[
https://issues.apache.org/jira/browse/FINERACT-2609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Krishna Mewara updated FINERACT-2609:
-------------------------------------
Description:
h2. Overview
Migrate Fineract's integration test infrastructure from raw RestAssured HTTP
calls to the
type-safe Feign client ({{{}fineract-client-feign{}}}). Following the Strangler
Fig pattern —
new Feign helpers coexist alongside legacy RestAssured helpers, tests migrated
incrementally.
No big bang rewrite.
To close: FINERACT-2454
h2. Why migrate?
* RestAssured tests use raw JSON strings and untyped HTTP — brittle, no
compile-time safety
* Feign client is type-safe, auto-generated from the OpenAPI spec
* Catch API contract drift at compile time, not at runtime in CI
h2. Current State
||Metric||Count||
|Total helper files in {{common/}}|123|
|Helpers with RestAssured only (unmigrated)|53|
|Helpers with both RestAssured + Retrofit (mixed)|18|
|Helpers already using Retrofit ({{{}Calls.ok{}}})|35|
|Helpers with NO RestAssured (pure utility)|51|
|Total test files (excluding {{common/}} and Feign)|312|
|Test files directly importing RestAssured|197 of 312 (63%)|
|Existing Feign test files|10|
|Existing Feign helpers|17|
|Existing Feign modules|7|
|Existing wrapper interfaces|4|
h2. Existing Feign Infrastructure
These are already merged and in {{{}upstream/develop{}}}. Listed here so the
scope of remaining
work is clear and we don't accidentally duplicate what already exists.
h3. Base Classes
||Class||Role||Replaces||
|{{FeignIntegrationTest}}|Root base for all Feign tests|{{IntegrationTest}}
(Retrofit-based)|
|{{FeignLoanTestBase}}|Wires all loan helpers, ready for loan test
migration|{{BaseLoanIntegrationTest}} (decommission target)|
h3. Helpers (under {{{}client/feign/helpers/{}}})
||Helper||Replaces||Coverage||
|{{FeignLoanHelper}}|{{LoanTransactionHelper}} (3,250 lines)|~16% — core
lifecycle only|
|{{FeignTransactionHelper}}|Extracted from {{LoanTransactionHelper}}|repayment,
chargeOff, reAge, inline COB|
|{{FeignClientHelper}}|{{ClientHelper}} (1,207 lines)|~6 of ~50 methods|
|{{FeignAccountHelper}}|{{AccountHelper}}|GL account lookup|
|{{FeignBusinessDateHelper}}|{{BusinessDateHelper}}|Full functional replacement|
|{{FeignJournalEntryHelper}}|{{JournalEntryHelper}}|Journal verification|
|{{FeignOfficeHelper}}|{{OfficeHelper}}|Full functional replacement|
|{{FeignSchedulerHelper}}|{{SchedulerJobHelper}}|Full functional replacement|
|{{FeignGlobalConfigurationHelper}}|{{GlobalConfigurationHelper}}|Full
functional replacement|
|{{FeignWorkingCapitalLoanHelper}}|{{WorkingCapitalLoanHelper}}|WC loan ops|
|{{{}FeignSearchHelper{}}}, {{{}FeignTaxComponentHelper{}}},
{{FeignTaxGroupHelper}}|No legacy equivalent|New capability|
|{{{}FeignNotificationHelper{}}}, {{{}FeignLoanOriginatorHelper{}}},
{{FeignExternalEventHelper}}|No legacy equivalent|New capability|
h2. Migration Tiers
h3. Tier 1 — High-Impact
||Helper||Importers||RestAssured %||Feign existence||
|{{Utils.java}}|309|100%|None — migrate last|
|{{ClientHelper.java}}|216|~80%|{{FeignClientHelper}} (6 methods — extend in PR
2)|
|{{BaseLoanIntegrationTest.java}}|121|~95%|{{FeignLoanTestBase}} — exists,
decommission after charge coverage added|
|{{LoanTransactionHelper.java}}|118|~55%|{{FeignLoanHelper}} +
{{FeignTransactionHelper}} — extend in PR 4|
|{{SavingsAccountHelper.java}}|37|~97%|None — greenfield target for PR 1|
h3. Tier 2 — Medium-Impact
||Helper||Importers||Feign Beachhead||
|{{BusinessDateHelper}}|61|{{FeignBusinessDateHelper}} (done)|
|{{AccountHelper}}|60|{{FeignAccountHelper}} (done)|
|{{ChargesHelper}}|55|None — PR 3|
|{{DelinquencyBucketsHelper}}|36|None — PR 3|
|{{SchedulerJobHelper}}|35|{{FeignSchedulerHelper}} (done)|
|{{GlobalConfigurationHelper}}|26|{{FeignGlobalConfigurationHelper}} (done)|
|{{JournalEntryHelper}}|24|{{FeignJournalEntryHelper}} (done)|
|{{OfficeHelper}}|19|{{FeignOfficeHelper}} (done)|
|{{GroupHelper}}|17|None — PR 5|
h3. Tier 3 — Low-Impact / Niche
{{BatchHelper}} (7 importers), {{{}FixedDepositAccountHelper{}}},
{{{}RecurringDepositAccountHelper{}}},
and domain-specific helpers with <10 importers each.
