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authorFabio Berger <me@fabioberger.com>2018-03-22 02:38:45 +0800
committerFabio Berger <me@fabioberger.com>2018-03-22 02:38:45 +0800
commit6fef533fffba7e1ff559fb139be2dd29760db884 (patch)
tree400c2f827b46c00c843e36e6c6d880a3d4e1ad8d /packages
parentec219fc3959cb4721a559472a872598f8dbee719 (diff)
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-rw-r--r--packages/sol-cov/src/coverage_subprovider.ts14
1 files changed, 9 insertions, 5 deletions
diff --git a/packages/sol-cov/src/coverage_subprovider.ts b/packages/sol-cov/src/coverage_subprovider.ts
index 1d3f263b0..fc06720de 100644
--- a/packages/sol-cov/src/coverage_subprovider.ts
+++ b/packages/sol-cov/src/coverage_subprovider.ts
@@ -12,12 +12,13 @@ interface MaybeFakeTxData extends Web3.TxData {
isFakeTransaction?: boolean;
}
+// Because there is no notion of a call trace in the Ethereum rpc - we collect them in a rather non-obvious/hacky way.
+// On each call - we create a snapshot, execute the call as a transaction, get the trace, revert the snapshot.
+// That allows us to avoid influencing test behaviour.
+
/**
* This class implements the [web3-provider-engine](https://github.com/MetaMask/provider-engine) subprovider interface.
* It collects traces of all transactions that were sent and all calls that were executed through JSON RPC.
- * Because there is no notion of a call trace in the Ethereum rpc - we collect them in a rather non-obvious/hacky way.
- * On each call - we create a snapshot, execute the call as a transaction, get the trace, revert the snapshot.
- * That allows us to avoid influencing test behaviour.
*/
export class CoverageSubprovider extends Subprovider {
// Lock is used to not accept normal transactions while doing call/snapshot magic because they'll be reverted later otherwise
@@ -25,9 +26,9 @@ export class CoverageSubprovider extends Subprovider {
private _coverageManager: CoverageManager;
private _defaultFromAddress: string;
/**
- * Instantiates a CoverageSubprovider
+ * Instantiates a CoverageSubprovider instance
* @param artifactsPath Path to the smart contract artifacts
- * @param sourcePath Path to the smart contract source files
+ * @param sourcesPath Path to the smart contract source files
* @param networkId network id
* @param defaultFromAddress default from address to use when sending transactions
*/
@@ -42,6 +43,9 @@ export class CoverageSubprovider extends Subprovider {
this._getContractCodeAsync.bind(this),
);
}
+ /**
+ * Write the test coverage results to a file in Istanbul format.
+ */
public async writeCoverageAsync(): Promise<void> {
await this._coverageManager.writeCoverageAsync();
}