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Diffstat (limited to 'tests/libgit2/merge/analysis.c')
| -rw-r--r-- | tests/libgit2/merge/analysis.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/tests/libgit2/merge/analysis.c b/tests/libgit2/merge/analysis.c new file mode 100644 index 000000000..8c61303e3 --- /dev/null +++ b/tests/libgit2/merge/analysis.c @@ -0,0 +1,184 @@ +/* +NOTE: this is the implementation for both merge/trees/analysis.c and merge/workdir/analysis.c +You probably want to make changes to both files. +*/ + +#include "clar_libgit2.h" +#include "git2/repository.h" +#include "git2/merge.h" +#include "git2/annotated_commit.h" +#include "git2/sys/index.h" +#include "merge.h" +#include "merge_helpers.h" +#include "refs.h" +#include "posix.h" + +#define TEST_REPO_PATH "merge-resolve" + +#define UPTODATE_BRANCH "master" +#define PREVIOUS_BRANCH "previous" + +#define FASTFORWARD_BRANCH "ff_branch" +#define FASTFORWARD_ID "fd89f8cffb663ac89095a0f9764902e93ceaca6a" + +#define NOFASTFORWARD_BRANCH "branch" +#define NOFASTFORWARD_ID "7cb63eed597130ba4abb87b3e544b85021905520" + +static git_repository *sandbox; +static git_repository *repo; + +void test_merge_analysis__initialize_with_bare_repository(void) +{ + sandbox = cl_git_sandbox_init(TEST_REPO_PATH); + cl_git_pass(git_repository_open_ext(&repo, git_repository_path(sandbox), + GIT_REPOSITORY_OPEN_BARE, NULL)); +} + +void test_merge_analysis__initialize_with_nonbare_repository(void) +{ + sandbox = cl_git_sandbox_init(TEST_REPO_PATH); + cl_git_pass(git_repository_open_ext(&repo, git_repository_workdir(sandbox), + 0, NULL)); +} + +void test_merge_analysis__cleanup(void) +{ + git_repository_free(repo); + cl_git_sandbox_cleanup(); +} + +static void analysis_from_branch( + git_merge_analysis_t *merge_analysis, + git_merge_preference_t *merge_pref, + const char *our_branchname, + const char *their_branchname) +{ + git_str our_refname = GIT_STR_INIT; + git_str their_refname = GIT_STR_INIT; + git_reference *our_ref; + git_reference *their_ref; + git_annotated_commit *their_head; + + if (our_branchname != NULL) { + cl_git_pass(git_str_printf(&our_refname, "%s%s", GIT_REFS_HEADS_DIR, our_branchname)); + cl_git_pass(git_reference_lookup(&our_ref, repo, git_str_cstr(&our_refname))); + } else { + cl_git_pass(git_reference_lookup(&our_ref, repo, GIT_HEAD_FILE)); + } + + cl_git_pass(git_str_printf(&their_refname, "%s%s", GIT_REFS_HEADS_DIR, their_branchname)); + + cl_git_pass(git_reference_lookup(&their_ref, repo, git_str_cstr(&their_refname))); + cl_git_pass(git_annotated_commit_from_ref(&their_head, repo, their_ref)); + + cl_git_pass(git_merge_analysis_for_ref(merge_analysis, merge_pref, repo, our_ref, (const git_annotated_commit **)&their_head, 1)); + + git_str_dispose(&our_refname); + git_str_dispose(&their_refname); + git_annotated_commit_free(their_head); + git_reference_free(our_ref); + git_reference_free(their_ref); +} + +void test_merge_analysis__fastforward(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, FASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL|GIT_MERGE_ANALYSIS_FASTFORWARD, merge_analysis); +} + +void test_merge_analysis__no_fastforward(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis); +} + +void test_merge_analysis__uptodate(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, UPTODATE_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis); +} + +void test_merge_analysis__uptodate_merging_prev_commit(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, PREVIOUS_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis); +} + +void test_merge_analysis__unborn(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + git_str master = GIT_STR_INIT; + + cl_git_pass(git_str_joinpath(&master, git_repository_path(repo), "refs/heads/master")); + cl_must_pass(p_unlink(git_str_cstr(&master))); + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_FASTFORWARD|GIT_MERGE_ANALYSIS_UNBORN, merge_analysis); + + git_str_dispose(&master); +} + +void test_merge_analysis__fastforward_with_config_noff(void) +{ + git_config *config; + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + cl_git_pass(git_repository_config(&config, repo)); + cl_git_pass(git_config_set_string(config, "merge.ff", "false")); + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, FASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL|GIT_MERGE_ANALYSIS_FASTFORWARD, merge_analysis); + + cl_assert_equal_i(GIT_MERGE_PREFERENCE_NO_FASTFORWARD, (merge_pref & GIT_MERGE_PREFERENCE_NO_FASTFORWARD)); + + git_config_free(config); +} + +void test_merge_analysis__no_fastforward_with_config_ffonly(void) +{ + git_config *config; + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + cl_git_pass(git_repository_config(&config, repo)); + cl_git_pass(git_config_set_string(config, "merge.ff", "only")); + + analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis); + + cl_assert_equal_i(GIT_MERGE_PREFERENCE_FASTFORWARD_ONLY, (merge_pref & GIT_MERGE_PREFERENCE_FASTFORWARD_ONLY)); + + git_config_free(config); +} + +void test_merge_analysis__between_uptodate_refs(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, NOFASTFORWARD_BRANCH, PREVIOUS_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis); +} + +void test_merge_analysis__between_noff_refs(void) +{ + git_merge_analysis_t merge_analysis; + git_merge_preference_t merge_pref; + + analysis_from_branch(&merge_analysis, &merge_pref, "branch", FASTFORWARD_BRANCH); + cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis); +} |