h3. Foundation Layer
{{Utils.java}} (309 importers) is the RestAssured gateway that nearly all
helpers delegate to.
{*}Deprecate last{*}, only after all helpers above are migrated. The
RA-specific methods
({{{}initializeRESTAssured(){}}}, HTTP request wrappers) can be {{@Deprecated}}
progressively —
but {{uniqueRandomStringGenerator()}} and
{{loginIntoServerAndGetBase64EncodedAuthenticationKey()}}
are used widely even in non-RA code, so those stay until their callers are
migrated.
h2. Architecture Pattern
New {{FeignXxxHelper}} classes live under {{{}client/feign/helpers/{}}}. They:
* Take {{FineractFeignClient}} via constructor injection
* Use {{ok(() -> ...)}} for API calls (via {{FeignCalls}} utility)
* Tests extend {{FeignIntegrationTest}} base class
* Share the same model classes ({{{}org.apache.fineract.client.models.*{}}})
as Retrofit
Legacy and Feign helpers coexist — both {{fineract-client}} (Retrofit) and
{{fineract-client-feign}} are on the classpath simultaneously. The {{exclude}}
in
{{dependencies.gradle}} prevents duplicate model classes.
h2. Key Design Decisions
# *Separate Feign helper classes* — not dual methods in existing helpers
# Both clients share model classes — no conflicts
# Thin wrapper interfaces only for APIs with unreadable generated names (e.g.
{{create6()}} → {{{}createClient(){}}})
# Coexistence over replacement — 197 test files still use RestAssured, helper
migration enables but doesn't force test-level migration
h2. Decommission Plan
These classes will be retired once their Feign replacement has full method
coverage.
Both old and new coexist until importer counts reach zero.
||Class||Importers||Depends On||
|{{BaseLoanIntegrationTest}}|121|PR 4 (charge management added to
{{{}FeignLoanHelper{}}})|
|{{BaseSavingsIntegrationTest}}|—|PR 1 ({{{}FeignSavingsHelper{}}} +
{{{}FeignSavingsTestBase{}}})|
h2. PR Roadmap
h3. Core PRs
||PR||Scope||Status||
|PR 1|{{FeignSavingsHelper}} + {{FeignSavingsTestBase}} + first savings
test|Done|
|PR 2|Extend {{FeignClientHelper}} (update, delete, search, status
transitions)|In Review|
|PR 3|{{FeignChargesHelper}} + {{FeignDelinquencyHelper}}|Not Started|
|PR 4|Extend {{FeignLoanHelper}} — charge management + remaining disbursal
methods|Not Started|
|PR 5|{{FeignGroupHelper}} + {{FeignCenterHelper}}|Not Started|
|PR 6|Migrate 5–10 simple test files end-to-end from RestAssured to Feign|Not
Started|
h3. Stretch PRs
||PR||Scope||
|PR S1|Batch migrate {{BaseLoanIntegrationTest}} importers to
{{FeignLoanTestBase}} (after PR 4)|
|PR S2|{{FeignFixedDepositHelper}} + {{FeignRecurringDepositHelper}}|
|PR S3|{{@Deprecated}} on RestAssured-specific methods in {{Utils.java}}|
h2. Progress Log
||Date||PR||Ticket||Notes||
|2026-06-04|[#5934|https://github.com/apache/fineract/pull/5934]|FINERACT-2626|Added
missing `rejectedOnDate` and `withdrawnOnDate` fields to
`PostSavingsAccountsAccountIdRequest` in Savings Swagger spec. Prerequisite for
#5907 the generated Feign client model was missing these fields, causing the
reject command to silently fail.|
