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human readable schema parsing example #208

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43 changes: 43 additions & 0 deletions cedar-wasm-example/__tests__/main.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -667,4 +667,47 @@ describe('get valid request envs', () => {
expect(requestEnvs.actions).toStrictEqual(['NS::Action::"a"', 'NS::Action::"a2"']);
expect(requestEnvs.resources).toStrictEqual(['NS::R2']);
});
test('human readable schema parsing', () => {
const schemaStr: cedar.Schema = `
namespace NSxx {
entity E;
entity R1 in [R] = {"p1": String};
entity R;
entity R2 in [R] = {"p1": Long};
entity E1 in [E] = {"p1": String};
entity E2 in [E] = {"p1": Long};
action "as";
action "a" in [Action::"as"] appliesTo {
principal: [E1, E2],
resource: [R1, R2],
context: {"c1": Long}
};
action "a1" in [Action::"as"] appliesTo {
principal: [E1],
resource: [R1],
context: {"c1": Long}
};
action "a2" in [Action::"as"] appliesTo {
principal: [E2],
resource: [R2],
context: {"c1": Long}
};
}
`;
const checkParseResult = cedar.checkParseSchema(schemaStr);
expect(checkParseResult.type).toEqual('success');
const parseResult = cedar.schemaToJson(schemaStr);
if (parseResult.type !== 'success') {
throw new Error(`Expected success in parsing schema, got ${JSON.stringify(parseResult, null, 4)}`);
}
expect(Object.keys(parseResult.json).length).toBe(1);
expect(Object.keys(parseResult.json)[0]).toEqual('NSxx');
if (!('NSxx' in parseResult.json)) {
throw new Error(`Expected NSxx in ${JSON.stringify(parseResult.json, null, 4)}`);
}
const schemaFrag = parseResult.json['NSxx'] as cedar.NamespaceDefinition<string>;
expect(Object.keys(schemaFrag.entityTypes).length).toEqual(6);
expect(Object.keys(schemaFrag.actions).length).toEqual(4);

});
});
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