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Work in progress PR-URL: #43525 Refs: #43344 Reviewed-By: Franziska Hinkelmann <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Moshe Atlow <[email protected]>
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Original file line number | Diff line number | Diff line change |
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'use strict'; | ||
|
||
const { | ||
ArrayPrototypeFilter, | ||
ArrayPrototypeFind, | ||
NumberParseInt, | ||
} = primordials; | ||
const { | ||
codes: { ERR_TAP_VALIDATION_ERROR }, | ||
} = require('internal/errors'); | ||
const { TokenKind } = require('internal/test_runner/tap_lexer'); | ||
|
||
// TODO(@manekinekko): add more validation rules based on the TAP14 spec. | ||
// See https://testanything.org/tap-version-14-specification.html | ||
class TAPValidationStrategy { | ||
validate(ast) { | ||
this.#validateVersion(ast); | ||
this.#validatePlan(ast); | ||
this.#validateTestPoints(ast); | ||
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return true; | ||
} | ||
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#validateVersion(ast) { | ||
const entry = ArrayPrototypeFind( | ||
ast, | ||
(node) => node.kind === TokenKind.TAP_VERSION | ||
); | ||
|
||
if (!entry) { | ||
throw new ERR_TAP_VALIDATION_ERROR('missing TAP version'); | ||
} | ||
|
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const { version } = entry.node; | ||
|
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// TAP14 specification is compatible with observed behavior of existing TAP13 consumers and producers | ||
if (version !== '14' && version !== '13') { | ||
throw new ERR_TAP_VALIDATION_ERROR('TAP version should be 13 or 14'); | ||
} | ||
} | ||
|
||
#validatePlan(ast) { | ||
const entry = ArrayPrototypeFind( | ||
ast, | ||
(node) => node.kind === TokenKind.TAP_PLAN | ||
); | ||
|
||
if (!entry) { | ||
throw new ERR_TAP_VALIDATION_ERROR('missing TAP plan'); | ||
} | ||
|
||
const plan = entry.node; | ||
|
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if (!plan.start) { | ||
throw new ERR_TAP_VALIDATION_ERROR('missing plan start'); | ||
} | ||
|
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if (!plan.end) { | ||
throw new ERR_TAP_VALIDATION_ERROR('missing plan end'); | ||
} | ||
|
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const planStart = NumberParseInt(plan.start, 10); | ||
const planEnd = NumberParseInt(plan.end, 10); | ||
|
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if (planEnd !== 0 && planStart > planEnd) { | ||
throw new ERR_TAP_VALIDATION_ERROR( | ||
`plan start ${planStart} is greater than plan end ${planEnd}` | ||
); | ||
} | ||
} | ||
|
||
// TODO(@manekinekko): since we are dealing with a flat AST, we need to | ||
// validate test points grouped by their "nesting" level. This is because a set of | ||
// Test points belongs to a TAP document. Each new subtest block creates a new TAP document. | ||
// https://testanything.org/tap-version-14-specification.html#subtests | ||
#validateTestPoints(ast) { | ||
const bailoutEntry = ArrayPrototypeFind( | ||
ast, | ||
(node) => node.kind === TokenKind.TAP_BAIL_OUT | ||
); | ||
const planEntry = ArrayPrototypeFind( | ||
ast, | ||
(node) => node.kind === TokenKind.TAP_PLAN | ||
); | ||
const testPointEntries = ArrayPrototypeFilter( | ||
ast, | ||
(node) => node.kind === TokenKind.TAP_TEST_POINT | ||
); | ||
|
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const plan = planEntry.node; | ||
|
||
const planStart = NumberParseInt(plan.start, 10); | ||
const planEnd = NumberParseInt(plan.end, 10); | ||
|
||
if (planEnd === 0 && testPointEntries.length > 0) { | ||
throw new ERR_TAP_VALIDATION_ERROR( | ||
`found ${testPointEntries.length} Test Point${ | ||
testPointEntries.length > 1 ? 's' : '' | ||
} but plan is ${planStart}..0` | ||
); | ||
} | ||
|
||
if (planEnd > 0) { | ||
if (testPointEntries.length === 0) { | ||
throw new ERR_TAP_VALIDATION_ERROR('missing Test Points'); | ||
} | ||
|
||
if (!bailoutEntry && testPointEntries.length !== planEnd) { | ||
throw new ERR_TAP_VALIDATION_ERROR( | ||
`test Points count ${testPointEntries.length} does not match plan count ${planEnd}` | ||
); | ||
} | ||
|
||
for (let i = 0; i < testPointEntries.length; i++) { | ||
const test = testPointEntries[i].node; | ||
const testId = NumberParseInt(test.id, 10); | ||
|
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if (testId < planStart || testId > planEnd) { | ||
throw new ERR_TAP_VALIDATION_ERROR( | ||
`test ${testId} is out of plan range ${planStart}..${planEnd}` | ||
); | ||
} | ||
} | ||
} | ||
} | ||
} | ||
|
||
// TAP14 and TAP13 are compatible with each other | ||
class TAP13ValidationStrategy extends TAPValidationStrategy {} | ||
class TAP14ValidationStrategy extends TAPValidationStrategy {} | ||
|
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class TapChecker { | ||
static TAP13 = '13'; | ||
static TAP14 = '14'; | ||
|
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constructor({ specs }) { | ||
switch (specs) { | ||
case TapChecker.TAP13: | ||
this.strategy = new TAP13ValidationStrategy(); | ||
break; | ||
default: | ||
this.strategy = new TAP14ValidationStrategy(); | ||
} | ||
} | ||
|
||
check(ast) { | ||
return this.strategy.validate(ast); | ||
} | ||
} | ||
|
||
module.exports = { | ||
TapChecker, | ||
TAP14ValidationStrategy, | ||
TAP13ValidationStrategy, | ||
}; |
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