|2026-06-07|[#5907|https://github.com/apache/fineract/pull/5907]|FINERACT-2620|Type-safe
Feign-based helpers and integration tests for Savings domain. 10 new files:
`FeignSavingsHelper`, `FeignSavingsProductHelper`,
`FeignSavingsTransactionHelper`, `FeignSavingsTestBase`,
`FeignSavingsLifecycleExtension`, `SavingsRequestBuilders`, `SavingsTestData`,
`FeignTestConstants`, and `FeignSavingsLifecycleTest` (8 tests). Helpers return
full response objects for reusability. Depends on #5934 for correct
`rejectedOnDate` support.|
was:
h2. Overview
Migrate Fineract's integration test infrastructure from raw RestAssured HTTP
calls to the
type-safe Feign client ({{{}fineract-client-feign{}}}). Following the Strangler
Fig pattern —
new Feign helpers coexist alongside legacy RestAssured helpers, tests migrated
incrementally.
No big bang rewrite.
To close: FINERACT-2454
h2. Why migrate?
* RestAssured tests use raw JSON strings and untyped HTTP — brittle, no
compile-time safety
* Feign client is type-safe, auto-generated from the OpenAPI spec
* Catch API contract drift at compile time, not at runtime in CI
h2. Current State
||Metric||Count||
|Total helper files in {{common/}}|123|
|Helpers with RestAssured only (unmigrated)|53|
|Helpers with both RestAssured + Retrofit (mixed)|18|
|Helpers already using Retrofit ({{{}Calls.ok{}}})|35|
|Helpers with NO RestAssured (pure utility)|51|
|Total test files (excluding {{common/}} and Feign)|312|
|Test files directly importing RestAssured|197 of 312 (63%)|
|Existing Feign test files|10|
|Existing Feign helpers|17|
|Existing Feign modules|7|
|Existing wrapper interfaces|4|
h2. Existing Feign Infrastructure
These are already merged and in {{{}upstream/develop{}}}. Listed here so the
scope of remaining
work is clear and we don't accidentally duplicate what already exists.
h3. Base Classes
||Class||Role||Replaces||
|{{FeignIntegrationTest}}|Root base for all Feign tests|{{IntegrationTest}}
(Retrofit-based)|
|{{FeignLoanTestBase}}|Wires all loan helpers, ready for loan test
migration|{{BaseLoanIntegrationTest}} (decommission target)|
h3. Helpers (under {{{}client/feign/helpers/{}}})
||Helper||Replaces||Coverage||
|{{FeignLoanHelper}}|{{LoanTransactionHelper}} (3,250 lines)|~16% — core
lifecycle only|
|{{FeignTransactionHelper}}|Extracted from {{LoanTransactionHelper}}|repayment,
chargeOff, reAge, inline COB|
|{{FeignClientHelper}}|{{ClientHelper}} (1,207 lines)|~6 of ~50 methods|
|{{FeignAccountHelper}}|{{AccountHelper}}|GL account lookup|
|{{FeignBusinessDateHelper}}|{{BusinessDateHelper}}|Full functional replacement|
|{{FeignJournalEntryHelper}}|{{JournalEntryHelper}}|Journal verification|
|{{FeignOfficeHelper}}|{{OfficeHelper}}|Full functional replacement|
|{{FeignSchedulerHelper}}|{{SchedulerJobHelper}}|Full functional replacement|
|{{FeignGlobalConfigurationHelper}}|{{GlobalConfigurationHelper}}|Full
functional replacement|
|{{FeignWorkingCapitalLoanHelper}}|{{WorkingCapitalLoanHelper}}|WC loan ops|
|{{{}FeignSearchHelper{}}}, {{{}FeignTaxComponentHelper{}}},
