error message.

* refactor: Add comment to UnMarshallLimitNamespace (#167)

* test: Add unit-tests for MarshallNamespace (#167)

* test: Add unit-tests for UnMarshallObjectKey (#167)

* test: Add unit-tests for HostnamesToStrings (#167)

* [test] Optimizations, improvements, and unit tests for common/common.go (part 2 of 3) (#182)

* test: Add unit-tests for Contains (#167)

* refactor: Add comment to Contains (#167)

* test: Add unit-tests for Map (#167)

* refactor: Add comment to Map (#167)

* refactor: Add names to Map test cases (#167)

* test: Add unit-tests for SliceCopy (#167)

* refactor: Add comment to SliceCopy (#167)

* test: Add unit-tests for ReverseSlice (#167)

* refactor: Add comment to ReverseSlice (#167)

* test: Add unit-tests for MergeMapStringString (#167)

* refactor: Add missing import 'reflect'

* fix: Ensure Istio gateways created in the tests are ready ('Programmed') by setting ClusterIP service type (#185)

* changelog (#184)

* test: Add two test-cases for UnMarshallObjectKey (#167)

1. when valid namespace and empty name (strKey ends with '/') then return valid ObjectKey with namespace only
2. when valid name and empty namespace (strKey starts with '/') then return valid ObjectKey with name only

Changes were discussed here: #187 (comment)

* test: Delete test case for UnMarshallLimitNamespace

The test case "when namespace has no gateway name then return an error" has been removed from the test suite for UnMarshallLimitNamespace. This test case was tightly connected to the implementation of UnMarshallObjectKey, making it impossible to properly test the desired behavior in the context of UnMarshallLimitNamespace.

* refactor: Add clarity to the test name

Describing the '/' separator as a default one we show that it is a default constant value.

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>

---------

Co-authored-by: Guilherme Cassolato <guicassolato@gmail.com>
Co-authored-by: Eguzki Astiz Lezaun <eastizle@redhat.com>
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