{{FeignTaxGroupHelper}}|No legacy equivalent|New capability|
|{{{}FeignNotificationHelper{}}}, {{{}FeignLoanOriginatorHelper{}}},
{{FeignExternalEventHelper}}|No legacy equivalent|New capability|
h2. Migration Tiers
h3. Tier 1 — High-Impact
||Helper||Importers||RestAssured %||Feign existence||
|{{Utils.java}}|309|100%|None — migrate last|
|{{ClientHelper.java}}|216|~80%|{{FeignClientHelper}} (6 methods — extend in PR
2)|
|{{BaseLoanIntegrationTest.java}}|121|~95%|{{FeignLoanTestBase}} — exists,
decommission after charge coverage added|
|{{LoanTransactionHelper.java}}|118|~55%|{{FeignLoanHelper}} +
{{FeignTransactionHelper}} — extend in PR 4|
|{{SavingsAccountHelper.java}}|37|~97%|None — greenfield target for PR 1|
h3. Tier 2 — Medium-Impact
||Helper||Importers||Feign Beachhead||
|{{BusinessDateHelper}}|61|{{FeignBusinessDateHelper}} (done)|
|{{AccountHelper}}|60|{{FeignAccountHelper}} (done)|
|{{ChargesHelper}}|55|None — PR 3|
|{{DelinquencyBucketsHelper}}|36|None — PR 3|
|{{SchedulerJobHelper}}|35|{{FeignSchedulerHelper}} (done)|
|{{GlobalConfigurationHelper}}|26|{{FeignGlobalConfigurationHelper}} (done)|
|{{JournalEntryHelper}}|24|{{FeignJournalEntryHelper}} (done)|
|{{OfficeHelper}}|19|{{FeignOfficeHelper}} (done)|
|{{GroupHelper}}|17|None — PR 5|
h3. Tier 3 — Low-Impact / Niche
{{BatchHelper}} (7 importers), {{{}FixedDepositAccountHelper{}}},
{{{}RecurringDepositAccountHelper{}}},
and domain-specific helpers with <10 importers each.
h3. Foundation Layer
{{Utils.java}} (309 importers) is the RestAssured gateway that nearly all
helpers delegate to.
{*}Deprecate last{*}, only after all helpers above are migrated. The
RA-specific methods
({{{}initializeRESTAssured(){}}}, HTTP request wrappers) can be {{@Deprecated}}
progressively —
but {{uniqueRandomStringGenerator()}} and
{{loginIntoServerAndGetBase64EncodedAuthenticationKey()}}
are used widely even in non-RA code, so those stay until their callers are
migrated.
h2. Architecture Pattern
New {{FeignXxxHelper}} classes live under {{{}client/feign/helpers/{}}}. They:
* Take {{FineractFeignClient}} via constructor injection
* Use {{ok(() -> ...)}} for API calls (via {{FeignCalls}} utility)
* Tests extend {{FeignIntegrationTest}} base class
* Share the same model classes ({{{}org.apache.fineract.client.models.*{}}})
as Retrofit
Legacy and Feign helpers coexist — both {{fineract-client}} (Retrofit) and
{{fineract-client-feign}} are on the classpath simultaneously. The {{exclude}}
in
{{dependencies.gradle}} prevents duplicate model classes.
h2. Key Design Decisions
# *Separate Feign helper classes* — not dual methods in existing helpers
# Both clients share model classes — no conflicts
# Thin wrapper interfaces only for APIs with unreadable generated names (e.g.
{{create6()}} → {{{}createClient(){}}})
# Coexistence over replacement — 197 test files still use RestAssured, helper
migration enables but doesn't force test-level migration
h2. Decommission Plan
These classes will be retired once their Feign replacement has full method
coverage.
Both old and new coexist until importer counts reach zero.
||Class||Importers||Depends On||
|{{BaseLoanIntegrationTest}}|121|PR 4 (charge management added to
{{{}FeignLoanHelper{}}})|
|{{BaseSavingsIntegrationTest}}|—|PR 1 ({{{}FeignSavingsHelper{}}} +
{{{}FeignSavingsTestBase{}}})|
h2. PR Roadmap
h3. Core PRs
||PR||Scope||Status||
|PR 1|{{FeignSavingsHelper}} + {{FeignSavingsTestBase}} + first savings
test|Done|
|PR 2|Extend {{FeignClientHelper}} (update, delete, search, status
transitions)|Not Started|
|PR 3|{{FeignChargesHelper}} + {{FeignDelinquencyHelper}}|Not Started|
|PR 4|Extend {{FeignLoanHelper}} — charge management + remaining disbursal
methods|Not Started|
|PR 5|{{FeignGroupHelper}} + {{FeignCenterHelper}}|Not Started|
|PR 6|Migrate 5–10 simple test files end-to-end from RestAssured to Feign|Not
Started|
h3. Stretch PRs
||PR||Scope||
|PR S1|Batch migrate {{BaseLoanIntegrationTest}} importers to
{{FeignLoanTestBase}} (after PR 4)|
|PR S2|{{FeignFixedDepositHelper}} + {{FeignRecurringDepositHelper}}|
|PR S3|{{@Deprecated}} on RestAssured-specific methods in {{Utils.java}}|
h2. Progress Log
||Date||PR||Ticket||Notes||
|2026-06-04|[#5934|https://github.com/apache/fineract/pull/5934]|FINERACT-2626|Added
missing `rejectedOnDate` and `withdrawnOnDate` fields to
`PostSavingsAccountsAccountIdRequest` in Savings Swagger spec. Prerequisite for
#5907 the generated Feign client model was missing these fields, causing the
reject command to silently fail.|
|2026-06-07|[#5907|https://github.com/apache/fineract/pull/5907]|FINERACT-2620|Type-safe
Feign-based helpers and integration tests for Savings domain. 10 new files:
`FeignSavingsHelper`, `FeignSavingsProductHelper`,
`FeignSavingsTransactionHelper`, `FeignSavingsTestBase`,
`FeignSavingsLifecycleExtension`, `SavingsRequestBuilders`, `SavingsTestData`,
`FeignTestConstants`, and `FeignSavingsLifecycleTest` (8 tests). Helpers return
full response objects for reusability. Depends on #5934 for correct
`rejectedOnDate` support.|
> Migrate integration test helpers from RestAssured to Feign client
> -----------------------------------------------------------------
>
> Key: FINERACT-2609
> URL: https://issues.apache.org/jira/browse/FINERACT-2609
> Project: Apache Fineract
> Issue Type: Improvement
> Reporter: Krishna Mewara
> Priority: Trivial
> Labels: feign-migration, test-infrastructure
>
> h2. Overview
> Migrate Fineract's integration test infrastructure from raw RestAssured HTTP
> calls to the
> type-safe Feign client ({{{}fineract-client-feign{}}}). Following the
> Strangler Fig pattern —
> new Feign helpers coexist alongside legacy RestAssured helpers, tests
> migrated incrementally.
> No big bang rewrite.
> To close: FINERACT-2454
> h2. Why migrate?
> * RestAssured tests use raw JSON strings and untyped HTTP — brittle, no
> compile-time safety
> * Feign client is type-safe, auto-generated from the OpenAPI spec
> * Catch API contract drift at compile time, not at runtime in CI
> h2. Current State
> ||Metric||Count||
> |Total helper files in {{common/}}|123|
> |Helpers with RestAssured only (unmigrated)|53|
> |Helpers with both RestAssured + Retrofit (mixed)|18|
> |Helpers already using Retrofit ({{{}Calls.ok{}}})|35|
> |Helpers with NO RestAssured (pure utility)|51|
> |Total test files (excluding {{common/}} and Feign)|312|
> |Test files directly importing RestAssured|197 of 312 (63%)|
> |Existing Feign test files|10|
> |Existing Feign helpers|17|
> |Existing Feign modules|7|
> |Existing wrapper interfaces|4|
> h2. Existing Feign Infrastructure
> These are already merged and in {{{}upstream/develop{}}}. Listed here so the
> scope of remaining
> work is clear and we don't accidentally duplicate what already exists.
> h3. Base Classes
> ||Class||Role||Replaces||
> |{{FeignIntegrationTest}}|Root base for all Feign tests|{{IntegrationTest}}
> (Retrofit-based)|
> |{{FeignLoanTestBase}}|Wires all loan helpers, ready for loan test
> migration|{{BaseLoanIntegrationTest}} (decommission target)|
> h3. Helpers (under {{{}client/feign/helpers/{}}})
> ||Helper||Replaces||Coverage||
> |{{FeignLoanHelper}}|{{LoanTransactionHelper}} (3,250 lines)|~16% — core
> lifecycle only|
> |{{FeignTransactionHelper}}|Extracted from
> {{LoanTransactionHelper}}|repayment, chargeOff, reAge, inline COB|
> |{{FeignClientHelper}}|{{ClientHelper}} (1,207 lines)|~6 of ~50 methods|
> |{{FeignAccountHelper}}|{{AccountHelper}}|GL account lookup|
> |{{FeignBusinessDateHelper}}|{{BusinessDateHelper}}|Full functional
> replacement|
> |{{FeignJournalEntryHelper}}|{{JournalEntryHelper}}|Journal verification|
> |{{FeignOfficeHelper}}|{{OfficeHelper}}|Full functional replacement|
> |{{FeignSchedulerHelper}}|{{SchedulerJobHelper}}|Full functional replacement|
> |{{FeignGlobalConfigurationHelper}}|{{GlobalConfigurationHelper}}|Full
> functional replacement|
> |{{FeignWorkingCapitalLoanHelper}}|{{WorkingCapitalLoanHelper}}|WC loan ops|
> |{{{}FeignSearchHelper{}}}, {{{}FeignTaxComponentHelper{}}},
> {{FeignTaxGroupHelper}}|No legacy equivalent|New capability|
> |{{{}FeignNotificationHelper{}}}, {{{}FeignLoanOriginatorHelper{}}},
> {{FeignExternalEventHelper}}|No legacy equivalent|New capability|
> h2. Migration Tiers
> h3. Tier 1 — High-Impact
> ||Helper||Importers||RestAssured %||Feign existence||
> |{{Utils.java}}|309|100%|None — migrate last|
> |{{ClientHelper.java}}|216|~80%|{{FeignClientHelper}} (6 methods — extend in
> PR 2)|
> |{{BaseLoanIntegrationTest.java}}|121|~95%|{{FeignLoanTestBase}} — exists,
> decommission after charge coverage added|
> |{{LoanTransactionHelper.java}}|118|~55%|{{FeignLoanHelper}} +
> {{FeignTransactionHelper}} — extend in PR 4|
> |{{SavingsAccountHelper.java}}|37|~97%|None — greenfield target for PR 1|
> h3. Tier 2 — Medium-Impact
> ||Helper||Importers||Feign Beachhead||
> |{{BusinessDateHelper}}|61|{{FeignBusinessDateHelper}} (done)|
> |{{AccountHelper}}|60|{{FeignAccountHelper}} (done)|
> |{{ChargesHelper}}|55|None — PR 3|
> |{{DelinquencyBucketsHelper}}|36|None — PR 3|
> |{{SchedulerJobHelper}}|35|{{FeignSchedulerHelper}} (done)|
> |{{GlobalConfigurationHelper}}|26|{{FeignGlobalConfigurationHelper}} (done)|
> |{{JournalEntryHelper}}|24|{{FeignJournalEntryHelper}} (done)|
> |{{OfficeHelper}}|19|{{FeignOfficeHelper}} (done)|
> |{{GroupHelper}}|17|None — PR 5|
> h3. Tier 3 — Low-Impact / Niche
> {{BatchHelper}} (7 importers), {{{}FixedDepositAccountHelper{}}},
> {{{}RecurringDepositAccountHelper{}}},
> and domain-specific helpers with <10 importers each.
> h3. Foundation Layer
> {{Utils.java}} (309 importers) is the RestAssured gateway that nearly all
> helpers delegate to.
> {*}Deprecate last{*}, only after all helpers above are migrated. The
> RA-specific methods
> ({{{}initializeRESTAssured(){}}}, HTTP request wrappers) can be
> {{@Deprecated}} progressively —
> but {{uniqueRandomStringGenerator()}} and
> {{loginIntoServerAndGetBase64EncodedAuthenticationKey()}}
> are used widely even in non-RA code, so those stay until their callers are
> migrated.
> h2. Architecture Pattern
> New {{FeignXxxHelper}} classes live under {{{}client/feign/helpers/{}}}. They:
> * Take {{FineractFeignClient}} via constructor injection
> * Use {{ok(() -> ...)}} for API calls (via {{FeignCalls}} utility)
> * Tests extend {{FeignIntegrationTest}} base class
> * Share the same model classes ({{{}org.apache.fineract.client.models.*{}}})
> as Retrofit
> Legacy and Feign helpers coexist — both {{fineract-client}} (Retrofit) and
> {{fineract-client-feign}} are on the classpath simultaneously. The
> {{exclude}} in
> {{dependencies.gradle}} prevents duplicate model classes.
> h2. Key Design Decisions
> # *Separate Feign helper classes* — not dual methods in existing helpers
> # Both clients share model classes — no conflicts
> # Thin wrapper interfaces only for APIs with unreadable generated names
> (e.g. {{create6()}} → {{{}createClient(){}}})
> # Coexistence over replacement — 197 test files still use RestAssured,
> helper migration enables but doesn't force test-level migration
> h2. Decommission Plan
> These classes will be retired once their Feign replacement has full method
> coverage.
> Both old and new coexist until importer counts reach zero.
> ||Class||Importers||Depends On||
> |{{BaseLoanIntegrationTest}}|121|PR 4 (charge management added to
> {{{}FeignLoanHelper{}}})|
> |{{BaseSavingsIntegrationTest}}|—|PR 1 ({{{}FeignSavingsHelper{}}} +
> {{{}FeignSavingsTestBase{}}})|
> h2. PR Roadmap
> h3. Core PRs
> ||PR||Scope||Status||
> |PR 1|{{FeignSavingsHelper}} + {{FeignSavingsTestBase}} + first savings
> test|Done|
> |PR 2|Extend {{FeignClientHelper}} (update, delete, search, status
> transitions)|In Review|
> |PR 3|{{FeignChargesHelper}} + {{FeignDelinquencyHelper}}|Not Started|
> |PR 4|Extend {{FeignLoanHelper}} — charge management + remaining disbursal
> methods|Not Started|
> |PR 5|{{FeignGroupHelper}} + {{FeignCenterHelper}}|Not Started|
> |PR 6|Migrate 5–10 simple test files end-to-end from RestAssured to Feign|Not
> Started|
> h3. Stretch PRs
> ||PR||Scope||
> |PR S1|Batch migrate {{BaseLoanIntegrationTest}} importers to
> {{FeignLoanTestBase}} (after PR 4)|
> |PR S2|{{FeignFixedDepositHelper}} + {{FeignRecurringDepositHelper}}|
> |PR S3|{{@Deprecated}} on RestAssured-specific methods in {{Utils.java}}|
> h2. Progress Log
> ||Date||PR||Ticket||Notes||
> |2026-06-04|[#5934|https://github.com/apache/fineract/pull/5934]|FINERACT-2626|Added
> missing `rejectedOnDate` and `withdrawnOnDate` fields to
> `PostSavingsAccountsAccountIdRequest` in Savings Swagger spec. Prerequisite
> for #5907 the generated Feign client model was missing these fields, causing
> the reject command to silently fail.|
> |2026-06-07|[#5907|https://github.com/apache/fineract/pull/5907]|FINERACT-2620|Type-safe
> Feign-based helpers and integration tests for Savings domain. 10 new files:
> `FeignSavingsHelper`, `FeignSavingsProductHelper`,
> `FeignSavingsTransactionHelper`, `FeignSavingsTestBase`,
> `FeignSavingsLifecycleExtension`, `SavingsRequestBuilders`,
> `SavingsTestData`, `FeignTestConstants`, and `FeignSavingsLifecycleTest` (8
> tests). Helpers return full response objects for reusability. Depends on
> #5934 for correct `rejectedOnDate` support.|
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